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Niorthe, Philippe. "Cameroun, images d’une histoire sans images." Écrire l'histoire, no. 9 (June 10, 2012): 97–109. http://dx.doi.org/10.4000/elh.250.
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Nkoungou, Harlin L. E., Philippe N. Nouck, Dieudonné Bisso, Stéphane Assembe, and Eliézer M. Dicoum. "Geophysical Contribution for the Determination of Aquifer Properties in Memve Ele, South Cameroon." Journal of Water Resource and Protection 04, no. 10 (2012): 885–90. http://dx.doi.org/10.4236/jwarp.2012.410104.
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Lagarde, Raphaël, Jason Peyre, Elsa Amilhat, Manon Mercader, François Prellwitz, Gaël Simon, and Elisabeth Faliex. "In situ evaluation of European eel counts and length estimates accuracy from an acoustic camera (ARIS)." Knowledge & Management of Aquatic Ecosystems, no. 421 (2020): 44. http://dx.doi.org/10.1051/kmae/2020037.
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Despite the increasing use of acoustic cameras in fish ecology and fisheries studies, the quantification of biases associated with this method have received little attention. In this note, we used data collected from an ARIS acoustic camera, positioned in a channel linking a lagoon to the sea, to quantify differences in European eel (Anguilla anguilla) counts and size estimates made by two experienced operators. Count estimates made from 58 videos were highly consistent between the two operators (R2 = 0.99), although statistically different. Compared to the known sizes for the 82 eels, sizes estimated manually from video were underestimated. The resulting mean error percentages were significantly different between the two operators (−3.9% ± 8.5 (SD) and −6.6% ± 8.9). This error percentage was significantly influenced by the known size of the eels but not by the detection range. Our results highlighted the importance of taking into account the biases in counts and size estimates in fish ecology and fisheries studies based on acoustic cameras. These biases have to be quantified and, if possible, corrected using similar protocols as described in this study, when multiple operators analyse acoustic videos or when comparing the results from different studies.
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Kurbanov, R. K., and N. I. Zakharova. "Application of Vegetation Indexes to Assess the Condition of Crops." Agricultural Machinery and Technologies 14, no. 4 (December 18, 2020): 4–11. http://dx.doi.org/10.22314/2073-7599-2020-14-4-4-11.
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Monitoring of the state of agricultural crops and forecasting the crops development begin with aerial photography using a unmanned aerial vehicles and a multispectral camera. Vegetation indexes are selected empirically and calculated as a result of operations with values of diff erent spectral wavelengths. When assessing the state of crops, especially in breeding, it is necessary to determine the limiting factors for the use of vegetation indexes.(Research purpose) To analyze, evaluate and select vegetation indexes for conducting operational, high-quality and comprehensive monitoring of the state of crops and the formation of optimal management decisions.(Materials and Methods) The authors studied the results of scientifi c research in the fi eld of remote sensing technology using unmanned aerial vehicles and multispectral cameras, as well as the experience of using vegetation indexes to assess the condition of crops in the precision farming system. The limiting factors for the vegetation indexes research were determined: a limited number of monochrome cameras in popular multispectral cameras; key indicators for monitoring crops required by agronomists. After processing aerial photographs from an unmanned aerial vehicle, a high-precision orthophotomap, a digital fi eld model, and maps of vegetation indexes were created.(Results and discussion) More than 150 vegetation indexes were found. Not all of them were created through observation and experimentation. The authors considered broadband vegetation indexes to assess the status of crops in the fi elds. They analyzed the vegetation indexes of soybean and winter wheat crops in the main phases of vegetation.(Conclusions) The authors found that each vegetative index had its own specifi c scope, limiting factors and was used both separately and in combination with other indexes. When calculating the vegetation indexes for practical use, it was recommended to be guided by the technical characteristics of multispectral cameras and took into account the index use eff ectiveness at various vegetation stages.
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NGAH, Marguerite Y., Isabel Del ARCO, and Oscar FLORES. "Diagnóstico de la competencia digital de los futuros docentes como catalizadores del aprendizaje en el marco de la enseñanza de ELE en la Escuela Normal Superior de Yaundé, Camerún." Espacios 42, no. 15 (July 15, 2021): 83–100. http://dx.doi.org/10.48082/espacios-a21v42n13p07.
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Esta investigación es un estudio no experimental, descriptivo con un diseño mixto cuantitativo-cualitativo. Pretende diagnosticar el nivel de competencia digital de los futuros docentes ELE de formación inicial en la Escuela Normal Superior de Yaundé, Camerún. Como catalizadores de aprendizaje, los estudiantes tienen un nivel intermedio de competencia digital. Tienen dificultades sobre la pedagogía del uso de las Tecnologías de la Información y la Comunicación (TIC) en la educación. Abogan por la innovación de las metodologías de enseñanza-aprendizaje, la infraestructura y la formación continua.
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Djomeni, Gabriel Delmon. "The role of sensitisation in the success of community-geared language revitalisation programme: an experience from BASAL programme in Cameroon." Entrepalavras 7, no. 1 (September 23, 2017): 504. http://dx.doi.org/10.22168/2237-6321.7.7.1.504-518.
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Este trabalho tem como objetivo demonstrar a importância da sensibilização no sucesso de um programa de revitalização da linguagem baseado em uma abordagem orientada à comunidade. Partindo de algumas experiências com o BASAL (Basic Standardisation of all Unwritten African Languages ou Normatização Básica de todas as Línguas Africanas Não Escritas), o trabalho demonstra que, sem uma campanha estratégica que permita que o pesquisador entre em contato direto com membros e líderes da comunidade, a fim de negociar sua participação, o projeto irá fracassar. Quando um pesquisador, linguista e estrangeiro se estabelece numa comunidade na perspectiva de desenvolver a linguagem dessa comunidade, primeiro ele precisa estabelecer estratégias que o auxiliarão a nutrir um ambiente favorável se ele deseja ser bem sucedido. Esse sucesso exige a sensibilização do povo local. O principal objetivo da sensibilização é capturar a capacidade de resposta dos falantes nativos e convencê-los a contribuir e colaborar através de sua participação efetiva e esforço em conseguir sucesso no desenvolvimento de sua língua.
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BEITIA, Francisco, Erik VALENCIA, Bernat PERIS, Luis DE PEDRO, Josep D. ASIS, and Jose TORMOS. "Influence of natal host on parasitism by Spalangia cameroni (Hymenoptera: Pteromalidae)." European Journal of Entomology 113 (January 14, 2016): 99–103. http://dx.doi.org/10.14411/eje.2016.012.
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Mesquita NETO, José Rodrigues de, and Clerton Luiz Felix BARBOZA. "O EFEITO DA PALAVRA NA CONSTRUÇÃO DA INTERFONOLOGIA RÓTICA PB-ELE." Trama 15, no. 34 (February 27, 2019): 52–67. http://dx.doi.org/10.48075/rt.v15i34.20476.
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Este trabalho tem como objetivo geral analisar o efeito da palavra na construção da interfonologia rótica envolvendo o PB e o ELE de professores de espanhol no Brasil. Temos como pergunta-problema: como a palavra influencia na construção da interfonologia rótica entre o português e o espanhol? Nossa hipótese básica afirma que a interfonologia será construída de modo diferente segundo as palavras, os sujeitos e os experimentos. Para a realização da pesquisa temos como base teórica a língua como SAC (BECKNER et al., 2009) e os modelos fonológicos multirepresentacionais: FU (BYBBE, 2001) e ME (PIERREHUMBERT, 2001). A metodologia é de cunho quali-quantitativo e corte transversal, traz como corpus o áudio de 770 tokens em que os róticos aparecem em diferentes contextos fonotáticos e em dois experimentos. Desse modo, verificamos que uma palavra com alto Índice de Realização Não-Padrão no experimento 1, pode aparecer com um baixo Índice no experimento 2. Assim, comprovando o comportamento dinâmico da língua. REFERÊNCIASALVARENGA, E. Metodología de la investigación cuantitativa y cualitativa. 5 ed. Asunción: Diseños. 2014. BAICCHI, A. Construction learning as a complex adaptive system: psycholinguistic evidence from L2 learners of English.BARBOZA, C. L.. Efeitos da palatalização das oclusivas alveolares do português brasileiro no percurso de construção da fonologia do inglês língua estrangeira. 2013. 165f. Tese (Doutorado em Linguística) – Curso de Pós-Graduação em Linguística, Universidade Federal do Ceará, Fortaleza, 2013. BECKNER, et al. Language is a complex adaptive system: position paper. Language Learning, Michigan, v. 51, n. 1, p.1-26, Dec. 2009. BOERSMA, P., WEENIK, D. Praat: doing phonetics by computer. Version 5.1.43. Disponível em: http://www.praat.org. 2012.BRISOLARA, L.; SEMINO, M. ¿Cómo pronunciar el español? La enseñanza de la fonética y la fonología para brasileños: Ejercicios prácticos. Campinas: Pontes Editores. 2014.BYBEE, J. Phonology and language use. Cambridge: Cambridge University Press, 2001.______. Usage-based grammar and second language acquisition. In: ROBINSON, Peter; ELLIS, Nick C. Handbook of cognitive linguistics and second language acquisition. New York: Routledge, 2008. p. 216-236.______, Joan. Language, usage and cognition. Nova York: Cambridge. 2010.CARVALHO, K. C. Descrição fonético-acústica das vibrantes no português e no espanhol. 2004. 213f. Tese (Doutorado em Letras) – Curso de Pós-Graduação em Letras, Universidade Estadual Paulista, Assis, 2004.CRISTÓFARO-SILVA, T. Descartando fonemas: a representação mental na fonologia de uso. In: HORA, D. da; COLLISCHON, G. Teoria linguística: fonologia e outros temas. João Pessoa: Editora Universitária/UFPB, 2003. p. 200-231.______. Fonologia probabilística: estudos de caso do português brasileiro. Lingua(gem), Macapá, v. 2, n. 2, p.223-248, 2005.______. Fonética e fonologia do português: roteiro de estudos e guia de exercícios. São Paulo: Contexto. 2013.FERNÁNDEZ, J. Fonética para profesores de español: de la teoría a la práctica. Madrid: Arco/libros. 2007.GOMES, A. S.. A vibrante múltipla espanhola em aprendentes de Espanhol como língua estrangeira na Bahia e em São Paulo: uma abordagem sociolinguística. 2013. 125f. Dissertação (Mestrado em Estudo de Linguagens) – Curso de Pós-Graduação em Estudo de Linguagens, Universidade do Estado da Bahia, Salvador, 2013.LARSEN-FREEMAN, D.; CAMERON, L. Complex systems and applied linguistics. Oxford: Oxford Universuty Press, 2008.LEFFA, V. J. ReVEL na Escola: Ensinando a língua como um sistema adaptativo complexo. ReVEL, v. 14, n. 27, 2016 [www.revel.inf.br].NAVARRO, T. Manual de pronunciación española. Madrid: CSIC, 1991.PIERREHUMBERT, J. B. Exemplar dynamics: word frequency, lenition and contrast. In: BYBEE, Joan; HOPPER, P. (Comp.). Frequency and the emergence of linguistic structure. Amsterdam: John Benjamins, 2001. p. 137-158.SILVA, K. C. Ensino-Aprendizagem do espanhol: O uso interlinguístico das vibrantes. 2007. 161f. Dissertação (Mestrado em Linguística) – Curso de Pós-Graduação em Linguística, Universidade Federal do Ceará, Fortaleza, 2007. Recebido em 06-09-2018.Aceito em 22-02-2019.
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Heijke, Jan. "Thinking in the Scene of Disaster: Theology of Jean-Marc Ela From Cameroon." Exchange 29, no. 1 (2000): 61–88. http://dx.doi.org/10.1163/157254300x00058.
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Toumba Haman, Patrick. "Adquirir competencias comunicativas en ELE en un contexto plurilingüe: el caso de los alumnos de la Facultad de Artes, Letras y Ciencias Sociales (FALSH) de la Universidad de Maroua." Didácticas Específicas, no. 23 (December 17, 2020): 113–29. http://dx.doi.org/10.15366/didacticas2020.23.007.
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El presente artículo parte de la doble influencia recibida por los alumnos de ELE de la Facultad de Artes, Letras y Ciencias Sociales de la Universidad de Maroua, en Camerún. En efecto, se trata de una doble influencia institucional y sociológica, si tomamos en cuenta el que por una parte, cada uno de ellos ha recibido una larga formación en francés, por ser francófonos, y otra relativa en inglés, ambas siendo lenguas oficiales; por otra parte, estos alumnos entienden por lo menos un idioma local con el que han entrado en contacto desde su infancia, en el medio familiar y comunitario. ¿Cómo adquirir debidamente competencias comunicativas en castellano, idioma de su formación en los estudios superiores, en este espacio plurilingüe? Tal es la interrogación a la que intenta responder esta reflexión.
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DE PEDRO, Luis, Francisco BEITIA, Josep D. ASIS, and Jose TORMOS. "Pseudoparasitism by Spalangia cameroni (Hymenoptera: Pteromalidae) of pupae of Ceratitis capitata (Diptera: Tephritidae): Frequency and implications." European Journal of Entomology 115 (August 29, 2018): 450–54. http://dx.doi.org/10.14411/eje.2018.046.
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Signore, Alberto, Marco Chianelli, Elisabetta Ferretti, Anna Toscano, Keith E. Britton, Domenico Andreani, Edwin AM Gale, and Paolo Pozzilli. "New approach for in vivo detection of insulitis in type I diabetes: activated lymphocyte targeting with 123I-labelled interleukin 2." European Journal of Endocrinology 131, no. 4 (October 1994): 431–37. http://dx.doi.org/10.1530/eje.0.1310431.
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Signore A, Chianelli M, Ferretti E, Toscano A, Britton KE, Andreani D, Gale EAM, Pozzilli P. New approach for in vivo detection of insulitis in type I diabetes: activated lymphocyte targeting with 123I-labelled interleukin 2. Eur J Endocrinol 1994;131:431–7. ISSN 0804–4643 Insulitis is considered the histopathological hallmark of type I (insulin-dependent) diabetes. In the nonobese diabetic (NOD) mouse, diabetes has never been observed in the absence of insulitis. The in vivo detection of insulitis could be of relevance for early prediction of diabetes. As approximately 15% of islet-infiltrating lymphocytes express interleukin 2 receptors, we have labelled recombinant interleukin 2 with 123I and used this radiopharmaceutical to detect insulitis by gamma camera imaging. We studied 71 prediabetic NOD and 27 normal Balb/c mice. Labelled α-lactalbumin was used as the control protein. In the first set of experiments we studied the tissue distribution of radiolabelled interleukin 2 in isolated organs from animals sacrificed at different time points. Higher radioactivity was detected in the pancreas of NOD mice injected with labelled interleukin 2, as compared to NOD mice receiving labelled α-lactalbumin (p < 0.003 at 20 min; p< 0.001 at 40 min; p< 0.0001 at 60 min) or Balb/c mice injected with labelled interleukin 2 (p< 0.05 at 40 min; p< 0.001 at 60 min). In another set of experiments, gamma camera images have been acquired after injection of 123I-labelled interleukin 2. Radioactivity in the pancreatic region of prediabetic NOD and Balb/c mice showed similar kinetics to those observed by single organ counting, with higher accumulation in the pancreatic region of NOD mice (p < 0.04 after 22–45 min in NOD mice vs Balb/c mice). Finally, a positive correlation was found between the radioactivity in the pancreas and the extent of lymphocytic infiltration (p < 0.01 for pancreas radioactivity counted in vitro and p< 0.004 for pancreas radioactivity counted in vivo by gamma camera). This study demonstrates that 123I-labelled interleukin 2 administered iv accumulates specifically in the inflamed pancreas of diabetes-prone NOD mice, suggesting its potential application in human insulin-dependent diabetes mellitus. A Signore, Servizio Speciale di Medicina Nucleare, II Clinica Medica, Policlinico Umberto I, 00161 Roma, Italy
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MBENOUN MASSE, Paul Serge, Maurice TINDO, Champlain DJIETO-LORDON, Ruth MONY, and Martin KENNE. "Diversity of ant assemblages (Hymenoptera: Formicidae) in an urban environment in Cameroon during and after colonization of the area by Wasmannia auropunctata." European Journal of Entomology 116 (December 6, 2019): 461–67. http://dx.doi.org/10.14411/eje.2019.047.
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Paulino de Lanis Patrício, Cláudia, and TATIANA MARTA DE LIMA MARIANELLI. "PIBID/ESPANHOL: A LEITURA LITERÁRIA, A CRIATIVIDADE E O ENSINO DE ELEC." PERcursos Linguísticos 11, no. 27 (April 19, 2021): 249–66. http://dx.doi.org/10.47456/pl.v11i27.33544.
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O presente trabalho visa a apresentar e discutir os resultados de uma das práticas realizadas no ensino da leitura literária nas aulas de língua estrangeira na educação infantil desenvolvidas no Pibid Espanhol/2018. Para isso, decidiu-se expor de forma crítica uma das ações desenvolvidas com alunos do grupo 4 da escola CEI Criarte/Ufes por uma bolsista integrante do Pibid. Entendemos que as literaturas são fundamentais para a aprendizagem de línguas uma vez que refletem os modos de vida dos povos que as produzem, oferecem repertório para a compreensão do mundo que nos rodeia e também contribuem para a formação emotiva e cidadã do indivíduo. Desse modo, o nosso objetivo é promover a reflexão sobre o ensino lúdico e contextualizado das literaturas estrangeiras nas aulas de línguas na educação infantil. Destacamos, assim, o ensino mais significativo, a familiarização com a cultura do outro e da sua própria, bem como o desenvolvimento da criatividade e da imaginação como resultados observados. Como referencial teórico, utilizamos Cameron (2001), Almeida Filho (1993) e Schütz (2008) sobre o ensino de língua estrangeira a crianças; Ortega e Clímaco (2018) sobre o ensino de literaturas hispânicas; Colomer (2017) sobre a leitura literária e Borges e Mozzer (2008) sobre a criatividade.
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Silva, Lindomar Pinto da, Miguel Angel Rivera Castro, and Marcos Gilberto Dos-Santos. "Influência da Cultura Organizacional Mediada pelo Assédio Moral na Satisfação no Trabalho." Revista de Administração Contemporânea 22, no. 2 (April 2018): 249–70. http://dx.doi.org/10.1590/1982-7849rac2018170176.
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Resumo Este artigo investigou a relação entre cultura organizational, a partir de Cameron e Quinn (2006), assédio moral, na perspectiva de Leymann (1990, 1996), e satisfação, a partir da abordagem de Spector (2006), além do efeito mediador do assédio moral entre cultura e satisfação no trabalho, que é a lacuna que este trabalho procura preencher. Os dados foram coletados de trabalhadores de empresas das cidades de Salvador e Feira de Santana, na Bahia, entre os meses de agosto e dezembro de 2016. Obtiveram-se 912 questionários respondidos, analisados por meio de modelagem de equações estruturais. Os principais resultados indicam: (a) as culturas clã e adhocrática são preditoras do assédio moral negativamente, e a cultura mercado influencia-o positivamente, (b) o assédio moral como mediador entre cultura e satisfação possui efeitos significativos em todos os tipos culturais. A principal contribuição é a identificação do efeito do assédio moral na relação entre cultura organizacional e satisfação. Do ponto de vista gerencial, sugere-se que ações visando à satisfação devam considerar culturas que minimizem o assédio moral, além da atenção especial para este fenômeno, já que ele é capaz de minimizar os efeitos positivos da cultura sobre a satisfação.
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Kemche, Beryl, Brice Ulrich Saha Foudjo, and Elie Fokou. "Risk Factors of Hypertension among Diabetic Patients from Yaoundé Central Hospital and Etoug-Ebe Baptist Health Centre, Cameroon." Journal of Diabetes Research 2020 (June 16, 2020): 1–8. http://dx.doi.org/10.1155/2020/1853516.
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Uncontrolled blood pressure is a threat to diabetic patients’ life. The aim of this study was to identify risk factors of hypertension among diabetic patients at different stages from Yaoundé Central Hospital and Etoug-Ebe Baptist Health Center of Cameroon. A hospital-based cross-sectional study was conducted for 6 months, and 109 participants (types 1 and 2), aged 24–81 years, were enrolled using simple random sampling. A pretested structured questionnaire was used to collect sociodemographic data, habitual behaviors, clinical history blood pressure, and anthropometric measures. The prevalence of hypertension was 86.2%. Of the total, 13.8% participants were normotensive, 32.1% stage 1 hypertensive, and 54.1% stage 2 hypertensive. Being a male (p=0.046) and not smoking (p=0.036) were negatively associated with stage 1 hypertension whereas eating less than 3 times (p=0.046) and duration of diabetes greater than 9 years among women (p=0.039) were positively associated. Age above 40 years (p=0.002) was negatively associated with stage 2 hypertension. However, age above 40 years had a negative effect among Christian, less educated diabetics, people having diabetes for more than 9 years, and those on medical treatment (5.556≤specific OR≤10.278). Duration of diabetes (age-adjusted OR=1.155; p=0.003) and abnormal waist circumference (crude OR=4.074; p=0.024) were positively associated with stage 2. Abnormal waist-to-hip ratio (crude OR=3.773; p=0.028) and feeding rate greater than 2 times a day (WHR-adjusted OR=3.417; p=0.046) were positively associated with hypertension (stages 1 and 2). This study suggests that hypertension, present at its two stages, is a serious health issue among diabetic patients. Thus, appropriate intervention should be put in place to prevent and control hypertension by managing identified risk factors.
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Lagarde, Raphaël, Jason Peyre, Elsa Amilhat, François Bourrin, François Prellwitz, Gaël Simon, and Elisabeth Faliex. "Movements of Non-Migrant European Eels in an Urbanised Channel Linking a Mediterranean Lagoon to the Sea." Water 13, no. 6 (March 19, 2021): 839. http://dx.doi.org/10.3390/w13060839.
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Transitional ecosystems and, particularly, Mediterranean lagoons represent important habitats for the European eel (Anguilla anguilla) population. In these habitats many anthropogenic pressures can disturb eel movements and, in turn, negatively affect the population. Despite the importance of movements during the non-migrant growing stage in eels, this topic is understudied in Mediterranean lagoons. We thus aim to describe the diel and seasonal phenology and the effect of environmental drivers on non-migrant eel movements. Videos obtained from an Adaptive Resolution Imaging Sonar (ARIS) acoustic camera that continuously recorded from October 2018 to April 2020 were processed to evaluate the daily number of eels swimming toward the lagoon. More than 60% of the 7207 eels observed were females with a size >45 cm. Movements were year-round and predominantly during the night. A Boosted Regression Tree analysis demonstrated that, among the 10 environmental drivers studied, flow velocity, water temperature, discharge of the main tributary, wind velocity and atmospheric pressure, had the strongest influence on eel movement activity. Non-migrant eel movements should be better incorporated into lagoon management plans through actions such as limiting dredging activities from 18:00 to midnight, especially when the water flows toward the lagoon and when the water temperature is higher than 12 °C.
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Gallo, Antonio, Emmanuelle Chaigneau, Christel Jublanc, David Rosenbaum, Alessandro Mattina, Michel Paques, Florence Rossant, Xavier Girerd, Monique Leban, and Eric Bruckert. "IGF-1 is an independent predictor of retinal arterioles remodeling in subjects with uncontrolled acromegaly." European Journal of Endocrinology 182, no. 3 (March 2020): 375–83. http://dx.doi.org/10.1530/eje-19-0390.
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Context Cardiovascular disease is one of the main causes of morbidity in active acromegaly due to the increased prevalence of risk factors and arterial consequences of increased growth hormone levels. No in vivo study has evaluated the consequences of acromegaly on the retinal microvasculature. Objective The aim of this study was to identify in vivo the presence of morphological alterations of retinal arterioles in subjects with acromegaly. Patients and methods Single-center retrospective study of a cohort of 60 subjects with acromegaly, matched to 60 controls, who were referred for adaptive optics camera (AOC) from September 2014 to December 2016. Of the subjects with acromegaly, 19 had an active disease (AD) and 41 a controlled disease (CD) based on the IGF1 ratio (IGF1r). Retinal arteriolar remodeling was previously assessed using adaptive optics camera (AOC) in order to measure wall-to-lumen ratio (WLR), wall thickness (WT), internal diameter (ID) and wall cross sectional area (WCSA). Results WLR was significantly higher in AD subjects compared to CD subjects and controls (AD: 0.311 ± 0.06, CD: 0.279 ± 0.04, controls: 0.281 ± 0.04, P = 0.031). A significant positive correlation was observed between WLR and IGF-1r (R2 = 0.215, P < 0.001), even after adjustment for gender, age, systolic blood pressure (SBP) and the presence of dopamine agonist treatment (R2 = 0.406, P < 0.001). Retinal arteriolar anatomical indices were comparable between CD and controls. Conclusion Active acromegaly is associated with the presence of small retinal arteriolar remodeling. These results provide new perspectives to better stratify cardiovascular risk and consequently optimize treatment in acromegaly.
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Wen, Jiahao, Luis Guillen, Toru Abe, and Takuo Suganuma. "A Hierarchy-Based System for Recognizing Customer Activity in Retail Environments." Sensors 21, no. 14 (July 9, 2021): 4712. http://dx.doi.org/10.3390/s21144712.
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Customer activity (CA) in retail environments, which ranges over various shopper situations in store spaces, provides valuable information for store management and marketing planning. Several systems have been proposed for customer activity recognition (CAR) from in-store camera videos, and most of them use machine learning based end-to-end (E2E) CAR models, due to their remarkable performance. Usually, such E2E models are trained for target conditions (i.e., particular CA types in specific store spaces). Accordingly, the existing systems are not malleable to fit the changes in target conditions because they require entire retraining of their specialized E2E models and concurrent use of additional E2E models for new target conditions. This paper proposes a novel CAR system based on a hierarchy that organizes CA types into different levels of abstraction from lowest to highest. The proposed system consists of multiple CAR models, each of which performs CAR tasks that belong to a certain level of the hierarchy on the lower level’s output, and thus conducts CAR for videos through the models level by level. Since these models are separated, this system can deal efficiently with the changes in target conditions by modifying some models individually. Experimental results show the effectiveness of the proposed system in adapting to different target conditions.
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Carballo, Alexander, Shunya Seiya, Jacob Lambert, Hatem Darweesh, Patiphon Narksri, Luis Yoichi Morales, Naoki Akai, Eijiro Takeuchi, and Kazuya Takeda. "End-to-End Autonomous Mobile Robot Navigation with Model-Based System Support." Journal of Robotics and Mechatronics 30, no. 4 (August 20, 2018): 563–83. http://dx.doi.org/10.20965/jrm.2018.p0563.
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Autonomous mobile robot navigation in real unmodified outdoor areas frequented by people on their business, children playing, fast running bicycles, and even robots, remains a difficult challenge. For eleven years, the Tsukuba Challenge Real World Robot Challenge (RWRC) has brought together robots, researchers, companies, government, and ordinary citizens, under the same outdoor space to push forward the limits of autonomous mobile robots. For the Tsukuba Challenge 2017 participation, our team proposed to study the problem of sensors-to-actuators navigation (also called End-to-End), this is, having the robot to navigate towards the destination on a complex path, not only moving straight but also turning at intersections. End-to-End (E2E) navigation was implemented using a convolutional neural network (CNN): the robot learns how to go straight, turn left, and turn right, using camera images and trajectory data. E2E network training and evaluation was performed at Nagoya University, on similar outdoor conditions to that of Tsukuba Challenge 2017 (TC2017). Even thought E2E was trained on a different environment and conditions, the robot successfully followed the designated trajectory in the TC2017 course. Learning how to follow the road no matter the environment is of the key attributes of E2E based navigation. Our E2E does not perform obstacle avoidance and can be affected by illumination and seasonal changes. Therefore, to improve safety and add fault tolerance measures, we developed an E2E navigation approach with model-based system as backup. The model-based system is based on our open source autonomous vehicle software adapted to use on a mobile robot. In this work we describe our approach, implementation, experiences and main contributions.
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Pereira, Maria Cristina. "O revivalismo medieval pelas lentes do gênero: as fotografias De Julia Margaret Cameron para a obra the Idylls of the King e outros poemas de Alfred Tennyson." Domínios da Imagem 11, no. 20 (November 20, 2017): 119. http://dx.doi.org/10.5433/2237-9126.2017v11n20p119.
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Pioneira na arte da fotografia, Julia Margaret Cameron (1815-1879) produziu centenas de retratos e tableaux vivants. Estes últimos, embora inseridos no movimento Pré-Rafaelita então em voga na Inglaterra, davam mostra de uma visão da Idade Média um pouco distinta da que seus contemporâneos ajudaram a construir: menos heroica e mais íntima, com grande quantidade e protagonismo de mulheres. A fim de estudar suas ideias a esse respeito, analisaremos neste artigo um conjunto de imagens feitas por ela em 1874 para a obra The Idylls of the King, de Alfred Tennyson, com histórias da corte do rei Artur (além de cinco outros poemas também marcados pelo medievalismo), e faremos comparações com outro conjunto de imagens feitas para aquela mesma obra: as 36 gravuras que o ilustrador francês Gustave Doré publicou entre 1867 e 1868
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Fricke, Katharina, Björn Baschek, Alexander Jenal, Caspar Kneer, Immanuel Weber, Jens Bongartz, Jens Wyrwa, and Andreas Schöl. "Observing Water Surface Temperature from Two Different Airborne Platforms over Temporarily Flooded Wadden Areas at the Elbe Estuary—Methods for Corrections and Analysis." Remote Sensing 13, no. 8 (April 13, 2021): 1489. http://dx.doi.org/10.3390/rs13081489.
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Over the Hahnöfer Nebenelbe, a part of the Elbe estuary near Hamburg, Germany, a combined aerial survey with an unmanned aerial system (UAV) and a gyrocopter was conducted to acquire information about the water surface temperatures. The water temperature in the estuary is important for biological processes and living conditions of riverine organisms. This study aimed to develop a workflow that allows for comparing and analysing surface temperatures acquired by two different remote sensing systems. The thermal infrared (TIR) datasets were compared with in situ measurements gathered during the data acquisition, where both TIR datasets showed a varying bias. Potential error sources regarding the absolute and relative accuracy were investigated and modelled based on the available measurements, including emissivity, atmosphere, skin effect at the water surface, camera flat field correction and calibration. The largest effects on the observed TIR water temperature had the camera calibration and the modelled atmospheric effects. After the correction steps, both datasets could be combined to create a multitemporal representation of the temperature pattern and profiles over the survey area’s wadden flats.
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Pereira, Inalda Leite, Luciene Carvalho de Sousa, Levy Aniceto Santana, Renato Da Veiga Guadagnin, and Rinaldo De Souza Neves. "A posição da câmera fotográfica influencia no cálculo computadorizado da área de úlcera por pressão?" Enfermagem em Foco 2, no. 4 (November 16, 2011): 218–21. http://dx.doi.org/10.21675/2357-707x.2011.v2.n4.187.
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A análise de área de úlcera por pressão através do processamento computacional de imagens vem sendo utilizada como meio de se quantificar a evolução e as respostas de feridas aos tratamentos aplicados. Este artigo verifica como a posição da câmera fotográfica afeta o cálculo da área de uma úlcera por pressão. Foi fotografada uma úlcera por pressão de grau III, com o eixo da câmera posicionado perpendicularmente à úlcera por pressão, às distâncias de 20 e 30 centímetros. Esse mesmo procedimento foi repetido com o eixo da câmera posicionado a 20° e 30° de inclinação. As imagens foram recortadas preservando-se apenas a úlcera por pressão, a pele sadia e o objeto padrão. Posteriormente, foram processadas pelo software ‘Idrisi’ para cálculo de área por classificação computacional. Os resultados mostraram que a posição da câmera fotográfica interfere no cálculo da área e que a menor alteração ocorreu com o eixo da câmera posicionado perpendicularmente à úlcera por pressão.Descritores: Úlcera por Pressão, Fotografia, Processamento de Imagem, Medidas de Área.The position of the photographic camera influences the computerized calculation of the area of pressure ulcer?The analysis area of pressure ulcers through computer processing of images has been used as a mean of quantifying the evolution of wounds and responses to treatments. This article examines how the position of the photographic camera affects the calculation of the area of a pressure ulcer. It was photographed a pressure ulcer grade III, with the axis of the camera positioned perpendicular to the pressure ulcer, at distances of 20 and 30 cm. This same procedure was repeated with the axis of the camera positioned at 20 ° and 30 ° tilt. The images were cut preserving only the pressure ulcer, skin healthy and standard object. They were later processed by the software 'Idrisi' for area calculation by computer classification. The results showed that the position of the camera interferes in the calculation of the area and that the smallest change occurred with the axis of the camera positioned perpendicular to the pressure ulcer.Descriptors: Pressure Ulcers, Photography, Image Processing, Measures of AreaLa posición de la cámara influye en el cómputo informático de la zona de la úlcera por presión?El área de análisis de las úlceras por presión a través del procesamiento informático de imágenes se ha utilizado como un medio de cuantificar la evolución de las heridas y las respuestas a los tratamientos. Este artículo examina cómo la posición de la cámara afecta al cálculo de la superficie de una úlcera por presión. Se ha sido fotografiada una úlcera por presión grado III, con el eje de la cámara en posición perpendicular a la úlcera por presión, a distancias de 20 y 30 cm. Este mismo procedimiento se repitió con el eje de la cámara situada a 20 ° y 30 ° de inclinación. Las imágenes fueron cortadas conservar sólo la úlcera por presión, objeto de la piel sana y por defecto. Fueron procesados posteriormente por 'Idrisi' el software para el cálculo del área de clasificación de equipo. Los resultados mostraron que la posición de la cámara se inmiscuye en el cálculo de la zona y que el más pequeño cambio se produjo con el eje de la cámara en posición perpendicular a la úlcera por presión.Descriptores: Las úlceras por Presión, Fotografía, Procesamiento de Imágenes, Las Medidas del Área.
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Zou, Xiaodong, V. G. Zubkov, Gunnar Svensson, and Sven Hovmöller. "Structure determination of inorganic structures by HREM, Cip, and electron diffraction." Proceedings, annual meeting, Electron Microscopy Society of America 51 (August 1, 1993): 1204–5. http://dx.doi.org/10.1017/s0424820100151854.
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High resolution electron microscopy (HREM) combined with crystallographic image processing (CIP) is becoming a powerful technique for solving inorganic structures. With the image processing systems CRISP and ELD, running on a personal computer, this technique can be easily established in other laboratories. HREM images and electron diffraction patterns are digitized by a CCD camera and transferred into a PC. Phases and amplitudes are extracted from the Fourier transform of the HREM images. For thin crystals of metal oxides, the phases obtained by HREM and CIP inside the Scherzer resolution of the microscope are identical to the x-ray structure factor phases.Electron diffraction extends to much higher resolution than EM images (beyond 1 Å). The quality of the amplitudes is also higher than that from images, since ED data is not affected by the contract transfer function (CTF). Amplitudes extracted by ELD are close to x-ray diffraction amplitudes (within 30%).
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Amenta, Francesco, Livio Chiandussi, Maurizio Mancini, Alberto Ricci, Marina Schena, and Franco Veglio. "Pharmacological characterization and autoradiographic localization of dopamine receptors in the human adrenal cortex." European Journal of Endocrinology 131, no. 1 (July 1994): 91–96. http://dx.doi.org/10.1530/eje.0.1310091.
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Amenta F, Chiandussi L, Mancini M, Ricci A, Schena M, Veglio F. Pharmacological characterization and autoradiographic localization of dopamine receptors in the human adrenal cortex. Eur J Endocrinol 1994;131:91–6. ISSN 0804–4643 The pharmacological characteristics and the anatomical localization of dopamine D1-like and D2-like receptors were studied in sections of the human adrenal cortex using radioligand binding and autoradiographic techniques. [3H]SCH23390 was used as a ligand of D1-like receptors, whereas [3H]spiroperidol was used to label D2-like receptors. No specific [3H]SCH 23390 binding was detectable in sections of the human adrenal cortex. On the other hand, [3H]spiroperidol was bound to sections of the adrenal gland in a manner consistent with the labelling of dopamine D2-like receptor sites. The binding was time, temperature and concentration dependent, belonging in the range of concentrations of the radioligand used for a single class of high-affinity sites. The dissociation constant (Kd) averaged 2.7 nmol/l, whereas the maximum density of binding sites (Bmax) was 160 nmol/mg tissue. Experiments on the pharmacological specificity of [3H]spiroperidol binding to sections of the human adrenal cortex revealed that clozapine was the most powerful displacer of [3H]spiroperidol from sections of the human adrenal cortex. This suggests the presence in the human adrenal cortex of dopamine receptors of the D4 subtype. Light microscope autoradiography showed the highest density of specific [3H]spiroperidol binding sites in the zona glomerulosa and to a lesser extent in the zona reticularis. Only sparse [3H]spiroperidol binding sites were localized in the zona fasciculata. The possible functional consequences of this localization of dopamine D2-like receptor sites in the human adrenal cortex are discussed. Francesco Amenta, Istituto di Farmacologia, Via Scalzino 5, 62032 Camerino, Italy
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Williams, Alan, Deborah Osterhage, Franziska Althaus, Timothy Ryan, Mark Green, and John Pogonoski. "A Very Large Spawning Aggregation of a Deep-Sea Eel: Magnitude and Status." Journal of Marine Science and Engineering 9, no. 7 (June 30, 2021): 723. http://dx.doi.org/10.3390/jmse9070723.
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Multiple lines of evidence substantiate the existence of a very large aggregation of the basketwork eel, Diastobranchus capensis, on the small (3 km2) Patience Seamount off southeast Australia. The aggregation appears to be present year-round, but largest in the austral autumn when composed of spawning eels. Twenty eels caught in April 2015 (14 female, 6 male) were all in advanced stages of spawning condition. The eel’s abundance in the aggregation was very high as measured at seamount, local and regional scales. Hydroacoustic measurement of the spawning aggregation’s dimensions (~100 × 1000 m) and conservative counts of 100 s of eels along camera transects of ~1000–2000 m length indicate 10,000 s individual eels may have been present. The absence of other known spawning locations indicates the Patience Seamount is a regional-scale spatial anchor for spawning. The aggregation was protected in a marine park in 2007 following a decades-long impact from bottom trawling, indicating that the population can be expected to stabilise and recover. Monitoring the aggregation’s status, and validating seasonal spawning, provide important opportunities to examine conservation-led recovery in the deep sea as part of Australia’s new national strategy of Monitoring, Evaluation, Reporting and Improvement (MERI) for conservation values within marine parks.
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Hu, Haisheng, Zhifeng Huang, Wenting Luo, Xiangwei Zou, Hao Chen, Chenxi Liao, and Baoqing Sun. "Allergen diagnosis strategy: An experimental application of different methods in Guangzhou, Southern China." Science Progress 104, no. 1 (January 2021): 003685042199727. http://dx.doi.org/10.1177/0036850421997277.
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Different methods have different diagnostic value under diverse clinical conditions. This study was conducted to analyze the clinical practical value of different assays in different situations and to establish the concept of an allergen diagnosis strategy. This study used Phadia CAP, Advan Sure (AdvS), Euroline Camera (ELC), and Allergy Lateral Flow Assay (ALFA) kits to detect allergen specific immunoglobulin E (sIgE) in the sera from 30 allergic asthma patients, with Phadia CAP as the gold standard. This study found high sensitivity for Dermatophagoides pteronyssinus in AdvS (92.6%), ELC (88.9%), and ALFA (85.2%), but poor sensitivity for F. domesticus in all three assays. Furthermore, the AdvS, ELC, and ALFA assays could detect 20, 21, and 8 allergens in one panel, respectively. The combination of the results showed that 93.3% and 46.7% of patients tested positive for ≥5 and ≥10 types of allergens, respectively. All patients who were tested positive for the Marine fish mixture were positive for both Shrimp and Crab. Similarly, patients who were tested positive for Chicken also tested positive for Pork. Optimal scale analysis showed a strong connection between Peanut, Soybean, Wheat, Japanese Hop, Western ragweed, and Oak allergens (Cronbach’s α = 91.1%). The ELC assay was more suitable for use in pollen-rich areas, whereas the ALFA assay was easy to establish in areas with poor medical conditions. An allergen diagnosis strategy needs to be considered for use in clinical practice.
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Petrovsky, V. V. "Species of Draba cinerea aggregate (Brassicaceae) in the Northern Russia." Novitates Systematicae Plantarum Vascularium, no. 49 (2018): 71–86. http://dx.doi.org/10.31111/novitates/2018.49.71.
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The paper contains results of fi eld observations of plants and cameral research of herbarium specimens kept in the Herbarium of Komarov Botanical Institute (LE), included in the aggregate Draba cinerea Adams s. l. (D. cinerea, D. arctica J. Vahl, D. arctogena (E. Ekman) E. Ekman, D. oblongata R. Br. ex DC., D. parvisiliquosa Tolm., D. taimyrensis Tolm.). The problem of differentiation and identification of the taxa comprising the aggregate is discussed. The distribution of several species is clarified. Three new species are described from the Northern Russia: D. metaarctica Petrovsky, D. tolmatchevii Petrovsky and D. tundrostepposa Petrovsky. A key for determination of the species of the aggregate is given.
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Gunawan, Teddy Surya, Siti Amalina Mohammad Hanafiah, Mira Kartiwi, Nanang Ismail, Nor Farahidah Za'bah, and Anis Nurashikin Nordin. "Development of Photo Forensics Algorithm by Detecting Photoshop Manipulation using Error Level Analysis." Indonesian Journal of Electrical Engineering and Computer Science 7, no. 1 (July 1, 2017): 131. http://dx.doi.org/10.11591/ijeecs.v7.i1.pp131-137.
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<p>Nowadays, image manipulation is common due to the availability of image processing software, such as Adobe Photoshop or GIMP. The original image captured by digital camera or smartphone normally is saved in the JPEG format due to its popularity. JPEG algorithm works on image grids, compressed independently, having size of 8x8 pixels. For unmodified image, all 8x8 grids should have a similar error level. For resaving operation, each block should degrade at approximately the same rate due to the introduction of similar amount of errors across the entire image. For modified image, the altered blocks should have higher error potential compred to the remaining part of the image. The objective of this paper is to develop a photo forensics algorithm which can detect any photo manipulation. The error level analysis (ELA) was further enhanced using vertical and horizontal histograms of ELA image to pinpoint the exact location of modification. Results showed that our proposed algorithm could identify successfully the modified image as well as showing the exact location of modifications.</p>
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Uludağ, Ali Korkut, and Ferhat Devecioğlu. "Determining the level of usability the techniques of the Western music violin performer for the field of Turkish music violin teaching." Journal of Human Sciences 17, no. 2 (April 16, 2020): 432–57. http://dx.doi.org/10.14687/jhs.v17i2.5788.
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This work has been made in order to see how much the techniques are useful at West music playing violin on teaching Turkish music playing violin. Studying group was formed by the graduate students (n=8) who attends Kafkas University State Conservatory Traditional Turkish Music during Autumn- sprig term.
Experimental value which contains pre test and final test groups is used in the investigation. The investigation consists of control groups (n=4) and experience groups (n=4). During the experimental process which lasted 8 weeks, Although experience group students were applied a teaching programme which was prepared by the researcher, control group students were applied traditional teaching methods. At the first stage of experimental process equivalance test and then pre test – post test was applied to them. In order to designate musical and technical skills of working group students, performance evaluation scale was used with expert opinions. There was a kind of song during the equivalance test. There were peşrev, saz semâi and a kind of song during the pre test and post test precess. Student`s instrument performance was recorded by a camera and then marked by experts.
In order to analyze the datas, Mann – Whitney U Test was used to see whether there was a huge difference between pre test and final test between control and experiment groups. Datas were analyzed by using “SPSS 20” pocket programme.
Considering the outcomes as a whole, we can conclude that the teaching programme which was prepared by the researcher is effective and good outcomes arised.
Extended English summary is in the end of Full Text PDF (TURKISH) file.
Özet
Bu çalışma, Batı müziği keman çalım tekniklerinin Türk müziği keman öğretimi alanında kullanılmasının öğrenciler üzerinde ne derece etkili olduğunu belirlemek amacıyla gerçekleştirilmiştir. Araştırmanın çalışma grubu, 2015 – 2016 eğitim – öğretim yılı güz – bahar yarıyılında Kafkas Üniversitesi Devlet Konservatuvarı Geleneksel Türk Müziği Bölümünde öğrenim gören lisans öğrencileri (n=8) tarafından oluşturulmuştur.
Araştırmada ön test ve son test kontrol gruplu deneysel desen kullanılmıştır. Çalışma grubu öğrencileri yansız atama yoluyla kontrol grubu (n=4) ve deney grubu (n=4) olarak belirlenmiştir. Sekiz haftalık süreci kapsayan deneysel işlem süreci içerisinde deney grubu öğrencilerine araştırmacı tarafından hazırlanan bir öğretim yaklaşımı uygulanırken kontrol grubu ile dersler geleneksel yöntemlerle sürdürülmüştür. Deneysel işlem süreci öncesinde ilk olarak denklik testi ve devamında ise ön test – son test uygulamaları gerçekleştirilmiştir. Çalışma grubu öğrencilerinin müzikal ve teknik becerilerinin belirlenmesi amacıyla uzman görüşleri doğrultusunda hazırlanan performans değerlendirme ölçeği kullanılmıştır. Araştırmanın denklik testinde 1 adet şarkı türü, ön test ve son test aşamalarında ise peşrev, saz semâi ile şarkı türlerinden birer esere yer verilmiştir. Öğrencilerin çalgı performansları kamera ile kayda alınmış ve uzmanlar tarafından puanlandırılması sağlanmıştır.
Elde edilen verilerin analizi için, kontrol ve deney grubu öğrencilerinin ön test ve son test sonuçları arasında anlamlı bir fark olup olmadığını belirlemek amacıyla Mann – Whitney U Testi kullanılmıştır. Toplanan veriler, “SPSS 20” paket programları kullanılarak analiz edilmiştir.
Elde edilen sonuçlar bir bütün olarak ele alındığında araştırmacı tarafından hazırlanan deneysel işlem süreci üzerinden olumlu sonuçlara ulaşıldığı görülmektedir.
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Weiss, Howard M., Enrique Lozano-Álvarez, Patricia Briones-Fourzán, and Fernando Negrete-Soto. "Using Red Light with Fixed-site Video Cameras to Study the Behavior of the Spiny Lobster, Panulirus argus, and Associated Animals at Night and Inside Their Shelters." Marine Technology Society Journal 40, no. 3 (September 1, 2006): 86–95. http://dx.doi.org/10.4031/002533206787353213.
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Fixed-site video cameras can be a powerful tool for studying marine animals in the sea without disturbing their behavior. Artificial light is required to use these cameras at night or in dark places such as inside animal dens. Red light is theoretically the best choice because the eyes of many marine animals are relatively insensitive to light above 600 nm wavelength, red light penetrates water much further than infrared, and many video cameras are highly sensitive to red light. This study found that video and red light can be used at night in the sea to study the behavior of spiny lobster, Panulirus argus, without significant effects. The shelter occupancy rate of tethered lobsters was similar in continuous red light as in the dark and red light did not attract or repel free-living lobsters. Red light did attract a small additional number of fish which were already nearby the lobster shelters and did not appear to disturb the lobsters. Loss of P. argus from octopus predation was similar in red light as in the dark. Six species of predators (two triggerfishes, an octopus, two snappers, and a moray eel) were recorded on videotape killing lobsters at shelters in the sea. Predation usually occurred outside the shelters. Other species scavenged on the lobster remains after they were killed. A variety of animals frequently cohabited with lobsters inside shelters for a few minutes to several days. The interactions of these animals with the lobsters rarely involved any strong aggression or defensive behavior.
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Song, Sua, Hongrae Kim, and Young-Keun Chang. "Design and Implementation of 3U CubeSat Platform Architecture." International Journal of Aerospace Engineering 2018 (December 24, 2018): 1–17. http://dx.doi.org/10.1155/2018/2079219.
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This paper describes the main concept and development of a standard platform architecture of 3U Cube Satellite, whose design and performance were implemented and verified through the development of KAUSAT-5 3U CubeSat. The 3U standard platform is built in 1.5U size and developed as a modular concept to add and expand payloads and attitude control actuators to meet the user’s needs. In the case of the electrical power system, the solar panel, the battery, and the deployment mechanism are designed to be configured by the user. Mechanical system design maximizes the electrical capability to accommodate various payloads and to integrate and miniaturize EEE (Electrical, Electronic, and Electromechanical) parts and subsystem functions/performance into limited-size PCBs. The performance of KAUSAT-5 adopting standard platform was verified by mounting the VSCMG (Variable Speed Control Moment Gyro), which is one payload for technical demonstration, at the bottom of the platform and the infrared (IR) camera, which is the other payload for science mission, on the top. The 3U CubeSat equipped with the electronic optical camera is under development implementing the standard platform to reduce development cost and schedule by minimizing additional verification.
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Barwick, Tara, Iain Murray, Hakim Megadmi, William M. Drake, P. Nick Plowman, Scott A. Akker, Shern L. Chew, Ashley B. Grossman, and Norbert Avril. "Single photon emission computed tomography (SPECT)/computed tomography using Iodine-123 in patients with differentiated thyroid cancer: additional value over whole body planar imaging and SPECT." European Journal of Endocrinology 162, no. 6 (June 2010): 1131–39. http://dx.doi.org/10.1530/eje-09-1023.
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ObjectiveThe aim of the study was to assess the diagnostic performance of co-registered single photon emission computed tomography (SPECT)/computed tomography (CT) compared to Iodine-123 whole body gamma camera (WBGC) imaging and to SPECT alone in patients with differentiated thyroid cancer.MethodsWBGC and SPECT/CT (n=85) imaging of the neck and thorax was performed in 79 consecutive patients. Three experienced observers reviewed: i) WBGC images followed by ii) SPECT alone, and iii) co-registered SPECT/CT. Foci of increased radioiodine uptake were classified on a five-point scale. Biopsy, other imaging modalities, and clinical follow-up served as the reference standard.ResultsTwenty-two patients had local recurrence or metastatic thyroid cancer (11 were radioiodine negative), 9 had remnant thyroid tissue, and 54 had no evidence of disease. When classifying equivocal, probably, and definitely malignant findings as positive for malignancy, the sensitivity, specificity, positive predictive value, and negative predictive value were as follows: 41, 68, 31, and 77% for WBGC imaging; 45, 89, 59, and 82% for WBGC plus SPECT imaging; and 50, 100, 100, and 85% for WBGC plus SPECT/CT imaging respectively. The specificity was improved by the addition of SPECT (P=0.0002) and SPECT/CT (P<0.0001) than to WBGC imaging. SPECT/CT was also more specific than WBGC plus SPECT imaging (P=0.016). In a study-based analysis, SPECT/CT provided additional diagnostic information in 42% (36/85) of cases. SPECT/CT provided further characterization in 70% (63/90) of foci and improved the diagnostic confidence of all three observers.ConclusionThe addition of SPECT/CT significantly improved the diagnostic information over Iodine-123 WBGC imaging and WBGC plus SPECT imaging alone.
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Fetterplace, Lachlan C., John W. Turnbull, Nathan A. Knott, and Natasha A. Hardy. "The Devil in the Deep: Expanding the Known Habitat of a Rare and Protected Fish." European Journal of Ecology 4, no. 1 (June 1, 2018): 22–29. http://dx.doi.org/10.2478/eje-2018-0003.
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Abstract The accepted geographic range of a species is related to both opportunity and effort in sampling that range. In deepwater ecosystems where human access is limited, the geographic ranges of many marine species are likely to be underestimated. A chance recording from baited cameras deployed on deep uncharted reef revealed an eastern blue devil fish (Paraplesiops bleekeri) at a depth of 51 m and more than 2 km further down the continental shelf slope than previously observed. This is the first verifiable observation of eastern blue devil fish, a protected and endemic southeastern Australian temperate reef species, at depths greater than the typically accepted depth range of 30 m. Knowledge on the ecology of this and many other reef species is indeed often limited to shallow coastal reefs, which are easily accessible by divers and researchers. Suitable habitat for many reef species appears to exist on deeper offshore reefs but is likely being overlooked due to the logistics of conducting research on these often uncharted habitats. On the basis of our observation at a depth of 51 m and observations by recreational fishers catching eastern blue devil fishes on deep offshore reefs, we suggest that the current depth range of eastern blue devil fish is being underestimated at 30 m. We also observed several common reef species well outside of their accepted depth range. Notably, immaculate damsel (Mecaenichthys immaculatus), red morwong (Cheilodactylus fuscus), mado (Atypichthys strigatus), white-ear (Parma microlepis) and silver sweep (Scorpis lineolata) were abundant and recorded in a number of locations at up to a depth of at least 55 m. This underestimation of depth potentially represents a large area of deep offshore reefs and micro-habitats out on the continental shelf that could contribute to the resilience of eastern blue devil fish to extinction risk and contribute to the resilience of many reef species to climate change
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VARGO, LAUREN J., BRIAN M. ANDERSON, HUW J. HORGAN, ANDREW N. MACKINTOSH, ANDREW M. LORREY, and MERIJN THORNTON. "Using structure from motion photogrammetry to measure past glacier changes from historic aerial photographs." Journal of Glaciology 63, no. 242 (December 2017): 1105–18. http://dx.doi.org/10.1017/jog.2017.79.
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ABSTRACTQuantifying historic changes in glacier size and mass balance is important for understanding how the cryosphere responds to climate variability and change. Airborne photogrammetry enables glacier extent and equilibrium line altitudes (ELAs) to be monitored for more glaciers at lower cost than traditional mass-balance programs and other remote-sensing techniques. Since 1977, end-of-summer-snowlines, which are a proxy for annual ELAs, have been recorded for 50 glaciers in the Southern Alps of New Zealand using oblique aerial photographs. In this study, we use structure from motion photogrammetry to estimate the camera parameters, including position, for historic photographs, which we then use to measure glacier change. We apply this method to a small maritime New Zealand glacier (Brewster Glacier, 1670–2400 m a.s.l.) to derive annual ELA and length records between 1981 and 2017, and quantify the uncertainties associated with the method. Our length reconstruction shows largely continuous terminus retreat of 365 ± 12 m for Brewster Glacier since 1981. The ELA record, which compares well with glaciological mass-balance data measured between 2005 and 2015, shows pronounced interannual variability. Mean ELAs range from 1707 ± 6 to 2303 ± 5 m a.s.l., with the highest ELAs occurring in the last decade.
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Rudko, G. I., M. Tkachenko, and S. Lytvyniuk. "LEGAL FEATURES OF GEOLOGICAL INFORMATION ARRANGEMENT DURING THE ECONOMIC-GEOLOGICAL EVALUATION OF MINERAL RESERVES AND RESOURCES IN UKRAINE." Мінеральні ресурси України, no. 3 (September 28, 2018): 26–31. http://dx.doi.org/10.31996/mru.2018.3.26-31.
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Geologic prospecting works (GPW) as a process of geological subsoil study with the use of a complex of special works and investigations lead to information acquisition on different geological objects, that is a powerful basis for creation of favorable investment development due to the systematized disclosure of information as regards prospective territories for the projects for forecast and search, estimating, prospecting and extracting works. The purpose of work is an analysis of the features of geological information arrangement during the economic-geological evaluation of mineral reserves and resources in Ukraine; a characteristic (classification) of types of geological information acquired at different stages of geological and feasibility studies (EGE-3, EGE-2, EGE-1); determination of geological information reliability and quality according to a stage of works. As a result, all geological works lead to acquisition of information on different geological objects that can be subdivided into two main categories – primary and secondary one. The methods for determination of the cost of geological information by the results obtained at any stage of works on the geological subsoil study have been presented. The cost of geological information is determined in view of the expenses given in the reports on geological subsoil study incurred during the performance of cameral works on a subsoil plot within which the cost of geological information is determined. When regulating the procedure for arrangement (granting in use and sale) of geological subsoil information, it is necessary to take into account legal features of information acquired for public and private funds. Despite the existence of legal norms in the field of subsoil use relating to geological subsoil study, today a stable mechanism of its legal support is under formation in the meanwhile. The legislation regulating the relations in the field of geological subsoil study requires improvement and agreement with other branches of legislation, stable and clear legal definitions and guarantees.
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Steiner, T. W., M. L. W. Thewalt, M. Maciaszek, and R. P. Bult. "A low-temperature, whole-wafer-imaging system for defect and impurity mapping." Canadian Journal of Physics 69, no. 3-4 (March 1, 1991): 333–38. http://dx.doi.org/10.1139/p91-056.
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We have developed a whole-wafer, low-temperature imaging system for making absorption and photoluminescence maps of wafers up to 100 mm (4 in) in diameter. The cryostat requires no cryogens and can maintain a temperature of 15 K in the sample chamber indefinitely. He gas provides the thermal contact with the samples, allowing rapid (15 min) interchange of samples. The transmitted or emitted light from the wafer is imaged on a CCD (charge-coupled device) camera rather than using a raster scanning mechanism. The resultant parallel collection advantage allows images to be acquired in much less time. The system is ideally suited for the routine characterization of large numbers of wafers. This apparatus has been used to map the neutral EL2 concentration and near gap photoluminescence efficiency for a number of semi-insulating GaAs wafers.
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Sgarbossa, Luís Fernando, and Geziela Iensue. "Sistemas de impeachment no Brasil em nível nacional e subnacional." Revista do Instituto de Direito Constitucional e Cidadania 5, no. 2 (December 30, 2020): e013. http://dx.doi.org/10.48159/revistadoidcc.v5n2.sgarbossa.iensue.
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O impeachment é um importante instituto de origem anglo-americana presente no sistema constitucional brasileiro, mas pouco estudado em nível estadual. Recentemente diversos pedidos de impedimento de governadores acabaram por trazer à baila questões relativas às diferenças entre os modelos adotados em nível federal e em nível estadual e distrital. O presente estudo, após a contextualização histórica do tema, identifica os modelos existentes e, valendo-se de uma perspectiva comparativa, examina as semelhanças e diferenças entre o mecanismo de responsabilidade político-jurídica em nível nacional e subnacional no Brasil. Examinando questões como a assimetria entre o legislativo federal bicameral e os legislativos subnacionais unicamerais, o artigo evidencia que a despeito do modelo cameral de impeachment ser adotado pela Constituição de 1988, o Direito Constitucional Estadual acaba por encampar o modelo de tribunal especial, bem como as peculiares razões de tal situação, notadamente a aplicação da Lei n. 1.079/50 como lei nacional pelo Supremo Tribunal Federal e consequente imposição do modelo por ela estabelecido como modelo subsidiário como paradigma de observância obrigatória pelos constituintes estaduais.
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Parejo-Jiménez, Nekane. "The communication through glance: the difficulties apprehending reality." Comunicar 15, no. 29 (October 1, 2007): 109–14. http://dx.doi.org/10.3916/c29-2007-15.
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Both the glance as a starting point and the film «Rear window», by A. Hichcock, as a guide will take us to the study of the roles played by different tools in the act of seeing. Binoculars, windows, photographic cameras and their accessories will all reduce the difficulties found while trying to apprehend the reality in a game where the voyeur is the protagonist. The paper also remarks the fact that the communicative process won´t be fulfilled unless the duality of looking at/being looked at appears. La mirada como punto de partida y la película «La ventana indiscreta» de A. Hitchcock como eje vertebrador, darán paso al estudio de los roles que desempeñan diversos instrumentos que influyen en el acto de ver. Prismáticos, ventanas, cámaras fotográficas y sus accesorios limitarán las dificultades que se encuentran al intentar aprehender la realidad en un juego en el que el «voyeur» es la figura protagonista, sin olvidar que la comunicación no se considerará plena mientras el binomio ver y ser visto no se materialice.
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Zaluzec, N. J., and M. G. Strauss. "EELS parallel detection using 2-dimensional CCD array." Proceedings, annual meeting, Electron Microscopy Society of America 46 (1988): 662–63. http://dx.doi.org/10.1017/s0424820100105370.
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Conventional parallel detectors for Electron Energy Loss Spectroscopy (EELS) have been mainly based upon systems using linear photodiode arrays in a conjugate image plane of an electron spectrometer. We have developed a unique two dimensional charge coupled device (CCD) camera system which can be used as a detector for EEL spectroscopy and imaging, utilizing high sensitivity, high resolution CCD's, which are typically used in medial or astronomic imaging.The present detector system is based upon a Tektronics TK512M 512 x 512 pixel CCD array, (figure 1) which is optically coupled to a YAG:Ce single crystal scintillator. This CCD imaging system views an electron energy loss spectrum which is magnified by a quadrupole doublet lens attached to a Gatan 607 electron spectrometer on a Philips EM420 TEM as is illustrated in figure 2. The CCD controller, detector head electronics and electron optics were developed at Argonne specifically for high speed data acquisition and allow the recording of complete spectra in as short a time as 10 μsec or approximately 103 times faster than the typical 1024 pixel photodiode arrays’ thus allowing the potential for time resolved spectroscopy.
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Yabusaki, Katsumi, Reiko Arita, and Takanori Yamauchi. "Automated classification of dry eye type analyzing interference fringe color images of tear film using machine learning techniques." Modeling and Artificial Intelligence in Ophthalmology 2, no. 3 (June 5, 2019): 28–35. http://dx.doi.org/10.35119/maio.v2i3.90.
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The unstable balance in secretions of lipids and aqueous fluid to tear film is a significant cause of dry eye disease (DED). Arita et al. demonstrated a simple but very effective method that classifies dry eye types to the aqueous deficient dry eye (ADDE) and the evaporative dry eye (EDE) by focusing on the dry eye type-unique appearances of interference fringe colors and patterns of tear films. We thought this simple classification is very helpful for diagnoses and treatments. However, diagnostic bias by unskilled observers remains an issue to be solved.
The artificial intelligence (AI)-based support for diagnosis is one of the hottest topics in the field of ophthalmology research. We expected that the AI-based model would reduce bias in DED-type diagnoses. Many studies have been reported targeting retinal diseases like age-related macular degeneration and/or diabetic retinopathy. Most of the works established AI-based predicting models using images taken by fundus cameras and/or optical coherence tomography (OCT) devices to capture disease-related structural disorders. In contrast, the interference fringes dynamically change the colors and patterns spatiotemporally. To the best of our knowledge, there is no AI-based model studied for distinguishing ADDE and EDE using interference fringe images. However, an AI-based study classifying the condition of the tear lipid layer by analyzing the textures of interference fringes compared to the device-unique grades has been reported. This suggested the possibility of using the unstructured characteristics, such as colors and/or complexities of interference fringes, as the numerical image features when building AI-based prediction models. In this study, we first examined several types of image characteristics extracted from the colors and patterns of fringes to obtain effective image features for the DED-type classification. We then evaluated whether the AI-based models would have sufficient abilities for this type of prediction by comparing their diagnoses with those made by an ophthalmologist skilled in this classification (the founder of this type classification).
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Dong, Bella. "Reviewer Acknowledgements for Journal of Food Research, Vol. 8 No. 5." Journal of Food Research 8, no. 5 (September 30, 2019): 99. http://dx.doi.org/10.5539/jfr.v8n5p99.
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Journal of Food Research wishes to acknowledge the following individuals for their assistance with peer review of manuscripts for this issue. Their help and contributions in maintaining the quality of the journal are greatly appreciated.
Journal of Food Research is recruiting reviewers for the journal. If you are interested in becoming a reviewer, we welcome you to join us. Please find the application form and details at http://www.ccsenet.org/journal/index.php/jfr/editor/recruitment and e-mail the completed application form to jfr@ccsenet.org.
Reviewers for Volume 8, Number 5
Bruno Alejandro Irigaray, Facultad de Química, Uruguay
Cemil Kurekci, Mustafa Kemal University, Turkey
Diego A. Moreno-Fernández, CEBAS-CSIC, Spain
Elke Rauscher-Gabernig, Austrian Agency for Health and Food Safety, Austria
Estela de Rezende Queiroz, Universidade Federal de Lavras, Brazil
Gisele Fátima Morais Nunes, Federal Center of Technological Education of Minas Gerais, Brazil
Ilkin Yucel Sengun, Ege University, Turkey
Jose Maria Zubeldia, Gestión Sanitaria de Canarias - Gobierno de Canarias, Spain
Lenka Kourimska, Czech University of Life Sciences Prague, Czech Republic
Marco Iammarino, Istituto Zooprofilattico Sperimentale della Puglia e della Basilicata, Italy
Meena Somanchi, United States Department of Agriculture, United States
Muhammed Yüceer, Canakkale Onsekiz Mart University, Turkey
Qinlu Lin, Central South University of Forestry and Technology, China
Raza Hussain, School of Dietetics and Human Nutrition, McGill University, Canada
Sonchieu Jean, University of Bamenda, Cameroon
Wesam Al-Jeddawi, Clemson University, USA
Won Choi, University of Hawaii at Manoa, United States
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Lee, Joan. "Reviewer Acknowledgements for Sustainable Agriculture Research, Vol. 8, No. 1." Sustainable Agriculture Research 8, no. 1 (January 31, 2019): 116. http://dx.doi.org/10.5539/sar.v8n1p116.
Full textAbstract:
Sustainable Agriculture Research wishes to acknowledge the following individuals for their assistance with peer review of manuscripts for this issue. Their help and contributions in maintaining the quality of the journal are greatly appreciated.
Sustainable Agriculture Research is recruiting reviewers for the journal. If you are interested in becoming a reviewer, we welcome you to join us. Please find the application form and details at http://www.ccsenet.org/journal/index.php/sar/editor/recruitment and e-mail the completed application form to sar@ccsenet.org.
Reviewers for Volume 8, Number 1
Anchal Dass, Indian Agricultural Research Institute, India
Bed Mani Dahal, Kathmandu University, Nepal
Beye Amadou Moustapha, Rice Research Center, Cote d'Ivoire
Cristina Bianca Pocol, Univ. of Agricultural Sciences and Veterinary Medicine of Cluj Napoca, Romania
Dietrich Darr, Hochschule Rhein-Waal, Germany
Entessar Mohammad Al JBawi, General Commission for Scientific Agricultural Research, Syria
Giuseppina Migliore, University of Palermo, Italy
Inder Pal Singh, Guru Angad Dev Veterinary and Animal Science University, India
Junjie Xu, University of Texas Southwestern Medical Center, United States
Kassim Adekunle Akanni, Olabisi Onabanjo University, Nigeria
Kaveh Ostad Ali Askari, Islamic Azad University, Iran
Manuel Teles Oliveira, University Tras os Montes Alto Douro (UTAD), Portugal
Mirela Kopjar, University of Osijek, Croatia
Murtazain Raza, Subsidiary of Habib Bank AG Zurich, Pakistan
Nasim Ahmad Yasin, University of the Punjab Lahore Pakistan, Pakistan
Nehemie Tchinda Donfagsiteli, Institute of Medical Research and Medicinal Plants Studies, Cameroon
Nicusor-Flavius Sima, University of Agricultural Studies and Veterinary Medicine Cluj-Napoca, Romania
Sait Engindeniz, Ege University Faculty of Agriculture, Turkey
Tenaw Workayehu, Hawassa Research Center, Southern Agricultural Research Institute, Ethiopia
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Cunha, Eduardo Vieira da. "O atelier transparente, ou uma metáfora para a pintura. | The transparente atelier, or a metaphor for painting." PORTO ARTE: Revista de Artes Visuais 22, no. 36 (December 30, 2017): 169. http://dx.doi.org/10.22456/2179-8001.79594.
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A luz que atravessa o vidro já aparece representada na descrição do processo pictórico desde os carnets de Leonardo da Vinci. A janela de um atelier adquire esta função da objetiva da câmara clara: a de organizar o espaço, tanto aquele do interior do local de trabalho como o espaço interior da própria tela. A luz entra no atelier/laboratório para formar imagens sobre uma superfície sensível- a superfície da tela da pintura. O atelier transforma-se em um laboratório de revelação do mundo. É ali que as imagens se formam e tomam corpo. As sucessivas etapas continuam com a preparação do fundo branco da pintura, que torna translúcidas as diferentes cores. A tela passa a funcionar também como uma caixa de luz, iluminada do lado oposto, de onde as cores aparecem, por transparência. O artista é apenas um controlador da alquimia do processo: ele desencadeia uma reação catalisando a formação das imagens. Lembrando Proust, o processo de construção em pintura seria um desses “êxtases do tempo”, um efeito disjuntivo, mais topológico do que temporal, da nossa troca de experiência com o meio: a presença desconhecida da luz que atravessa o vidro para se fixar, modelando uma forma, em um fluxo contínuo de energias e tensões.
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The light that passes through the glass is already represented in the description of the pictorial process since the carnets from Leonardo da Vinci. The window of an atelier acquires this function of the lens of the camera lucida: of organizing the space, both that of the interior of the workplace and that of the interior of the space of the canvas itself. The light enters the atelier/laboratory to form images on a sensitive surface - the surface of the canvas. The atelier becomes a development laboratory of the world. It is there that the images are formed and take shape. The successive stages continue with the preparation of the white background of the painting, which makes the different colors translucent. The screen starts to work as a light box, illuminated on its opposite side, from where the colors appear, by the transparency. The artist is just a controller of the alchemy of the process: he triggers a reaction by catalyzing the formation of images. Remembering Proust, the process of construction in painting would be one of these "time ecstasies," a disjunctive effect, more topological than temporal, of our exchange of experiences with the medium: the unknown presence of the light that passes through the glass to fix itself, shaping a figure, on a continuous flow of energies and tensions.
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Donovan, Michael, Faisal M. Khan, Richard Scott, Jack Zeineh, Giovanni Koll, Nataliya Gladoun, Elizabeth Charytonowicz, and Gerardo Fernandez. "Advanced tissue-based image analysis techniques integrated with biomarker-morphometric multiplex immunofluorescence to provide prostate cancer risk stratification models post-surgery." Journal of Clinical Oncology 34, no. 2_suppl (January 10, 2016): 47. http://dx.doi.org/10.1200/jco.2016.34.2_suppl.47.
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47 Background: We have previously validated the importance of utilizing the intact tissue section and quantitative biomarker strategies for developing prognostic prostate cancer outcome models. We sought to further expand upon these constructs by applying next-gen advanced image analysis tools using multiplex immunofluorescence (IF) integrated with clinical variables on an independent cohort. Methods: Utilizing a 686 patient radical prostatectomy tissue microarray population with median 8 years follow-up from Roswell Park Cancer Institute, NY, we selected an initial subset of 98 patients to construct a training model; applying multiplex immunofluorescence with CK-18 (epithelial cells), CK 5/6 (basal cells), androgen receptor (AR), Ki67, AMACR and DAPI (nuclear marker). Images were captured with an Nikon i90 microscope equipped with a CRI multiplex camera, a Bayesian probabilistic approach was used to derive features that reflect tumor grade and co-locate - quantify IF biomarker expression within various glandular sub-types. Multivariate models were constructed to predict disease progression (i.e., clinical failure (CF) = PSA rise post-adjuvant therapy, or metastasis, or death) with c-index (CI) to estimate performance. Results: A 98 patient with the following clinical features: mean PSA 6.6 ng/mL, prostatectomy Gleason score, PGS 6, 34%; >/=PGS 7, 55%; LN+ 2%, +SM 19%; + ECE 49% ; + SVI 3%. CFevent rate 13%. Two models (i.e., +/- LN status) employing 47 features with 7 clinical variables (e.g., PSA and Gleason) had comparable outcomes, CI 0.84. The number one feature selected in both models was an imaging feature reflecting prostate cancer gland architecture and differentiation. Combined AR levels with gland phenotype and CK-18 composition characterized a relevant phenotype dependent upon feature inclusion in the model generated. Conclusions: We have established the importance of utilizing the intact tissue section when developing accurate prognostic prostate cancer models. Additional studies with expanded training and test patient cohorts are underway to confirm and validate these initial findings.
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Lee, Joan. "Reviewer Acknowledgements for Sustainable Agriculture Research, Vol. 9, No. 2." Sustainable Agriculture Research 9, no. 2 (April 26, 2020): 129. http://dx.doi.org/10.5539/sar.v9n2p129.
Full textAbstract:
Sustainable Agriculture Research wishes to acknowledge the following individuals for their assistance with peer review of manuscripts for this issue. Their help and contributions in maintaining the quality of the journal are greatly appreciated.
Sustainable Agriculture Research is recruiting reviewers for the journal. If you are interested in becoming a reviewer, we welcome you to join us. Please contact us for the application form at: sar@ccsenet.org
Reviewers for Volume 9, Number 2
Adel Khashaveh, Islamic Azad University, Iran
Darwin Pangaribuan, Lampung University, Indonesia
Dietrich Darr, Hochschule Rhein-Waal, Germany
Entessar Mohammad Al JBawi, General Commission for Scientific Agricultural Research, Syria
Francesco Sunseri, Università Mediterranea di Reggio Calabria, Italy
Gema Parra, Universidad de Jaén, Spain
Giuseppina Migliore, University of Palermo, Italy
Gunnar Bengtsson, Sweden
Inder Pal Singh, Guru Angad Dev Veterinary and Animal Science University (GADVASU), India
Isaac Danso, Council for Scientific and Industrial Research-Oil Palm Research Institute, Ghana
Kassim Adekunle Akanni, Olabisi Onabanjo University, Nigeria
Katarzyna Panasiewicz, Poznan University of Life Sciences, Poland
Manuel Teles Oliveira, University Tras os Montes Alto Douro (UTAD), Portugal
Maren Langhof, Julius Kühn-Institut, Germany
Murtazain Raza, Subsidiary of Habib Bank AG Zurich, Pakistan
Nehemie T. Donfagsiteli, Institute of Medical Research and Medicinal Plants Studies, Cameroon
Nicusor-Flavius Sima, University of Agricultural Studies and Veterinary Medicine Cluj-Napoca, Romania
Sait Engindeniz, Ege University Faculty of Agriculture, Turkey
Stefano Marino, University of Molise, Italy
Subhash Chand, Central Agricultural Research Institute CARI Port Blair, India
Suheb Mohammed, University of Virginia, United States
Tenaw Workayehu, Hawassa Research Center, Southern Agricultural Research Institute, Ethiopia
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Jiang, Jiale, Hengbiao Zheng, Xusheng Ji, Tao Cheng, Yongchao Tian, Yan Zhu, Weixing Cao, Reza Ehsani, and Xia Yao. "Analysis and Evaluation of the Image Preprocessing Process of a Six-Band Multispectral Camera Mounted on an Unmanned Aerial Vehicle for Winter Wheat Monitoring." Sensors 19, no. 3 (February 12, 2019): 747. http://dx.doi.org/10.3390/s19030747.
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Unmanned aerial vehicle (UAV)-based multispectral sensors have great potential in crop monitoring due to their high flexibility, high spatial resolution, and ease of operation. Image preprocessing, however, is a prerequisite to make full use of the acquired high-quality data in practical applications. Most crop monitoring studies have focused on specific procedures or applications, and there has been little attempt to examine the accuracy of the data preprocessing steps. This study focuses on the preprocessing process of a six-band multispectral camera (Mini-MCA6) mounted on UAVs. First, we have quantified and analyzed the components of sensor error, including noise, vignetting, and lens distortion. Next, different methods of spectral band registration and radiometric correction were evaluated. Then, an appropriate image preprocessing process was proposed. Finally, the applicability and potential for crop monitoring were assessed in terms of accuracy by measurement of the leaf area index (LAI) and the leaf biomass inversion under variable growth conditions during five critical growth stages of winter wheat. The results show that noise and vignetting could be effectively removed via use of correction coefficients in image processing. The widely used Brown model was suitable for lens distortion correction of a Mini-MCA6. Band registration based on ground control points (GCPs) (Root-Mean-Square Error, RMSE = 1.02 pixels) was superior to that using PixelWrench2 (PW2) software (RMSE = 1.82 pixels). For radiometric correction, the accuracy of the empirical linear correction (ELC) method was significantly higher than that of light intensity sensor correction (ILSC) method. The multispectral images that were processed using optimal correction methods were demonstrated to be reliable for estimating LAI and leaf biomass. This study provides a feasible and semi-automatic image preprocessing process for a UAV-based Mini-MCA6, which also serves as a reference for other array-type multispectral sensors. Moreover, the high-quality data generated in this study may stimulate increased interest in remote high-efficiency monitoring of crop growth status.
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de Andrade, Marcelo Ferrarezi, José Roberto Cury Saad, Edson Alves de Campos, Alessandra Nara de Souza Rastelli, Mateus Rodrigues Tonetto, Sizenando de Toledo Porto Neto, Osmir Batista de Oliveira, and Andrea Abbi Rached Dantas. "Fluorescence Level of Composites assessed by Computer Processing of Digital Images: ScanWhite©." World Journal of Dentistry 3, no. 2 (2012): 141–44. http://dx.doi.org/10.5005/jp-journals-10015-1145.
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ABSTRACT The human dentition is naturally translucent, opalescent and fluorescent. Differences between the level of fluorescence of tooth structure and restorative materials may result in distinct metameric properties and consequently perceptible disparate esthetic behavior, which impairs the esthetic result of the restorations, frustrating both patients and staff. In this study, we evaluated the level of fluorescence of different composites (Durafill in tones A2 (Du), Charisma in tones A2 (Ch), Venus in tone A2 (Ve), Opallis enamel and dentin in tones A2 (OPD and OPE), Point 4 in tones A2 (P4), Z100 in tones A2 (Z1), Z250 in tones A2 (Z2), Te-Econom in tones A2 (TE), Tetric Ceram in tones A2 (TC), Tetric Ceram N in tones A1, A2, A4 (TN1, TN2, TN4), Four seasons enamel and dentin in tones A2 (and 4SD 4SE), Empress Direct enamel and dentin in tones A2 (EDE and EDD) and Brilliant in tones A2 (Br)). Cylindrical specimens were prepared, coded and photographed in a standardized manner with a Canon EOS digital camera (400 ISO, 2.8 aperture and 1/ 30 speed), in a dark environment under the action of UV light (25 W). The images were analyzed with the software ScanWhite©-DMC/Darwin systems. The results showed statistical differences between the groups (p < 0.05), and between these same groups and the average fluorescence of the dentition of young (18 to 25 years) and adults (40 to 45 years) taken as control. It can be concluded that: Composites Z100, Z250 (3M ESPE) and Point 4 (Kerr) do not match with the fluorescence of human dentition and the fluorescence of the materials was found to be affected by their own tone. How to cite this article Tonetto MR, de Oliveira Junior OB, de Campos EA, Saad JRC, Dantas AAR, de Souza Rastelli AN, de Toledo Porto Neto S, de Andrade MF. Fluorescence Level of Composites assessed by Computer Processing of Digital Images: ScanWhite©. World J Dent 2012;3(2):141-144.
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Jiménez Gómez, Cristina Alejandra. "Ciudad-Política-Teatro: Flaubert y el teatro espontáneo." CALLE14: revista de investigación en el campo del arte 10, no. 17 (March 4, 2016): 128. http://dx.doi.org/10.14483/udistrital.jour.c14.2015.3.a10.
Full textAbstract:
RESUMENA partir de la investigación-creación “Flaubert 20 rutas” (el registro en video de diferentes intervenciones en el transporte público de Bogotá) se pone de manifiesto cómo los buses se pueden convertir en un escenario móvil para el teatro espontáneo. Este contexto da lugar a las reflexiones de una actriz, adaptadas de textos de Gustave Flaubert que tratan de la urbanidad y convivencia social en lo que él llama la buena sociedad. Se establece la identificación de un espacio escénico habitado cotidianamente por pasajeros que al mismo tiempo son personajes reconocibles del entorno urbano. Desde la óptica de una videograbadora se observa que es el propio público el que decide entrar en el juego, asumiendo y reconociendo el rol de espect-actor (Boal) de circunstancias cotidianas. Se comprueba desde una mirada irónica cómo aparecen, en estas situaciones teatrales, concomitancias antropológicas, culturales y políticas.PALABRAS CLAVESFlaubert, buses, ciudad, teatralidad, tránsito, Bogotá. KAUGSAI- PUREI- KAWACHEI: FLAUBERT SUGLLAPIKai tapuchikuna kallarreuramanda- rurakararei “ Flaubert iska chunga purei” Kaipe kawachimi imasami purrekuna autokuna Bogotape. Kai autokuna Purrenkuname chasama ¡ kasama tukuikuna Kawangapa. Kai kilkape Pudenche kawanga imasam kawache sug iacha warine. Kai kilkai rigchami Ñalla kai iacha runa Gustave Flaubert parlakuskasina tukuikunamanda Imasam llukanche kausanga pai sutichimi kaita suma kuasai tukuikunawa. Kaipi pudenchi kawanga imasam kai alpape purrenkuna tukuipunchakuna Rigsiska runakuna chinigta kausaskakuna. Chimandata pudenchi Kawanga imasam wakachikuna iachaikuna ¡nispa kikinkuna pugchai Kallarrengapa allillingapa ¡ Kawangapa ima ruraimi tia tukui puncha Chasa pudenche iachanga imasam kawarre jirú mainemandapas.IMA SUTI RIMAI SIMIFlaubert, atun agtu, atun pueblo, suma kauachidur, purredugta kauag, Bogotape.CITY-POLITICS-THEATER: FLAUBERT AND SPONTANEOUS THEATER. ABSTRACTThe project of research-creation “Flaubert 20 routes” (the video register of different interventions in public transportation in Bogota) revealed how public buses can be converted into a mobile stage for spontaneous theater. This context gives rise to the reflections of an actress, adapted from texts by Gustave Flaubert dealing with civility and social coexistence in what the he calls the good society. It is a stage inhabited daily by passengers who at the same time are recognizable characters of the urban environment. From the perspective of a video camera we observe that it is the public itself who decides to enter the game, assuming and recognizing the role of spect-actor (Boal) of everyday circumstances. From an ironic standpoint, several anthropological, cultural and political concomitances reveal themselves in these theatrical situations. t Archivo fotográfico: Cristina ALejandra JiménezKEYWORDSFlaubert, buses, city, theatricality, transit, Bogota. POLITIQUE-VILLE-THÉÂTRE: FLAUBERT ET LE THÉÂTRE SPONTANÉ RÉSUMÉLa recherche-création « Flaubert 20 routes » (enregistrement vidéo de différentes interventions dans le transport public à Bogota) a révélé comment les autobus peuvent être convertis en une scène mobile pour le théâtre spontané. Ce contexte donne lieu à des réflexions d’une actrice d’après des textes de Gustave Flaubert traitant la civilité et la coexistence sociale dans ce qu’il appelle la bonne société. On identifie un espace scénique habité quotidiennement par des passagers qu’au même temps sont des caractères reconnaissables dans l’environnement urbain. Du point de vue d’un magnétoscope, on observe que c’est le public lui-même qui décide d’entrer dans le jeu, en assumant et en reconnaissant le rôle de spect-acteur (Boal) des circonstances de tous les jours. On constate avec de l’ironie comment il y apparaît dans ces situations théâtrales des concomitances anthropologiques, culturelles et politiques.MOTS CLÉSFlaubert, autobus, ville, théâtralité, transit, Bogotá.CIDADE - POLÍTICA - TEATRO: FLAUBERT E O TEATRO ESPONTÂNEO RESUMOA partir da Investigação-Criação “Flaubert 20 rutas” (Flaubert 20 rotas) (o registro em vídeo de diferentes intervenções no transporte público de Bogotá) se põem de manifesto como os ônibus podem se converter em um Cesário móvil para o teatro espontâneo. Este contexto dá lugar às reflexões de uma atriz, adotadas de textos de Gustave Flaubert que tratam da urbanidade e convivência social no que ele chama a boa sociedade. Estabelece a identificação de um espaço cênico habitado cotidianamente pelos passageiros que ao mesmo tempo são personagens reconhecíveis do entorno urbano. Desde a óptica de um vídeo-gravador se observa que é o próprio público o que decide entrar no jogo, assumindo e reconhecendo o papel de espectador (Boal) de circunstâncias cotidianas. Comprova desde um olhar irônico como aparecem, nestas situações teatrais, concomitâncias antropológicas, culturais e políticas.PALAVRAS CHAVESFlaubert, ônibus, cidade, teatralidade, trânsito, Bogotá.
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Val, Christian, Pascal Couderc, and Nadia Boulay. "Stacking of Known Good Rebuilt Wafers without TSV - Industrial Applications." Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2011, DPC (January 1, 2011): 001126–74. http://dx.doi.org/10.4071/2011dpc-tp36.
Full textAbstract:
The 3-D interconnection started at 3D PLUS in 1996 and led to the stacking of nearly all types of analogical and logical components, sensors, MEMS, etc for the Hi-Rel field (Space, Defence, Medical, Industrial). This technology is extremely robust (−130 °C +175 °C, 40000g), and is fully qualified by all worldwide most important Space Agencies, for Defence applications and Harsh environment. A technological break started in 2002 ; it consisted in another 20 to 30 reduction factor of the weight and volume of these 3-D modules. The Z pitch is 100 μm and the X Y size is given by the size of the larger die plus 100 μm of polymer around it. This is a stacked of Known Good Rebuilt Wafer of full wafer level technique. The dice are received in wafers and following operations are carried out :- Pick, flip and place of the good dice on a “sticking skin”- Moulding of the whole of this « pseudo wafer » in order to obtain what we call a « Known Good Rebuilt Wafer (KGRW) ». These two first steps are already developed by Freescale (RCP technique up to 300mm), then Infineon and Nanium (ex Infineon/Quimoda) and now about ten companies are developing this 2-D approach:- Stacking and gluing of KGRW 1, 2, 3..., n, by means of an adhesive film- Dicing of these stacked rebuilt wafers by techniques identical to the dicing of standard wafers- Metallization of the dicing streets with nickel + gold by electroless chemical plating identical to the UBM plating technique- Direct laser patterning by laser with our edge connection technique up to 100 μm pitch. Below this pitch, the Thru Polymer Via (TPV) are made through the stacked wafers. The equivalent pitch will be 20 μm. it can be noticed that the shielding can be made on the dicing street.- Electrical test at the stacked wafer level- Singulation This approach allows to use standard dice without any modification. It is multi sources and the stacking of the good rebuilt wafers allows to obtain an excellent yield. A development agreement has been signed with a semiconductors manufacturer. Smart card application- A development is in progress with the most worldwide important manufacturer of smart cards in order to integrate 5 levels of dice within a cavity of 550 μm inside the 800 μm SIM card. Medical applications will be presented:- Micro modulator with 5 ASICs within a 3 mm diameter tube,- Prototypes for the major US pacemaker manufacturer (Medtronic) and one European pacemaker manufacturer (Sorin/Ela Medical). A full pacemaker module of 0,5 cm3 (16 times smaller than the standard pacemaker: 8 cm3) will be shown- Micro camera for Hard X-Ray for Philips Medical (DE). Industrial applications- Abandoned sensors for Airbus and industrial areas. This « full wafer level » approach will allow to build System in Package (SiP) or “Abandoned Sensors” at very low costs, since the process uses mainly the steps of wafers building; the “panelization” allows to be in parallel processing from A to Z steps. Moreover, the use of Known Good Rebuilt Wafer like the RCP allows to stack Good wafer at the reverse what is impossible with the wafer to wafer approach.