Готові списки джерел за темами / Stereophotograph

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Добірка наукової літератури з теми "Stereophotograph"

Автор: Grafiati
Опубліковано: 10 червня 2022

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Статті в журналах з теми "Stereophotograph"

1

Jodeh, Diana S., and S. Alex Rottgers. "High-Fidelity Anthropometric Facial Measurements Can Be Obtained From a Single Stereophotograph From the Vectra H1 3-Dimensional Camera." Cleft Palate-Craniofacial Journal 56, no. 9 (April 7, 2019): 1164–70. http://dx.doi.org/10.1177/1055665619839577.

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Background: Anthropometry is a well-established means of measuring facial morphology. Although reliable, direct anthropometry can be time-consuming and not conducive to a busy clinical practice. The Vectra H1 handheld stereophotogrammetric system requires 3 stereophotographs taken from different perspectives to generate a three-dimensional (3D) surface. The time needed to take the 3 stereophotographs can increase the possibility of involuntary movements, precluding its use to assess young patients. To overcome this limitation, we evaluated if accurate linear facial measurements can be obtained from a single stereophotograph and compare these to the measurements taken by direct anthropometry. Methods: Twenty pediatric patients, aged 0 to 10 years, who were undergoing minor surgical procedures at Johns Hopkins All Children’s Hospital were recruited. Fourteen linear facial distances were obtained from each participant using direct anthropometry under general anesthesia. These same distances were measured using Mirror 3D analysis. Intraclass correlation was used to determine intrarater reliability on duplicate 3D images. Results: Correlation coefficients between 3D imaging in frontal view and direct anthropometric measurements were excellent for 13 measures taken, ranging from 0.8 (subnasale to columella and subnasale to stomion superius) to 0.98 (nasion to subnasale and subnasale to labiale superius). Correlation coefficients between submental view and direct anthropometric measurements were excellent for 13 measures as well, ranging from 0.77 (subnasale to columella) to 0.98 (nasion to subnasale). Conclusions: Linear anthropometric measurements taken from 3D surfaces generated from a single stereophotograph correlate closely with direct anthropometric measures. This improves workflow and applicability of anthropometric studies to our youngest patients.
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2

Matsumoto, Taku, Fumihiko Matsui, Tomohiro Matsushita, Kentaro Goto, Yukako Kato, and Hiroshi Daimon. "Stereophotograph of InP(001) Surface." e-Journal of Surface Science and Nanotechnology 7 (2009): 181–85. http://dx.doi.org/10.1380/ejssnt.2009.181.

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3

Costa, Carolina Tavares, Hilton Justino da Silva, and Adriana Camargo Gomes. "Confiabilidade de medidas faciais indiretas obtidas por uma única estereofotografia digital tridimensional em relação a medidas faciais diretas padrão, em crianças." Distúrbios da Comunicação 32, no. 1 (April 16, 2020): 176–79. http://dx.doi.org/10.23925/2176-2724.2020v32i1p176-179.

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Guo, F. Z., T. Matsushita, K. Kobayashi, F. Matsui, Y. Kato, H. Daimon, M. Koyano, Y. Yamamura, T. Tsuji, and Y. Saitoh. "Atomic stereophotograph of intercalation compound Fe1∕3NbS2." Journal of Applied Physics 99, no. 2 (January 15, 2006): 024907. http://dx.doi.org/10.1063/1.2163995.

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Chan, Poemen P., Vivian Chiu, and Mandy O. Wong. "Variability of vertical cup to disc ratio measurement and the effects of glaucoma 5-year risk estimation in untreated ocular hypertensive eyes." British Journal of Ophthalmology 103, no. 3 (June 1, 2018): 361–68. http://dx.doi.org/10.1136/bjophthalmol-2017-311841.

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AimTo compare the vertical cup to disc ratio (VCDR) measurements obtained with optical coherence tomography (OCT), Heidelberg retina tomography (HRT) and stereophotography of the optic nerve head (ONH) in patients with ocular hypertension (OHT), and their corresponding estimated 5-year risk for development of glaucoma.MethodsONH images of patients with OHT were taken by fundus camera (stereoscopic images), OCT and HRT. Optic disc stereophotographs were evaluated with a stereo-viewer by two glaucoma specialists (SP1 and SP2) and the VCDR was measured with the ImageJ software. VCDR measurements obtained with stereophotography, OCT and HRT were used to calculate the estimated 5-year risk.ResultsOne hundred and forty eyes of 75 patients with OHT were included. The VCDR values measured by OCT, HRT, SP1 and SP2 were 0.60±0.14, 0.53±0.23, 0.44±0.13 and 0.49±0.10, respectively. The corresponding 5-year risk for development of glaucoma was 19.54%±16.60%, 18.13%±16.96%, 15.64%±14.35% and 16.70%±14.49%, respectively. Different degrees of proportional biases were observed in VCDR measurements obtained with stereophotography, OCT and HRT. The maximum difference of VCDR measurement was 0.64, while the maximum difference of the corresponding 5-year risk was 24.02%.ConclusionThe disagreement in VCDR measured by OCT, HRT and stereophotography in untreated OHT eyes extends to their 5-year risk estimation of glaucoma development.
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6

Alencar, Luciana M., Christopher Bowd, Robert N. Weinreb, Linda M. Zangwill, Pamela A. Sample, and Felipe A. Medeiros. "Comparison of HRT-3 Glaucoma Probability Score and Subjective Stereophotograph Assessment for Prediction of Progression in Glaucoma." Investigative Opthalmology & Visual Science 49, no. 5 (May 1, 2008): 1898. http://dx.doi.org/10.1167/iovs.07-0111.

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7

Kourkoutas, D., Y. M. Buys, J. G. Flanagan, N. Karamaounas, G. Georgopoulos, E. Iliakis, M. M. Moschos, and G. E. Trope. "Clinical Significance of Optic Disc Progression by Topographic Change Analysis Maps in Glaucoma: An 8-Year Follow-Up Study." Journal of Ophthalmology 2014 (2014): 1–12. http://dx.doi.org/10.1155/2014/987389.

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Aim. To investigate the ability of Heidelberg Retina Tomograph (HRT3) Topographic Change Analysis (TCA) map to predict the subsequent development of clinical change, in patients with glaucoma.Materials. 61 eyes of 61 patients, which, from a retrospective review were defined as stable on optic nerve head (ONH) stereophotographs and visual field (VF), were enrolled in a prospective study. Eyes were classified as TCA-stable or TCA-progressed based on the TCA map. All patients underwent HRT3, VF, and ONH stereophotography at 9–12 months intervals. Clinical glaucoma progression was determined by masked assessment of ONH stereophotographs and VF Guided Progression Analysis.Results. The median (IQR) total HRT follow-up period was 8.1 (7.3, 9.1) years, which included a median retrospective and prospective follow-up time of 3.9 (3.1, 5.0) and 4.0 (3.5, 4.7) years, respectively. In the TCA-stable eyes, VF and/or photographic progression occurred in 5/13 (38.4%) eyes compared to 11/48 (22.9%) of the TCA-progressed eyes. There was no statistically significant association between TCA progression and clinically relevant (photographic and/or VF) progression (hazard ratio, 1.18;P=0.762). The observed median time to clinical progression from enrollment was significantly shorter in the TCA-progressed group compared to the TCA-stable group (P=0.04).Conclusion. Our results indicate that the commercially available TCA progression criteria do not adequately predict subsequent photographic and/or VF progression.
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Bowd, Christopher, Linda M. Zangwill, Felipe A. Medeiros, Jiucang Hao, Kwokleung Chan, Te-Won Lee, Terrence J. Sejnowski, et al. "Confocal Scanning Laser Ophthalmoscopy Classifiers and Stereophotograph Evaluation for Prediction of Visual Field Abnormalities in Glaucoma-Suspect Eyes." Investigative Opthalmology & Visual Science 45, no. 7 (July 1, 2004): 2255. http://dx.doi.org/10.1167/iovs.03-1087.

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Hood, Colin. "Stereophotography in ophthalmology: Part I." Journal of Audiovisual Media in Medicine 9, no. 4 (January 1986): 135–40. http://dx.doi.org/10.3109/17453058609156052.

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Hood, Colin. "Stereophotography in ophthalmology: Part II." Journal of Audiovisual Media in Medicine 10, no. 3 (January 1987): 105–9. http://dx.doi.org/10.3109/17453058709150307.

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Дисертації з теми "Stereophotograph"

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Frost, Natalie Jane. "The role of topographic complexity in the structure and dynamics of rocky shore communities." Thesis, University of Southampton, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.342648.

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Desrues, Mathilde. "Surveillance opérationnelle de mouvements gravitaires par séries temporelles d'images." Thesis, Strasbourg, 2021. http://www.theses.fr/2021STRAH002.

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Comprendre la dynamique et le comportement des mouvements gravitaires est essentiel dans l’anticipation de catastrophes naturelles et donc dans la protection des infrastructures et des personnes. Plusieurs techniques géodésiques apportent déjà des informations sur les champs de déplacement / déformation des pentes instables, techniques qui permettent d’analyser les propriétés géométriques des masses en mouvement et le comportement mécanique des pentes. En combinant des séries temporelles d’images optiques terrestres et ces techniques classiques, la quantité d’informations collectées est densifiée et répartie dans l’espace. Les capteurs passifs numériques sont de plus en plus utilisés pour la détection et la surveillance de mouvements gravitationnels. Ils fournissent à la fois des informations qualitatives, telles que la détection des changements de surface, et une caractérisation quantitative, telle que la quantification du déplacement du sol par des techniques de corrélation d’images. Notre approche consiste à analyser des séries chronologiques d’images terrestres provenant soit d’une seule caméra fixe, soit de caméras stéreoscopiques, ces dernières permettant d’obtenir des informations redondantes et complémentaires. Les séries temporelles sont traitées pour détecter les zones dans lesquelles le comportement cinématique est homogène. Les propriétés de la pente, telles que le volume de glissement et l’épaisseur de la masse en mouvement, font partie des résultats de l’analyse afin d’obtenir une vue d’ensemble aussi complète que possible. Ces travaux sont présentés au travers de l’analyse de quatre glissements de terrain situés dans les Alpes françaises. Ils interviennent dans le cadre d’une convention CIFRE/ANRT entre la société SAGE - Société Alpine de GEotechnique (Gières, France) et l’IPGS – Institut de Physique du Globe de Strasbourg / CNRS UMR 7516 (Strasbourg, France)
Understanding the dynamics and the behavior of gravitational slope movements is essential to anticipate catastrophic failures and thus to protect lives and infrastructures. Several geodetic techniques already bring some information on the displacement / deformation fields of the unstable slopes. These techniques allow the analysis of the geometrical properties of the moving masses and of the mechanical behavior of the slopes. By combining time series of passive terrestrial imagery and these classical techniques, the amount of collected information is densified and spatially distributed. Digital passive sensors are increasingly used for the detection and the monitoring of gravitational motion. They provide both qualitative information, such as the detection of surface changes, and a quantitative characterization, such as the quantification of the soil displacement by correlation techniques. Our approach consists in analyzing time series of terrestrial images from either a single fixed camera or pair-wise cameras, the latter to obtain redundant and additional information. The time series are processed to detect the areas in which the Kinematic behavior is homogeneous. The slope properties, such as the sliding volume and the thickness of the moving mass, are part of the analysis results to obtain an overview which is as complete as possible. This work is presented around the analysis of four landslides located in the French Alps. It is part of a CIFRE/ANRT agreement between the SAGE Society - Société Alpine de Géotechnique (Gières, France) and the IPGS - Institut de Physique du Globe de Strasbourg / CNRS UMR 7516 (Strasbourg, France)
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Wehkamp, Matthias [Verfasser], Philipp [Akademischer Betreuer] Fischer, Gerd [Akademischer Betreuer] Niedzwiedz, Heinz-Dieter [Akademischer Betreuer] Franke, and Karen [Akademischer Betreuer] Wiltshire. "Stereophotography in Marine Biology: Development, Application and Evaluation / Matthias Wehkamp. Betreuer: Philipp Fischer. Gutachter: Philipp Fischer ; Gerd Niedzwiedz ; Heinz-Dieter Franke ; Karen Wiltshire." Bremen : IRC-Library, Information Resource Center der Jacobs University Bremen, 2014. http://d-nb.info/1087325714/34.

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Pinto, José Alberto de Lima Machado. "A holografia estereográfica como meio de expressão artística." Master's thesis, Instituições portuguesas -- UP-Universidade do Porto -- -Faculdade de Engenharia, 1999. http://hdl.handle.net/10216/12048.

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Pinto, José Alberto de Lima Machado. "A holografia estereográfica como meio de expressão artística." Master's thesis, Instituições portuguesas -- UP-Universidade do Porto -- -Faculdade de Engenharia, 1999. http://dited.bn.pt:80/29117.

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Книги з теми "Stereophotograph"

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Final report, "topography from shading and stereo": Contract number, NAS5-31352. [Washington, DC: National Aeronautics and Space Administration, 1995.

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M, Caplinger, and United States. National Aeronautics and Space Administration., eds. Final report, "topography from shading and stereo": Contract number, NAS5-31352. [Washington, DC: National Aeronautics and Space Administration, 1995.

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Частини книг з теми "Stereophotograph"

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Shemdin, O. H. "Measurement of Short Wave Modulation by Long Waves Using Stereophotography and a Laser-Slope Sensor in Toward." In Radar Scattering from Modulated Wind Waves, 173–81. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-2309-6_14.

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Marrero, Meghan E., Glen Schuster, and Amanda Bickerstaff. "Earth System Science in Three Dimensions." In Advances in Early Childhood and K-12 Education, 232–57. IGI Global, 2013. http://dx.doi.org/10.4018/978-1-4666-2815-1.ch010.

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NASA-Sponsored Project 3D-VIEW [Virtual Interactive Environmental Worlds] is a lower middle school curriculum aimed at using 3D stereo technologies to enhance students’ understanding of science concepts. In Project 3D-VIEW, ten to twelve-year-old students use 3D stereo technologies, including stereophotographs, 3D-animations, 3D illustrations, and 3D interactive tools, to visualize concepts such as plate tectonics, the composition of the atmosphere, biological succession, and erosion. This mixed methods case study provides an overview of the project’s successful use of 3D technologies, as evidenced by student test scores as well as a qualitative analysis of student focus groups and interviews with teachers and administrators. The findings indicate that using 3D technologies within a context of standards and research-based curriculum design can improve student engagement as well as performance on standardized tests.
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Тези доповідей конференцій з теми "Stereophotograph"

1

Zheng, Junxing, and Roman D. Hryciw. "Soil Particle Size Characterization by Stereophotography." In Geo-Congress 2014. Reston, VA: American Society of Civil Engineers, 2014. http://dx.doi.org/10.1061/9780784413272.007.

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Miller, Sarah J., and Omar H. Shemdin. "Remote measurement of surface current using stereophotography." In San Diego '92, edited by Leland Estep. SPIE, 1992. http://dx.doi.org/10.1117/12.138862.

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Paisley, Dennis L. "Pulsed Laser Stereophotography Of Plasmas And Dynamically Moving Surfaces." In 31st Annual Technical Symposium, edited by Howard C. Johnson. SPIE, 1988. http://dx.doi.org/10.1117/12.942228.

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Coban, Haluk Sinan, Quan Sun, Bora Cetin, and Junxing Zheng. "Particle Size Characteristics of Unconventionally Large Aggregate Particles by Stereophotography." In Geo-Congress 2020. Reston, VA: American Society of Civil Engineers, 2020. http://dx.doi.org/10.1061/9780784482803.020.

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Chulichkov, Alexey I., Maksim S. Andreev, Aleksandr S. Emilenko, Victor A. Ivanov, Andrey P. Medvedev, and Oleg V. Postylyakov. "Method of estimation of cloud base height using ground-based digital stereophotography." In XXI International Symposium Atmospheric and Ocean Optics. Atmospheric Physics, edited by Oleg A. Romanovskii. SPIE, 2015. http://dx.doi.org/10.1117/12.2205911.

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Andreev, Maksim S., Alexey I. Chulichkov, Aleksander S. Emilenko, Andrey P. Medvedev, and Oleg V. Postylyakov. "Estimation of cloud height using ground-based stereophotography: methods, error analysis and validation." In SPIE Asia Pacific Remote Sensing, edited by Eastwood Im, Song Yang, and Peng Zhang. SPIE, 2014. http://dx.doi.org/10.1117/12.2069800.

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Janowski, Artur, and Jakub Szulwic. "Synchronic digital stereophotography and photogrammetric analyses in monitoring the flow of liquids in open channels." In The 9th International Conference "Environmental Engineering 2014". Vilnius, Lithuania: Vilnius Gediminas Technical University Press “Technika” 2014, 2014. http://dx.doi.org/10.3846/enviro.2014.079.

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Lingguang, Wu, and Ding Jiongwang. "The Availability And Accuracy Using Direct Linear Transformations For The High-Speed Stereophotography In Explosion Processes." In 18th Intl Congress on High Speed Photography and Photonics, edited by DaHeng Wang. SPIE, 1989. http://dx.doi.org/10.1117/12.969249.

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Castro-Torres, José J., Enrique Hita, Miriam Casares-López, Francesco Martino, and Sonia Ortiz-Peregrina. "Anaglyphs and stereoscopic vision in interdisciplinary education and outreach: the historical-artistic heritage of two Spanish cities seen through stereophotographs." In Optics Education and Outreach VI, edited by G. Groot Gregory and Anne-Sophie Poulin-Girard. SPIE, 2020. http://dx.doi.org/10.1117/12.2567205.

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Nikitin, Stanislav V., Andrey Medvedev, Alexander S. Emilenko, Oleg V. Postylyakov, and Alexey I. Chulichkov. "Selection of optical model of stereophotography experiment for determination the cloud base height as a problem of testing of statistical hypotheses." In Remote Sensing of Clouds and the Atmosphere, edited by Adolfo Comerón, Evgueni I. Kassianov, and Klaus Schäfer. SPIE, 2017. http://dx.doi.org/10.1117/12.2279553.

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