Littérature scientifique sur le sujet « Objective and subjective quality »
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Articles de revues sur le sujet "Objective and subjective quality"
Åkerstedt, Torbjörn, Göran Kecklund et John Axelsson. « Subjective and objective quality of sleep ». Somnologie - Schlafforschung und Schlafmedizin 12, no 2 (juin 2008) : 104–9. http://dx.doi.org/10.1007/s11818-008-0342-z.
Texte intégralHands, D. S., M. D. Brotherton, A. Bourret et D. Bayart. « Subjective quality assessment for objective quality model development ». Electronics Letters 41, no 7 (2005) : 408. http://dx.doi.org/10.1049/el:20058339.
Texte intégralFord, A., K. Hansen, M. Herrington, J. Moisander, S. Nottingham, S. Prytz et M. Zorin. « SUBJECTIVE AND OBJECTIVE DETERMINATION OF STRAWBERRY QUALITY ». Acta Horticulturae, no 439 (septembre 1997) : 319–24. http://dx.doi.org/10.17660/actahortic.1997.439.50.
Texte intégralData, S., et F. Frigerio. « Objective evaluation of handling quality ». Proceedings of the Institution of Mechanical Engineers, Part D : Journal of Automobile Engineering 216, no 4 (1 avril 2002) : 297–305. http://dx.doi.org/10.1243/0954407021529129.
Texte intégralMacků, Karel, Jan Caha, Vít Pászto et Pavel Tuček. « Subjective or Objective ? How Objective Measures Relate to Subjective Life Satisfaction in Europe ». ISPRS International Journal of Geo-Information 9, no 5 (12 mai 2020) : 320. http://dx.doi.org/10.3390/ijgi9050320.
Texte intégralvom Lehn, Dirk, Helena Webb, Christian Heath et Will Gibson. « Objective Measures and Subjective Reports ». International Review of Qualitative Research 10, no 2 (août 2017) : 128–48. http://dx.doi.org/10.1525/irqr.2017.10.2.128.
Texte intégralDumic, Emil, et Luis A. da Silva Cruz. « Point Cloud Coding Solutions, Subjective Assessment and Objective Measures : A Case Study ». Symmetry 12, no 12 (26 novembre 2020) : 1955. http://dx.doi.org/10.3390/sym12121955.
Texte intégralBridgelall, Raj. « Relating subjective ride quality ratings to objective measures ». Transport Policy 126 (septembre 2022) : 199–203. http://dx.doi.org/10.1016/j.tranpol.2022.07.023.
Texte intégralZhang, Huiqing, Donghao Li, Yibing Yu et Nan Guo. « Subjective and Objective Quality Assessments of Display Products ». Entropy 23, no 7 (26 juin 2021) : 814. http://dx.doi.org/10.3390/e23070814.
Texte intégralNarvaez, Jenille M., Elizabeth W. Twamley, Christine L. McKibbin, Robert K. Heaton et Thomas L. Patterson. « Subjective and objective quality of life in schizophrenia ». Schizophrenia Research 98, no 1-3 (janvier 2008) : 201–8. http://dx.doi.org/10.1016/j.schres.2007.09.001.
Texte intégralThèses sur le sujet "Objective and subjective quality"
Torkhani, Fakhri. « Analyse subjective et évaluation objective de la qualité perceptuelle des maillages 3D ». Thesis, Grenoble, 2014. http://www.theses.fr/2014GRENT051/document.
Texte intégral3D mesh animations have been increasingly used in various applications, e.g., in digital entertainment, computer-aided design and medical imaging. It is possible that a mesh model undergoes some lossy operations, e.g., compression, watermarking or simplification, which can impair the original mesh surface and introduce geometric distortions. An important task is to quantify such distortions and assess the perceptual quality of impaired meshes. In this manuscript, we focus on the perceptual quality assessment of 3D static and dynamic meshes. We present psychometric experiments that we conducted to measure the subjective perceptual quality of dynamic meshes. We also present new full-reference and reduced-reference objective metrics capable of faithfully evaluating the perceptual quality of 3D static and dynamic meshes
Sendjasni, Abderrezzaq. « Objective and subjective quality assessment of 360-degree images ». Electronic Thesis or Diss., Poitiers, 2023. http://www.theses.fr/2023POIT2251.
Texte intégral360-degree images, a.k.a. omnidirectional images, are in the center of immersive media. With the increase in demands of the latter, mainly thanks to the offered interactive and immersive experience, it is paramount to provide good quality of experience (QoE). This QoE is significantly impacted by the quality of the content. Like any type of visual signal, 360-degree images go through a sequence of processes including encoding, transmission, decoding, and rendering. Each of these processes has the potential to introduce distortions to the content. To improve the QoE, image quality assessment (IQA) is one of the strategies to be followed. This thesis addresses the quality evaluation of 360-degree images from the objective and subjective perspectives. By focusing on the influence of Head Mounted Displays (HMDs) on the perceived quality of 360-degree images, a psycho-visual study is designed and carried out using four different devices. For this purpose, a 360-degree image datasets is created and a panel of observers is involved. The impact of HMDs on the quality ratings is identified and highlighted as an important factor to consider when con- ducting subjective experiments for 360-degree images. From the objective perspective, we first comprehensively benchmarked several convolutional neural network (CNN) models under various configurations. Then, the processing chain of CNN-based 360-IQA is improved at different scales, from input sampling and representation to aggregating quality scores. Based on the observations of the above studies as well as the benchmark, two 360-IQA models based on CNNs are proposed to accurately predict the quality of 360-degree images. The obtained observations and conclusions from the various contributions shall bring insights for assessing the quality of 360-degree images
360-graders bilder, også kjent som rundstrålende bilder, er i sentrum av oppslukende medier. Med økningen i forventninger til sistnevnte, hovedsakelig takket være den aktiverte interaktive og oppslukende opplevelse, er det avgjørende å gi god kvaliteten på opplevelsen (QoE).Denne QoE er betydelig påvirket av kvaliteten på innholdet. Som alle typer visuelle signaler går 360-graders bilder gjennom en sekvens av prosesser, inkludert koding, overføring, dekoding og gjengivelse. Hver av disse prosessene har potensial til å introdusere forvrengninger til innholdet.For å forbedre QoE er vurdering av bildekvalitet (IQA) en av strategiene å følge. Denne oppgaven tar for seg kvalitetsevaluering av 360-graders bilder fra objektive og subjektive perspektiver. Ved å fokusere på påvirkningen av Head Mounted Displays (HMD-er) på den oppfattede kvaliteten til 360-graders bilder, er en psyko-visuell studie designet og utført ved hjelp av fire forskjellige enheter. For dette formålet opprettes et 360-graders bildedatasett og et panel av observatører er involvert. Virkningen av HMD-er på valitetsvurderingene identifiseres og fremheves som en viktig faktor når du utfører subjektive eksperimenter for 360-graders bilder.Fra det objektive perspektivet benchmarket vi først flere konvolusjonelle nevrale nettverk (CNN) under forskjellige konfigurasjoner. Deretter forbedres prosesseringskjeden til CNN-baserte 360-IQA i forskjellige skalaer, fra input-sampling og representasjon til aggregering av kvalitetspoeng. Basert på observasjonene av de ovenfornevnte studiene så vel som benchmark, foreslås to 360-IQA-modeller basert på CNN-er for å nøyaktig forutsi kvaliteten på 360-graders bilder.De innhentede observasjonene og konklusjonene fra de ulike bidragene skal gi innsikt for å vurdere kvaliteten på 360-graders bilder
Malekmohamadi, Hossein. « Objective models for subjective quality estimate of stereoscopic video ». Thesis, University of Surrey, 2013. http://eprints.lincoln.ac.uk/12756/.
Texte intégralSadeghi, Reza. « Predicting Subjective Sleep Quality Using Objective Measurements in Older Adults ». Wright State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=wright1588627876830938.
Texte intégralDalasari, Venkata Gopi Krishna, et Sri Krishna Jayanty. « Low Light Video Enhancement along with Objective and Subjective Quality Assessment ». Thesis, Blekinge Tekniska Högskola, Institutionen för tillämpad signalbehandling, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-13500.
Texte intégralGuo, Jinjiang. « Contributions to objective and subjective visual quality assessment of 3d models ». Thesis, Lyon, 2016. http://www.theses.fr/2016LYSEI099.
Texte intégralIn computer graphics realm, three-dimensional graphical data, generally represented by triangular meshes, have become commonplace, and are deployed in a variety of application processes (e.g., smoothing, compression, remeshing, simplification, rendering, etc.). However, these processes inevitably introduce artifacts, altering the visual quality of the rendered 3D data. Thus, in order to perceptually drive the processing algorithms, there is an increasing need for efficient and effective subjective and objective visual quality assessments to evaluate and predict the visual artifacts. In this thesis, we first present a comprehensive survey on different sources of artifacts in digital graphics, and current objective and subjective visual quality assessments of the artifacts. Then, we introduce a newly designed subjective quality study based on evaluations of the local visibility of geometric artifacts, in which observers were asked to mark areas of 3D meshes that contain noticeable distortions. The collected perceived distortion maps are used to illustrate several perceptual functionalities of the human visual system (HVS), and serve as ground-truth to evaluate the performances of well-known geometric attributes and metrics for predicting the local visibility of distortions. Our second study aims to evaluate the visual quality of texture mapped 3D model subjectively and objectively. To achieve these goals, we introduced 136 processed models with both geometric and texture distortions, conducted a paired-comparison subjective experiment, and invited 101 subjects to evaluate the visual qualities of the models under two rendering protocols. Driven by the collected subjective opinions, we propose two objective visual quality metrics for textured meshes, relying on the optimal combinations of geometry and texture quality measures. These proposed perceptual metrics outperform their counterparts in term of the correlation with the human judgment
Shahid, Muhammad. « Methods for Objective and Subjective Video Quality Assessment and for Speech Enhancement ». Doctoral thesis, Blekinge Tekniska Högskola [bth.se], Faculty of Engineering - Department of Applied Signal Processing, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-00603.
Texte intégralSaidi, Inès. « Analyse et modélisation de la qualité perçue des applications de visiophonie ». Thesis, Rennes, INSA, 2018. http://www.theses.fr/2018ISAR0013/document.
Texte intégralIn a highly competitive environment, one of the key challenges for operators and providers of video telephony services is to ensure the highest quality of experience (QoE). There is a strong need for a measure that reflects users satisfaction and perception of these services. The audio-visual quality of a video call must be controlled to meet two main needs. The first concerns the planning of new technologies under development. The second is focused on the control of existing communications by assessing the quality of the services offered and evaluating them. Two approaches are used to evaluate audio-visual quality: subjective tests by collecting scores given by participants on quality scales, after viewing and listening to audiovisual sequences and objective metrics based on automatic audio/ video or audiovisual quality evaluation algorithms. Concerning telephony services, decades of research, standardization work and network exploitation, have allowed operators to master the automatic monitoring tools and to determine the representative metrics of voice quality. However, the metrics for measuring the audiovisual quality of a conversational services are not yet mature and not exploited by telecommunication operators. The present work focuses on finding representative metrics of the perception of the video telephony anc videoconferencing services quality. These objective metrics are calculated from the audio and video signals. Subjective tests are conducted to collect the judgment of service users on the perceived quality according to different levels of degradation. We studied the impact of network conditions (packet loss, jitter and desynchronization) on the QoE of a video call. The general principle is then to establish a correlation between the selected objective metrics and the perceived quality as expressed by the users. The results showed that new metric of overall audiovisual quality that take into account the temporal aspect of video are more powerful than image quality based metrics. On the other hand, the use of a machine learning approach represents a solution to generat a global quality prediction model from the degradation metrics (blur, pixelization, image freezing, ... )
Budhrani, Pinky H. « Race/Ethnicity, Subjective and Objective Sleep Quality, Physical and Psychological Symptoms in Breast Cancer Survivors ». Scholar Commons, 2013. http://scholarcommons.usf.edu/etd/4645.
Texte intégralSwenson, Andrea Valeria Roets. « Making Romantic Relationships Tick : Objective and Subjective Time Use and Relationship Quality Among Business Owners ». Diss., Virginia Tech, 2016. http://hdl.handle.net/10919/70908.
Texte intégralPh. D.
Livres sur le sujet "Objective and subjective quality"
Objective/subjective. [Chicago, Ill : Rhino Press], 1995.
Trouver le texte intégralSubjective, intersubjective, objective. Oxford : Clarendon Press, 2001.
Trouver le texte intégralPress, S. James, dir. Subjective and Objective Bayesian Statistics. Hoboken, NJ, USA : John Wiley & Sons, Inc., 2002. http://dx.doi.org/10.1002/9780470317105.
Texte intégralNesi, Paolo, dir. Objective Software Quality. Berlin, Heidelberg : Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/3-540-59449-3.
Texte intégralRowe, Alicia L. Anchoring effects on objective and subjective visual stimuli. Sudbury, Ont : Laurentian University, 2007.
Trouver le texte intégralIssues in clinical psychology : Subjective versus objective approaches. Boston : Allyn and Bacon, 1993.
Trouver le texte intégralVarra, Lucia, dir. Le case per ferie : valori, funzioni e processi per un servizio differenziato e di qualità. Florence : Firenze University Press, 2012. http://dx.doi.org/10.36253/978-88-6655-094-5.
Texte intégralKondo, Kazuhiro. Subjective Quality Measurement of Speech. Berlin, Heidelberg : Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-27506-7.
Texte intégralNagpal, Rup. Subjective well-being. New Delhi : World Health Organization, 1985.
Trouver le texte intégralSubjective and objective Bayesian statistics : Principles, models, and applications. 2e éd. Hoboken, N.J : Wiley-Interscience, 2003.
Trouver le texte intégralChapitres de livres sur le sujet "Objective and subjective quality"
Barofsky, Ivan. « The Role of Objective or Subjective Indicators ». Dans Quality, 91–119. New York, NY : Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-9819-4_4.
Texte intégralSiposne Nandori, Eszter. « Objective and Subjective Poverty ». Dans Encyclopedia of Quality of Life and Well-Being Research, 4424–28. Dordrecht : Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-0753-5_3779.
Texte intégralMuffels, Ruud. « Objective and Subjective Deprivation ». Dans Encyclopedia of Quality of Life and Well-Being Research, 4409–13. Dordrecht : Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-0753-5_1983.
Texte intégralKondo, Kazuhiro. « Estimation of DRT Scores Using Objective Measures ». Dans Subjective Quality Measurement of Speech, 93–141. Berlin, Heidelberg : Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-27506-7_8.
Texte intégralWu, Hong Ren. « QoE Subjective and Objective Evaluation Methodologies ». Dans Multimedia Quality of Experience (QoE), 123–47. Chichester, UK : John Wiley & Sons, Ltd, 2015. http://dx.doi.org/10.1002/9781118736135.ch6.
Texte intégralKotter-Grühn, Dana. « Objective and Subjective Nearness to Death ». Dans Encyclopedia of Quality of Life and Well-Being Research, 4420–24. Dordrecht : Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-0753-5_4125.
Texte intégralLiao, Pei-Shan. « Objective and Subjective Indicators Correlations in Taiwan ». Dans Encyclopedia of Quality of Life and Well-Being Research, 4413–20. Dordrecht : Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-0753-5_3732.
Texte intégralLiao, Pei-Shan. « Objective and Subjective Indicators’ Correlations in Taiwan ». Dans Encyclopedia of Quality of Life and Well-Being Research, 1–8. Cham : Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-319-69909-7_3732-2.
Texte intégralPetrucci, Alessandra, et Silvana Schifini D’Andrea. « Quality of Life in Europe : Objective and Subjective Indicators ». Dans Advances in Quality of Life Research 2001, 55–88. Dordrecht : Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-015-9970-2_3.
Texte intégralSolomon, Natalie Leah, et Vlad Manea. « Quantifying Energy and Fatigue : Classification and Assessment of Energy and Fatigue Using Subjective, Objective, and Mixed Methods towards Health and Quality of Life ». Dans Quantifying Quality of Life, 79–117. Cham : Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-94212-0_4.
Texte intégralActes de conférences sur le sujet "Objective and subjective quality"
Alizadeh, M., et M. Sharifkhani. « Subjective video quality prediction based on objective video quality metrics ». Dans 2018 4th Iranian Conference on Signal Processing and Intelligent Systems (ICSPIS). IEEE, 2018. http://dx.doi.org/10.1109/icspis.2018.8700561.
Texte intégralQueluz, Maria Paula, Francisco Lopes, João Ascenso et António Rodrigues. « Subjective and objective quality assessment of omnidirectional video ». Dans Applications of Digital Image Processing XLI, sous la direction de Andrew G. Tescher. SPIE, 2018. http://dx.doi.org/10.1117/12.2321679.
Texte intégralTiefenbacher, Philipp, Viktor Bogischef, Daniel Merget et Gerhard Rigoll. « Subjective and objective evaluation of image inpainting quality ». Dans 2015 IEEE International Conference on Image Processing (ICIP). IEEE, 2015. http://dx.doi.org/10.1109/icip.2015.7350838.
Texte intégralPicard, Marthe, Lesley Cockmartin, Kristin Buelens, Sandra Postema, Valerie Celis, Cédric Aesseloos et Hilde Bosmans. « Objective and subjective assessment of mammographic positioning quality ». Dans Sixteenth International Workshop on Breast Imaging, sous la direction de Hilde Bosmans, Nicholas Marshall et Chantal Van Ongeval. SPIE, 2022. http://dx.doi.org/10.1117/12.2624400.
Texte intégralPinson, Margaret H., Christian Schmidmer, Lucjan Janowski, Romuald Pepion, Quan Huynh-Thu, Phillip Corriveau, Audrey Younkin, Patrick Le Callet, Marcus Barkowsky et William Ingram. « Subjective and objective evaluation of an audiovisual subjective dataset for research and development ». Dans 2013 Fifth International Workshop on Quality of Multimedia Experience (QoMEX). IEEE, 2013. http://dx.doi.org/10.1109/qomex.2013.6603199.
Texte intégralWazirali, Raniyah, Shaher Slehat, Zenon Chaczko, Grzegorz Borowik et Lucia Carrion. « Objective Quality Metrics in Correlation with Subjective Quality Metrics for Steganography ». Dans 2015 Asia-Pacific Conference on Computer-Aided System Engineering (APCASE). IEEE, 2015. http://dx.doi.org/10.1109/apcase.2015.49.
Texte intégralKozyra, Cyprian, Beata Zmyślona et Katarzyna Madziarska. « Complementary Objective and Subjective Measures of Hospital Services Quality ». Dans 17-th AMSE. Applications of mathematics in economics. International Scientific Conference : Poland, 27-31 Agust, 2014. Conference proceedings full text papers. Wydawnictwo Uniwersytetu Ekonomicznego we Wrocławiu, 2014. http://dx.doi.org/10.15611/amse.2014.17.16.
Texte intégralJavaheri, Alireza, Catarina Brites, Fernando Pereira et Joao Ascenso. « Subjective and objective quality evaluation of compressed point clouds ». Dans 2017 IEEE 19th International Workshop on Multimedia Signal Processing (MMSP). IEEE, 2017. http://dx.doi.org/10.1109/mmsp.2017.8122239.
Texte intégralSevcik, L., L. Behan, J. Frnda, M. Uhrina, J. Bienik et M. Voznak. « Prediction of Subjective Video Quality Based on Objective Assessment ». Dans 2018 26th Telecommunications Forum (TELFOR). IEEE, 2018. http://dx.doi.org/10.1109/telfor.2018.8612127.
Texte intégralUhrina, Miroslav, Juraj Bienik, Lukas Sevcik et Miroslav Voznak. « Video Quality Assessment : Relationship between objective and subjective methods ». Dans 2019 27th Telecommunications Forum (TELFOR). IEEE, 2019. http://dx.doi.org/10.1109/telfor48224.2019.8971137.
Texte intégralRapports d'organisations sur le sujet "Objective and subjective quality"
Andrabi, Tahir, et Christina Brown. Subjective versus Objective Incentives and Teacher Productivity. Research on Improving Systems of Education (RISE), mars 2022. http://dx.doi.org/10.35489/bsg-rise-wp_2022/092.
Texte intégralMushongera, Darlington, Prudence Kwenda et Miracle Ntuli. An analysis of well-being in Gauteng province using the capability approach. Gauteng City-Region Observatory, 2020. http://dx.doi.org/10.36634/2020.op.1.
Texte intégralRebelo, André, João R. Pereira, Paulo Cunha, Manuel J. Coelho-e-Silva, Lauren B. Sherar et João Valente-dos-Santos. Training Load, Neuromuscular Fatigue and Well-Being in Volleyball : A Systematic Review. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, juillet 2022. http://dx.doi.org/10.37766/inplasy2022.7.0059.
Texte intégralStevenson, Betsey, et Justin Wolfers. Subjective and Objective Indicators of Racial Progress. Cambridge, MA : National Bureau of Economic Research, mars 2013. http://dx.doi.org/10.3386/w18916.
Texte intégralChen, Ziying, Zefei Jiang, Ziyun Guo, Mengchao Wang, Zhen Wang et Liwei Chen. Comparative efficacy of different types of acupuncture for cancer-related fatigue : a protocol for systematic review and network meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, juillet 2022. http://dx.doi.org/10.37766/inplasy2022.7.0012.
Texte intégralLarson, Gerald, Robyn M. High-McRoy, Stephanie Booth-Kewley, David Service, Heidi Kraft, Emily A. Schmied et Robert L. Koffman. Reintegrating Subjective and Objective Aspects of War-Related PTSD. Fort Belvoir, VA : Defense Technical Information Center, juillet 2008. http://dx.doi.org/10.21236/ada620092.
Texte intégralSpitzer, Sonja, Vanessa di Lego, Angela Greulich et Raya Muttarak. A demographic perspective on human wellbeing : Concepts, measurement and population heterogeneity. Verlag der Österreichischen Akademie der Wissenschaften, septembre 2021. http://dx.doi.org/10.1553/populationyearbook2021.int01.
Texte intégralBooth-Kewley, Stephanie, et Marie D. Thomas. The Subjective Quality of Life of Navy Personnel. Fort Belvoir, VA : Defense Technical Information Center, septembre 1993. http://dx.doi.org/10.21236/ada270373.
Texte intégralNone, None. CALiPER Report 20.1 : Subjective Evaluation of Beam Quality, Shadow Quality, and Color Quality for LED PAR38 Lamps. Office of Scientific and Technical Information (OSTI), novembre 2013. http://dx.doi.org/10.2172/1221091.
Texte intégralUehara, Hiroshi, Hiroshi Isoyama, Hikari Mukai, Yasuo Ishii, Hisami Ohishi, Kiyokazu Ogawa, Toshiharu Sato et al. Analysis of Correlation Between Subjective and Objective Rating for Idling Sound of Diesel Truck. Warrendale, PA : SAE International, mai 2005. http://dx.doi.org/10.4271/2005-08-0027.
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