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On the performance of objective metrics for omnidirectional visual content

Evgeniy Upenik, Martin Rerabek, Touradj Ebrahimi
2017 2017 Ninth International Conference on Quality of Multimedia Experience (QoMEX)  
Recent studies have assessed performance of objective metrics in predicting visual quality of omnidirectional content.  ...  Statistical analysis is performed in order to assess performance of each objective quality metric in predicting subjective visual quality as perceived by human observers.  ...  State Secretariat for Education, Research and Innovation SERI.  ... 
doi:10.1109/qomex.2017.7965660 dblp:conf/qomex/UpenikRE17 fatcat:oos5bvvtyvcxniiy7jr55wzkxu

Testbed for subjective evaluation of omnidirectional visual content

Evgeniy Upenik, Martin Rerabek, Touradj Ebrahimi
2016 2016 Picture Coding Symposium (PCS)  
In this paper we introduce a testbed suitable for subjective evaluations of omnidirectional visual contents.  ...  This brings new challenges to the omnidirectional visual content processing, especially in the field of compression and quality evaluation.  ...  To improve quality of experience for an omnidirectional visual content, quality metrics and evaluations need to be investigated within applications exploiting such contents.  ... 
doi:10.1109/pcs.2016.7906378 dblp:conf/pcs/UpenikRE16 fatcat:dz6olfwvnbf6jkblsg3bzwgd4q

Quality of Experience Comparison of Stereoscopic 3D Videos in Different Projection Devices: Flat Screen, Panoramic Screen and Virtual Reality Headset

Siu-Ming Choy, Eva Cheng, Richardt H. Wilkinson, Ian Burnett, Michael W. Austin
2021 IEEE Access  
The results indicate that the projection screen is a key factor affecting the level of visual fatigue, VIMS and QoE assessments, which are discussed in-depth in the article.  ...  A wide variety of projection methods of 3D video content is currently available, such as projection to a panoramic screen and projection of omnidirectional video content from head mounted displays using  ...  image quality assessment.  ... 
doi:10.1109/access.2021.3049798 fatcat:7utjcdqymrbbbpjqsjpfpap2we

Laying the Explorative Groundwork for Document Quality Assessment and Perspective Detection

Lesia Tkacz, Robin Kumar Sharma, Chantal Van Son, Davide Ceolin
2019 Zenodo  
The ultimate goal of our project is to design a tool to aid users in reviewing and learning about the quality and content of large document collections online.  ...  This lays the explorative groundwork for developing a web browser tool which efciently informs users about the quality of web documents according to 8 quality dimensions.  ...  PROJECT OUTLINE We address these drawbacks by first focusing on how to visually present document quality, and text content, to web users.  ... 
doi:10.5281/zenodo.2546803 fatcat:m4c6h3owrfe5fhonrlttzoubji

Research on Multidimensional Course Evaluating System in High Vocational Education

Can Li
2019 Creative Education  
This paper explores the significance of multidimensional curriculum effectiveness evaluation system for higher vocational personnel training from the aspects of in-  ...  In recent years, in order to highlight the characteristics of Higher Vocational Education, we clarify the teaching objectives and cope with the changes in the quality of students at the same time.  ...  The closed-book examination is mainly for the knowledge points of technical skills and work procedures to assess the content.  ... 
doi:10.4236/ce.2019.108142 fatcat:bcam4yjhmra2vja5sw3dvg6iqm

NAMA3DS1-COSPAD1: Subjective video quality assessment database on coding conditions introducing freely available high quality 3D stereoscopic sequences

Matthieu Urvoy, Marcus Barkowsky, Romain Cousseau, Yao Koudota, Vincent Ricorde, Patrick Le Callet, Jesus Gutierrez, Narciso Garcia
2012 2012 Fourth International Workshop on Quality of Multimedia Experience  
The content was designed to be suited for usage in a wide variety of applications, including high quality studies. A set of depth maps was calculated from the stereoscopic pair.  ...  NAMA3DS1-COSPAD1: Subjective video quality assessment database on coding conditions introducing freely available high quality 3D stereoscopic sequences.  ...  Secondly, the selection of the content was done trying to obtain interesting scenes for the observers, considering that they will be used in subjective quality assessment tests.  ... 
doi:10.1109/qomex.2012.6263847 dblp:conf/qomex/UrvoyBCKRCGG12 fatcat:odli2qmh5vapbda65nenzdxoo4

Development and content validity evaluation of a candidate instrument to assess image quality in digital mammography: a mixed-method study

Joana Boita, Anetta Bolejko, Sophia Zackrisson, Matthew G. Wallis, Debra M. Ikeda, Chantal Van Ongeval, Ruben E. van Engen, Alistair Mackenzie, Anders Tingberg, Hilde Bosmans, Ruud Pijnappel, Ioannis Sechopoulos (+1 others)
2020 European Journal of Radiology  
To develop a candidate instrument to assess image quality in digital mammography, by identifying clinically relevant features in images that are affected by lower image quality.  ...  Twelve content areas, representing the content of image quality in digital mammography, emerged from the interviews and were converted into 29 tentative items.  ...  The clinical assessment of image quality in type testing can be considered an extension of Visual Grading Analysis (VGA), which is a simple and intuitive method to assess image quality, consisting of visually  ... 
doi:10.1016/j.ejrad.2020.109464 pmid:33307458 fatcat:2bhaopwr3jfpjevypu4tcubnie

Analysis of Legal and Theoretical Framework Creating the Methodology of Visual Pollution Assessment for Natural Landscapes

Jūratė Kamičaitytė-Virbašienė, Giedrė Godienė
2015 Journal of Sustainable Architecture and Civil Engineering  
The main stages of visual impact assessment are: screening (determines the need of EIA) and scoping (identifies the scope and content of EIA); project description and description, classification and evaluation  ...  VIA stages and their content Evaluation of theoretical- methodological framework relevance for visual pollution assessment Journal of Sustainable Architecture and Civil Engineering 2015/3/12  ...  Main research area Landscape visual quality analysis, evaluation and regulation, methods of planned activity or object visual impact assessment, analysis of social preferences evaluating landscape visual  ... 
doi:10.5755/j01.sace.12.3.13022 fatcat:d5o24y5npjbyxmcdszkynxgnda

Visual Quality/Aesthetics Modeling for Reclamation/Landscape Disturbance Applications

J. B. Burley, T. J. Brown
1992 Journal American Society of Mining and Reclamation  
Not all visual quality assessment methods may be readily suitable for reclamation/landscape disturbance applications.  ...  This paper presents an overview of visual quality quantitative methods for reclamation specialists.  ...  For reclamation specialists, there exists a wide assortment of visual quality assessment techniques, but no single method is readily acceptable to assess visual quality.  ... 
doi:10.21000/jasmr92010519 fatcat:5bj4jg2lnrbwfbm7jbeovqco64


2021 Computer Systems and Information Technologies  
In the course of the work the methods of creating 3D content for different areas of application such as game industry, 3D visualization, 3D printing, AR projects, holographic fans, preliminary assessment  ...  The task of fast and high-quality algorithm for creating 3D content for further import in AR training projects has been urgent.  ...  So, the task of fast and high-quality algorithm for creating 3D content for further import in AR training projects has been urgent.  ... 
doi:10.31891/csit-2021-4-6 fatcat:ft6zstxconbdnba34hn254bpzy

VCIP 2020 Index

2020 2020 IEEE International Conference on Visual Communications and Image Processing (VCIP)  
Feature Fusion Li, Sumei No-Reference Stereoscopic Image Quality Assessment Based On Visual Attention Mechanism Li, Sumei A Weighted Mean Absolute Error Metric for Image Quality Assessment  ...  Hao, Sihan A Weighted Mean Absolute Error Metric for Image Quality Assessment He, Yingshen A point cloud compression framework via spherical projection Herglotz, Christian FishUI: Interactive  ... 
doi:10.1109/vcip49819.2020.9301896 fatcat:bdh7cuvstzgrbaztnahjdp5s5y

A comprehensive study of the rate-distortion performance in MPEG point cloud compression

Evangelos Alexiou, Irene Viola, Tomás M. Borges, Tiago A. Fonseca, Ricardo L. de Queiroz, Touradj Ebrahimi
2019 APSIPA Transactions on Signal and Information Processing  
As part of the study, state-of-the-art objective quality metrics are benchmarked to assess their capability to predict visual quality of point clouds under a wide range of radically different compression  ...  Recent trends in multimedia technologies indicate the need for richer imaging modalities to increase user engagement with the content.  ...  For both contents, B0 is considered as yielding a better visual quality with respect to B2, although marginally so for content longdress.  ... 
doi:10.1017/atsip.2019.20 fatcat:rureswadtbcm5ew2xgkw6il5qe

The Viewing Conditions of Light-Field Video for Subjective Quality Assessment

Peter A. Kara, Roopak R. Tamboli, Aron Cserkaszky, Maria G. Martini, Attila Barsi, Laszlo Bokor
2018 2018 International Conference on 3D Immersion (IC3D)  
The visual quality of the test conditions was degraded by the reduction of content spatial and angular resolution, as they both affect the smoothness of the horizontal motion parallax.  ...  In this paper, we introduce the results of an experiment investigating the viewing conditions of light-field video quality assessment.  ...  CONCLUSION In this paper, we presented an overview of viewing conditions separately for static, interactive and video content for glassesfree 3D quality assessments, and introduced our own research on  ... 
doi:10.1109/ic3d.2018.8657881 dblp:conf/ic3d/KaraTCMBB18 fatcat:lfxibp67knevdhq6o2llcjqbqm

Inpainting in Omnidirectional Images for Privacy Protection

Evgeniy Upenik, Pinar Akyazi, Mehmet Tuzmen, Touradj Ebrahimi
2019 ICASSP 2019 - 2019 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)  
The perceived quality of the scene is assessed via subjective tests, comparing the proposed method against inpainting employed directly on the equirectangular image.  ...  This paper presents a method for protecting user privacy in omnidirectional media, by removing parts of the content selected by the user, in a reversible manner.  ...  This paper reports research performed under the framework of project Digital Eye: Deep Learning Video Quality Assessment Technology, funded by The Swiss Commission for Technology and Innovation (CTI) under  ... 
doi:10.1109/icassp.2019.8683346 dblp:conf/icassp/UpenikATE19 fatcat:oxxmyxbfsndmvc72wtve6l6mxa

Subjective Quality Study and Database of Compressed Point Clouds with 6DoF Head-mounted Display [article]

Xinju Wu, Yun Zhang, Chunling Fan, Junhui Hou, Sam Kwong
2020 arXiv   pre-print
In this paper, we focus on subjective and objective Point Cloud Quality Assessment (PCQA) in an immersive environment and study the effect of geometry and texture attributes in compression distortion.  ...  of projected views.  ...  Learning from Image Quality Assessment (IQA) [6] and Video Quality Assessment (VQA) [7] , many papers for PCQA came out since 2017.  ... 
arXiv:2008.02501v1 fatcat:r6adrhk7tvckdj55e7mkfldyvi
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