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Paper Abstract and Keywords
Presentation 2014-08-01 15:55
Subjective Evaluation for Image Quality when the Background Region is Gray Scale in the case of Occurring the Coded Degradation for Background or Object Region of 3D CG Images with 8-Viewpoints Parallax Barrier Method
Norifumi Kawabata, Masaru Miyao (Nagoya Univ.) IMQ2014-11
Abstract (in Japanese) (See Japanese page) 
(in English) Until now, there have been many studies about image quality evaluation for multi-viewpoint 3D color still images or about ROI (Region Of Interest). Particularly, it wasn't revealed that assessors focused on what region or area in the multi-viewpoint 3D still images by whether the certain region of color or gray scale in the multi-viewpoint still image since there were much the number of viewpoints. Furthermore, there was an example of study about the evaluation of the coded degradation by the background or object region in the multi-viewpoint 3D image until now. In addition, it wasn't revealed whether it affected for assessors about look-at-point environment and subjective quality or not when the background region is gray scale. In this paper, we demonstrated subjective evaluation for image quality when the background region is gray scale in the case of occurring the coded degradation for objects or background region with 8-viewpoints parallax barrier method. From experimental results, we analyzed them, and classified them by using Support Vector Machine (SVM).
Keyword (in Japanese) (See Japanese page) 
(in English) Three-dimensional Computer Graphics / Gray Scale / Multi-Viewpoint / Parallax Barrier Method / Double Stimulus Impairment Scale Method / Support Vector Machine / Sequential Minimal Optimization /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 171, IMQ2014-11, pp. 25-30, Aug. 2014.
Paper # IMQ2014-11 
Date of Issue 2014-07-25 (IMQ) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee IMQ  
Conference Date 2014-08-01 - 2014-08-01 
Place (in Japanese) (See Japanese page) 
Place (in English) Univ. of Toyama 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Quality Metrics and Image Media Quality 
Paper Information
Registration To IMQ 
Conference Code 2014-08-IMQ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Subjective Evaluation for Image Quality when the Background Region is Gray Scale in the case of Occurring the Coded Degradation for Background or Object Region of 3D CG Images with 8-Viewpoints Parallax Barrier Method 
Sub Title (in English)  
Keyword(1) Three-dimensional Computer Graphics  
Keyword(2) Gray Scale  
Keyword(3) Multi-Viewpoint  
Keyword(4) Parallax Barrier Method  
Keyword(5) Double Stimulus Impairment Scale Method  
Keyword(6) Support Vector Machine  
Keyword(7) Sequential Minimal Optimization  
1st Author's Name Norifumi Kawabata  
1st Author's Affiliation Nagoya University (Nagoya Univ.)
2nd Author's Name Masaru Miyao  
2nd Author's Affiliation Nagoya University (Nagoya Univ.)
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Date Time 2014-08-01 15:55:00 
Presentation Time 25 
Registration for IMQ 
Paper # IEICE-IMQ2014-11 
Volume (vol) IEICE-114 
Number (no) no.171 
Page pp.25-30 
#Pages IEICE-6 
Date of Issue IEICE-IMQ-2014-07-25 

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