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Paper Abstract and Keywords
Presentation 2009-10-08 15:00
Comparison in Performance between Improved Conventional Methods and Cooperative Vision-Model-Based Method in Edge-Enhanced Image Sharpness Evaluation
Toshikazu Matsui, Tomohiro Fujita (Gunma Univ.) EID2009-24 Link to ES Tech. Rep. Archives: EID2009-24
Abstract (in Japanese) (See Japanese page) 
(in English) It has been shown that the sharpness evaluation method based on the cooperative human vision model is superior in performance to conventional methods and their improved methods reformulated so as to reproduce fundamental characteristics on sharpness in the same way as the vision-model-based method. These results imply that the vision-model-based method's high performance can be caused by its image observing mechanism. In order to clarify the effectiveness of the vision-model-based method and the influence of the image observing mechanism on performance more definitely, we apply the both methods to sharpness evaluation for edge-enhanced images and compare these two performances. Consequently, for edge-enhanced images, the vision-model-based method was superior in performance to the improved methods under almost all the evaluation conditions. This result suggests that the image observing mechanism in human vision can also play an important role in image quality evaluation.
Keyword (in Japanese) (See Japanese page) 
(in English) Sharpness / Evaluation performance / Cooperative human vision model / Image observation / Edge-enhance / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 223, EID2009-24, pp. 25-28, Oct. 2009.
Paper #  
Date of Issue 2009-10-01 (EID) 
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)
Download PDF EID2009-24 Link to ES Tech. Rep. Archives: EID2009-24

Conference Information
Conference Date 2009-10-08 - 2009-10-08 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ITE-HI 
Conference Code 2009-10-IDY-EID-HI-3DIT-LSJ-OQD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Comparison in Performance between Improved Conventional Methods and Cooperative Vision-Model-Based Method in Edge-Enhanced Image Sharpness Evaluation 
Sub Title (in English)  
Keyword(1) Sharpness  
Keyword(2) Evaluation performance  
Keyword(3) Cooperative human vision model  
Keyword(4) Image observation  
Keyword(5) Edge-enhance  
1st Author's Name Toshikazu Matsui  
1st Author's Affiliation Gunma University (Gunma Univ.)
2nd Author's Name Tomohiro Fujita  
2nd Author's Affiliation Gunma University (Gunma Univ.)
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Date Time 2009-10-08 15:00:00 
Presentation Time 30 
Registration for ITE-HI 
Paper # IEICE-EID2009-24 
Volume (vol) IEICE-109 
Number (no) no.223 
Page pp.25-28 
#Pages IEICE-4 
Date of Issue IEICE-EID-2009-10-01 

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