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| Presentation | 2013-02-19 14:20 Region Adaptive Blind PSNR Estimation based on Spatial Frequency Characteristics Takahiro Kumekawa, Jiro Katto (Waseda Univ.), Naofumi Wada (SAMSUNG)  ITS2012-55 IE2012-135 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | PSNR needs original pictures, but this is difficult for CGM contents like YouTube. Therefore, we had developed a blind PSNR estimation method in which multiple SVMs are prepared to learn differently encoded images in PSNR. We also tried a method which divides a frame into two regions by using Saliency Map to estimate PSNR per region. However, this approach sometimes fails because it always tries to extract salient regions in a relative manner even if images are totally flat. Therefore, in this paper, we consider a method which uses AC levels of local small regions to separate input images instead of Saliency Map. Then, we confirm our method provides more stable results even when the previous method fails. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Blind PSNR Estimation / Saliency Map / AC levels / SVM / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 434, IE2012-135, pp. 321-326, Feb. 2013. | |
| Paper # | IE2012-135 | |
| Date of Issue | 2013-02-11 (ITS, IE) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
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 | ITS2012-55 IE2012-135 |
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| Conference Information | |
| Committee | ITS IE ITE-AIT ITE-HI ITE-ME |
| Conference Date | 2013-02-18 - 2013-02-19 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hokkaido Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | ITS Image Processsing, Image Medium, Vision, etc. |
| Paper Information | |
| Registration To | IE |
| Conference Code | 2013-02-ITS-IE-AIT-HI-ME |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Region Adaptive Blind PSNR Estimation based on Spatial Frequency Characteristics |
| Sub Title (in English) | |
| Keyword(1) | Blind PSNR Estimation |
| Keyword(2) | Saliency Map |
| Keyword(3) | AC levels |
| Keyword(4) | SVM |
| Keyword(5) | |
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| 1st Author's Name | Takahiro Kumekawa |
| 1st Author's Affiliation | Waseda University (Waseda Univ.) |
| 2nd Author's Name | Jiro Katto |
| 2nd Author's Affiliation | Waseda University (Waseda Univ.) |
| 3rd Author's Name | Naofumi Wada |
| 3rd Author's Affiliation | Samsung Yokohama Research Institute (SAMSUNG) |
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| Speaker | Author-1 |
| Date Time | 2013-02-19 14:20:00 |
| Presentation Time | 20 minutes |
| Registration for | IE |
| Paper # | ITS2012-55, IE2012-135 |
| Volume (vol) | vol.112 |
| Number (no) | no.433(ITS), no.434(IE) |
| Page | pp.321-326 |
| #Pages | 6 |
| Date of Issue | 2013-02-11 (ITS, IE) |
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