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| Paper Abstract and Keywords | ||
| Presentation | 2018-02-15 14:45 Subjective assessment of video noise reduction with non-recursive temporal filter Chinatsu Mori, Aya Kubota, Seiichi Gohshi (Kogakuin Univ.)  ITS2017-73 IE2017-105 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Although 4K/8K have higher resolution than HDTV, noise is also higher than that of HDTV. Noise is caused by the smaller sizes of photoelectric because small cells receive less photons. In principle, 4K/8K videos have more noise than that of HDTV. Noise reducer (NR) is one way to reduce noise in videos; however, the noise reduction process also reduces high frequency elements as well in the video. The conventional NR employs a recursive temporal filter. Although it is widely used, it generates degradation such as motion areas blur and trailing. One of authors proposed a non-recursive type NR algorithm; however, the proposed NR has not been compared with the conventional one with a quantitative quality test. In this study, a subjective assessment was conducted to prove the ability of proposed NR algorithm. The results show that the proposed NR algorithm is good for resolution-preserving, and noise-reducing. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Video / Noise Reducer / Non-Recursive Temporal Filter / Subjective Assessment / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 432, IE2017-105, pp. 71-76, Feb. 2018. | |
| Paper # | IE2017-105 | |
| Date of Issue | 2018-02-08 (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 | ITS2017-73 IE2017-105 |
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| Conference Information | |
| Committee | ITS IE ITE-MMS ITE-HI ITE-ME ITE-AIT |
| Conference Date | 2018-02-15 - 2018-02-16 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hokkaido Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Image Processing, etc. |
| Paper Information | |
| Registration To | IE |
| Conference Code | 2018-02-ITS-IE-MMS-HI-ME-AIT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Subjective assessment of video noise reduction with non-recursive temporal filter |
| Sub Title (in English) | |
| Keyword(1) | Video |
| Keyword(2) | Noise Reducer |
| Keyword(3) | Non-Recursive Temporal Filter |
| Keyword(4) | Subjective Assessment |
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| 1st Author's Name | Chinatsu Mori |
| 1st Author's Affiliation | Kogakuin University (Kogakuin Univ.) |
| 2nd Author's Name | Aya Kubota |
| 2nd Author's Affiliation | Kogakuin University (Kogakuin Univ.) |
| 3rd Author's Name | Seiichi Gohshi |
| 3rd Author's Affiliation | Kogakuin University (Kogakuin Univ.) |
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| Speaker | Author-1 |
| Date Time | 2018-02-15 14:45:00 |
| Presentation Time | 15 minutes |
| Registration for | IE |
| Paper # | ITS2017-73, IE2017-105 |
| Volume (vol) | vol.117 |
| Number (no) | no.431(ITS), no.432(IE) |
| Page | pp.71-76 |
| #Pages | 6 |
| Date of Issue | 2018-02-08 (ITS, IE) |
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