| Paper Abstract and Keywords |
| Presentation |
2022-11-11 09:35
Predictive Coding of UHDTV using Local-Decoded Images with Different Degree of Blur in Each Coding Unit
Yasutaka Matsuo (NES) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
Video coding efficiency is degrade in case of degree of blur is different between current picture and its reference picture, because degrade accuracy of intra and inter predictions. To improve the video coding efficiency in such case, I propose an advanced method of these predictions. The proposed method generates sharpened and blurred images of a local-decoded image in each coding unit of these predictions. These sharpened and blurred images are utilized for these predictions in addition conventionally used local-decoded image. These three images are selected according to the rate-distortion optimization processing in video codec. Experiments calculate the Bjøntegaard Delta-Rate by using videos with degree of blur different for intra and inter pictures. In consideration section, the experiment results are analyzed in detail for example selection ratio is calculated of the sharpened and blurred images in the proposed method. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
Predictive Coding / Sharpened Image / Blurred Image / Coding Unit / Local-Decoded Image / / / |
| Reference Info. |
ITE Tech. Rep., vol. 46, no. 35, BCT2022-56, pp. 41-44, Nov. 2022. |
| Paper # |
BCT2022-56 |
| Date of Issue |
2022-11-03 (BCT) |
| ISSN |
Print edition: ISSN 1342-6893 Online edition: ISSN 2424-1970 |
| Download PDF |
|
| Conference Information |
| Committee |
BCT IEICE-OCS IEE-CMN IEICE-OFT |
| Conference Date |
2022-11-10 - 2022-11-11 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Forest-Sendai |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
|
| Paper Information |
| Registration To |
BCT |
| Conference Code |
2022-11-BCT-OCS-CMN-OFT |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Predictive Coding of UHDTV using Local-Decoded Images with Different Degree of Blur in Each Coding Unit |
| Sub Title (in English) |
|
| Keyword(1) |
Predictive Coding |
| Keyword(2) |
Sharpened Image |
| Keyword(3) |
Blurred Image |
| Keyword(4) |
Coding Unit |
| Keyword(5) |
Local-Decoded Image |
| Keyword(6) |
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| Keyword(7) |
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| 1st Author's Name |
Yasutaka Matsuo |
| 1st Author's Affiliation |
NHK Engineering System (NES) |
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| Speaker |
Author-1 |
| Date Time |
2022-11-11 09:35:00 |
| Presentation Time |
25 minutes |
| Registration for |
BCT |
| Paper # |
BCT2022-56 |
| Volume (vol) |
vol.46 |
| Number (no) |
no.35 |
| Page |
pp.41-44 |
| #Pages |
4 |
| Date of Issue |
2022-11-03 (BCT) |