Title:
IMAGE PROCESSING DEVICE AND METHOD
Document Type and Number:
WIPO Patent Application WO/2020/008909
Kind Code:
A1
Abstract:
The present disclosure pertains to an image-processing device and method with which it is possible to minimize a decrease in encoding efficiency. A transform type candidate table that corresponds to an encoding parameter is selected from among a plurality of transform type candidate tables mutually differing in the frequency characteristic of a candidate for the transform type as an element. A transform type applied to a current block is set using the selected transform type candidate table. The coefficient data of the current block is inversely orthogonal-transformed using a transform matrix of the set transform type. This disclosure can be applied to, for example, an image-processing device, an image-encoding device, or an image-decoding device.
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Inventors:
TSUKUBA TAKESHI (JP)
Application Number:
PCT/JP2019/024642
Publication Date:
January 09, 2020
Filing Date:
June 21, 2019
Export Citation:
Assignee:
SONY CORP (JP)
International Classes:
H04N19/12; H04N19/159; H04N19/176; H04N19/46
Domestic Patent References:
| WO2018047669A1 | 2018-03-15 |
Foreign References:
| US20180020218A1 | 2018-01-18 | |||
| US20180332289A1 | 2018-11-15 |
Other References:
JIANLE CHEN ET AL.: "Algorithm Description of Joint Exploration Test Model 7 (JEM 7", JOINT VIDEO EXPLORATION TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11, JVET-G1001-VL, August 2017 (2017-08-01), Torino, IT, pages i - iv 1 - 6 , 28-35, XP055576095
CHIH-WEI HSU ET AL.: "Description of SDR video coding technology proposal by MediaTek", JOINT VIDEO EXPERTS TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11, JVET-J0018, April 2018 (2018-04-01), San Diego, US, pages i - iii, 16-21, XP030151179
SRI NITCHITH AKULA ET AL.: "Description of SDR, HDR and 360° video coding technology proposal considering mobile application scenario by Samsung , Huawei, GoPro, and HiSilicon", JOINT VIDEO EXPLORATION TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11, JVET-J0024, April 2018 (2018-04-01), San Diego, US, pages i - iv, XP055647941
CHIH-WEI HSU ET AL.: "Description of SDR video coding technology proposal by MediaTek", JOINT VIDEO EXPERTS TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11, JVET-J0018, April 2018 (2018-04-01), San Diego, US, pages i - iii, 16-21, XP030151179
SRI NITCHITH AKULA ET AL.: "Description of SDR, HDR and 360° video coding technology proposal considering mobile application scenario by Samsung , Huawei, GoPro, and HiSilicon", JOINT VIDEO EXPLORATION TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11, JVET-J0024, April 2018 (2018-04-01), San Diego, US, pages i - iv, XP055647941
Attorney, Agent or Firm:
NISHIKAWA Takashi et al. (JP)
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