Title:
画像復号装置、画像復号方法及びプログラム
Document Type and Number:
Japanese Patent JP6912522
Kind Code:
B2
Abstract:
An image decoding device (200) includes: an inverse transform unit (220B/220C) configured to generate a prediction residual signal by inverse transform, the inverse transform unit (220B/220C) is configured to control a method of decoding a secondary transform index of a target block according to information indicating a position where a non-zero coefficient is generated in the target block.
Inventors:
Yoshitaka Kitani
Kyohei Unno
Kei Kawamura
Naito Sei
Kyohei Unno
Kei Kawamura
Naito Sei
Application Number:
JP2019116786A
Publication Date:
August 04, 2021
Filing Date:
June 24, 2019
Export Citation:
Assignee:
KDDI CORPORATION
International Classes:
H04N19/70; H04N19/61
Other References:
SIEKMANN, Mischa et al.,CE6-2.1: Simplification of Low Frequency Non-Separable Transform,Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3and ISO/IEC JTC 1/SC 29/WG 11 15th Meeting: Gothenburg, SE, 3-12 July 2019,[JVET-O0094],2019年 6月18日,JVET-O0094 (version 1),pp. 1-7
KOO, Moonmo et al.,CE6: Reduced Secondary Transform (RST) (CE6-3.1),Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 14th Meeting: Geneva, CH, 19-27 March 2019, [JVET-N0193],2019年 3月27日,JVET-N0193(version 5),pp. 1-19
KIDANI, Yoshitaka et al.,CE6-related: Signalling of Low Frequency Non-Separable Transform,Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3and ISO/IEC JTC 1/SC 29/WG 11 15th Meeting: Gothenburg, SE, 3-12 July 2019,[JVET-O0410-v3],2019年 7月 4日,JVET-O0410 (version 3),pp. 1-8
KOO, Moonmo et al.,CE6: Reduced Secondary Transform (RST) (CE6-3.1),Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 14th Meeting: Geneva, CH, 19-27 March 2019, [JVET-N0193],2019年 3月27日,JVET-N0193(version 5),pp. 1-19
KIDANI, Yoshitaka et al.,CE6-related: Signalling of Low Frequency Non-Separable Transform,Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3and ISO/IEC JTC 1/SC 29/WG 11 15th Meeting: Gothenburg, SE, 3-12 July 2019,[JVET-O0410-v3],2019年 7月 4日,JVET-O0410 (version 3),pp. 1-8
Attorney, Agent or Firm:
Felicite Patent Business Corporation
Curries Patent Business Corporation
Curries Patent Business Corporation