JP7545410B2 - ビデオコーディングのための拡張されたマルチプル変換選択 - Google Patents

ビデオコーディングのための拡張されたマルチプル変換選択 Download PDF

Info

Publication number
JP7545410B2
JP7545410B2 JP2021557963A JP2021557963A JP7545410B2 JP 7545410 B2 JP7545410 B2 JP 7545410B2 JP 2021557963 A JP2021557963 A JP 2021557963A JP 2021557963 A JP2021557963 A JP 2021557963A JP 7545410 B2 JP7545410 B2 JP 7545410B2
Authority
JP
Japan
Prior art keywords
transform
video
current block
block
coding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2021557963A
Other languages
English (en)
Japanese (ja)
Other versions
JP2022526375A (ja
JPWO2020206286A5 (enExample
Inventor
エイイレメゼ、ヒルミ・エネス
セレジン、バディム
サイド、アミール
カルチェビチ、マルタ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of JP2022526375A publication Critical patent/JP2022526375A/ja
Publication of JPWO2020206286A5 publication Critical patent/JPWO2020206286A5/ja
Application granted granted Critical
Publication of JP7545410B2 publication Critical patent/JP7545410B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021557963A 2019-04-05 2020-04-03 ビデオコーディングのための拡張されたマルチプル変換選択 Active JP7545410B2 (ja)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201962830125P 2019-04-05 2019-04-05
US62/830,125 2019-04-05
US201962855398P 2019-05-31 2019-05-31
US62/855,398 2019-05-31
US16/838,553 2020-04-02
US16/838,553 US11240534B2 (en) 2019-04-05 2020-04-02 Extended multiple transform selection for video coding
PCT/US2020/026620 WO2020206286A1 (en) 2019-04-05 2020-04-03 Extended multiple transform selection for video coding

Publications (3)

Publication Number Publication Date
JP2022526375A JP2022526375A (ja) 2022-05-24
JPWO2020206286A5 JPWO2020206286A5 (enExample) 2023-03-14
JP7545410B2 true JP7545410B2 (ja) 2024-09-04

Family

ID=72663297

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021557963A Active JP7545410B2 (ja) 2019-04-05 2020-04-03 ビデオコーディングのための拡張されたマルチプル変換選択

Country Status (8)

Country Link
US (2) US11240534B2 (enExample)
EP (1) EP3949399A1 (enExample)
JP (1) JP7545410B2 (enExample)
KR (1) KR20210142642A (enExample)
CN (2) CN113632472A (enExample)
BR (1) BR112021018855A2 (enExample)
SG (1) SG11202109470VA (enExample)
WO (1) WO2020206286A1 (enExample)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019004749A1 (ko) * 2017-06-28 2019-01-03 엘지전자 주식회사 비디오 압축을 위한 변환 커널의 저복잡도 연산을 수행하는 방법 및 장치
US11240534B2 (en) 2019-04-05 2022-02-01 Qualcomm Incorporated Extended multiple transform selection for video coding
AU2019232801A1 (en) 2019-09-17 2021-04-01 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a block of video samples
US11252410B2 (en) * 2019-06-11 2022-02-15 Tencent America LLC Method and apparatus for video coding
US11695960B2 (en) 2019-06-14 2023-07-04 Qualcomm Incorporated Transform and last significant coefficient position signaling for low-frequency non-separable transform in video coding
ES3040198T3 (en) * 2019-06-19 2025-10-29 Lg Electronics Inc Signaling of information indicating transform kernel set in image coding
US12126835B2 (en) * 2019-06-21 2024-10-22 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for non-separable transform selection in an encoder and decoder
US11949870B2 (en) 2019-06-21 2024-04-02 Qualcomm Incorporated Context modeling for low-frequency non-separable transformation signaling for video coding
WO2021023552A1 (en) * 2019-08-06 2021-02-11 Interdigital Vc Holdings France, Sas Secondary transform for video encoding and decoding
WO2021048077A1 (en) * 2019-09-13 2021-03-18 Interdigital Vc Holdings France, Sas Transform size interactions with coding tools
EP4543000A3 (en) * 2019-09-16 2025-06-04 InterDigital CE Patent Holdings, SAS Secondary transform for fast video encoder
CN117459743A (zh) * 2019-09-21 2024-01-26 Lg电子株式会社 图像编码/解码方法、存储介质及数据发送方法
BR122023020425A2 (pt) * 2019-10-04 2024-02-27 Lg Electronics Inc Aparelho de decodificação/ codificação para decodificação/codificação de imagens e aparelho para transmissão de dados para uma imagem
CN114830655B (zh) * 2019-12-12 2023-08-18 寰发股份有限公司 视频编解码的方法与装置
WO2021141443A1 (ko) * 2020-01-10 2021-07-15 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
CN115668923A (zh) * 2020-05-27 2023-01-31 抖音视界有限公司 编解码视频中多重变换矩阵的指示
US11683490B2 (en) * 2020-09-10 2023-06-20 Tencent America LLC Context adaptive transform set
US11924471B2 (en) * 2020-11-12 2024-03-05 Qualcomm Incorporated Context-based transform index signaling in video coding
EP4397041A4 (en) * 2021-08-30 2024-12-18 Tencent America LLC METHOD AND APPARATUS FOR SECONDARY TRANSFORMATION WITH ADAPTIVE KERNEL OPTIONS
US12003731B2 (en) 2021-09-29 2024-06-04 Qualcomm Incorporated Adaptive determination of multiple transform candidates for video coding
US12452423B2 (en) * 2021-12-03 2025-10-21 Intel Corporation Low frequency non-separable transform and multiple transform selection deadlock prevention
CN114422782B (zh) * 2021-12-23 2023-09-19 北京达佳互联信息技术有限公司 视频编码方法、装置、存储介质及电子设备
CN118511519A (zh) * 2022-01-07 2024-08-16 联发科技股份有限公司 变换编解码的信号
WO2024005614A1 (ko) * 2022-07-01 2024-01-04 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
CN119999215A (zh) * 2022-10-12 2025-05-13 Lg 电子株式会社 视频编码/解码方法和设备、以及存储比特流的记录介质
WO2024080797A1 (ko) * 2022-10-12 2024-04-18 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
CN120569961A (zh) * 2023-01-24 2025-08-29 Oppo广东移动通信有限公司 索引至不可分变换核的帧内预测模式的确定
CN121040055A (zh) * 2023-04-06 2025-11-28 交互数字Ce专利控股有限公司 用于低延迟应用的不可分离变换
US20250175644A1 (en) * 2023-11-28 2025-05-29 Tencent America LLC Systems and methods for applying non-separable transforms on inter prediction residuals
WO2025116668A1 (ko) * 2023-11-30 2025-06-05 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
US20250233992A1 (en) * 2024-01-12 2025-07-17 Tencent America LLC List construction and signaling of transform types and transform sets
WO2025209169A1 (en) * 2024-04-03 2025-10-09 Mediatek Inc. Methods and apparatus for low-frequency non-separable transform with multiple transform sets in a video coding system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180020218A1 (en) 2016-07-15 2018-01-18 Qualcomm Incorporated Look-up table for enhanced multiple transform
WO2018066988A1 (ko) 2016-10-04 2018-04-12 김기백 영상 데이터 부호화/복호화 방법 및 장치
WO2019009129A1 (ja) 2017-07-03 2019-01-10 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法及び復号方法
WO2019027302A1 (ko) 2017-08-04 2019-02-07 엘지전자 주식회사 비디오 압축을 위한 변환을 구성하는 방법 및 장치

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120046725A (ko) * 2009-08-06 2012-05-10 파나소닉 주식회사 부호화 방법, 복호 방법, 부호화 장치 및 복호 장치
US8063801B2 (en) * 2010-02-26 2011-11-22 Research In Motion Limited Encoding and decoding methods and devices using a secondary codeword indicator
US9661338B2 (en) * 2010-07-09 2017-05-23 Qualcomm Incorporated Coding syntax elements for adaptive scans of transform coefficients for video coding
CN109257596B (zh) * 2011-11-11 2023-06-13 Ge视频压缩有限责任公司 解码器、编码器及重构、编码、解码、传送和处理方法
US9332257B2 (en) * 2012-10-01 2016-05-03 Qualcomm Incorporated Coded black flag coding for 4:2:2 sample format in video coding
CN105580361A (zh) * 2013-09-27 2016-05-11 高通股份有限公司 用于深度帧内预测模式的残余译码
US10306229B2 (en) * 2015-01-26 2019-05-28 Qualcomm Incorporated Enhanced multiple transforms for prediction residual
US10681379B2 (en) 2015-09-29 2020-06-09 Qualcomm Incorporated Non-separable secondary transform for video coding with reorganizing
US10448053B2 (en) * 2016-02-15 2019-10-15 Qualcomm Incorporated Multi-pass non-separable transforms for video coding
US10349085B2 (en) 2016-02-15 2019-07-09 Qualcomm Incorporated Efficient parameter storage for compact multi-pass transforms
US11095893B2 (en) 2016-10-12 2021-08-17 Qualcomm Incorporated Primary transform and secondary transform in video coding
US10863199B2 (en) 2018-03-26 2020-12-08 Qualcomm Incorporated Minimization of transform memory and latency via parallel factorizations
US10986340B2 (en) * 2018-06-01 2021-04-20 Qualcomm Incorporated Coding adaptive multiple transform information for video coding
US10986334B2 (en) * 2019-03-09 2021-04-20 Tencent America LLC Method and apparatus for video coding
US11616966B2 (en) * 2019-04-03 2023-03-28 Mediatek Inc. Interaction between core transform and secondary transform
US11240534B2 (en) 2019-04-05 2022-02-01 Qualcomm Incorporated Extended multiple transform selection for video coding

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180020218A1 (en) 2016-07-15 2018-01-18 Qualcomm Incorporated Look-up table for enhanced multiple transform
WO2018066988A1 (ko) 2016-10-04 2018-04-12 김기백 영상 데이터 부호화/복호화 방법 및 장치
WO2019009129A1 (ja) 2017-07-03 2019-01-10 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法及び復号方法
WO2019027302A1 (ko) 2017-08-04 2019-02-07 엘지전자 주식회사 비디오 압축을 위한 변환을 구성하는 방법 및 장치

Non-Patent Citations (9)

* Cited by examiner, † Cited by third party
Title
B. Bross, et al.，"Non-CE8: Unified Transform Type Signalling and Residual Coding for Transform Skip"，Document: JVET-M0464-v4, [online]，JVET-M0464 (version 4)，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，2019年01月15日，Pages 1-13，[令和5年10月31日検索], インターネット, <URL: https://jvet-experts.org/doc_end_user/current_document.php?id=5273> and <URL: https://jvet-experts.org/doc_end_user/documents/13_Marrakech/wg11/JVET-M0464-v4.zip>.，(See document file "JVET-M0464-v4.docx" in the zip file "JVET-M0464-v4.zip".)
Hilmi E. Egilmez, et al.，"CE6.3.3: Secondary Transforms Coupled with a Simplified Primary Transformation"，Document: JVET-L0387-v2, [online]，JVET-L0387 (version 2)，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，2018年09月26日，Pages 1-5，[令和6年2月20日検索], インターネット, <URL: https://jvet-experts.org/doc_end_user/current_document.php?id=4484> and <URL: https://jvet-experts.org/doc_end_user/documents/12_Macao/wg11/JVET-L0387-v2.zip>.，(See document file "JVET-L0387.docx" in the zip file "JVET-L0387-v2.zip".)
Jianle Chen, et al.，"Algorithm description for Versatile Video Coding and Test Model 2 (VTM 2)"，Document: JVET-K1002-v2, [online]，JVET-K1002 (version 3)，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，2018年10月02日，Pages 1,19-21，[令和5年10月31日検索], インターネット, <URL: https://jvet-experts.org/doc_end_user/current_document.php?id=4117> and <URL: https://jvet-experts.org/doc_end_user/documents/11_Ljubljana/wg11/JVET-K1002-v3.zip>.，(See document file "JVET-K1002-v2.docx" in the zip file "JVET-K1002-v3.zip".)
Jianle Chen, et al.，"Algorithm Description of Joint Exploration Test Model 2"，Document: JVET-B1001_v3, [online]，JVET-B1001 (version 3)，Joint Video Exploration Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，2016年03月25日，Pages 21-23，[令和4年8月9日検索], インターネット, <URL: https://jvet-experts.org/doc_end_user/current_document.php?id=2616> and <URL: https://jvet-experts.org/doc_end_user/documents/2_San%20Diego/wg11/JVET-B1001-v3.zip>.，(See document file "JVET-B1001_V3.doc" in the zip file "JVET-B1001-v3.zip".).
Kiyofumi Abe, et al.，"CE6: AMT and NSST complexity reduction (CE6-3.3)"，Document: JVET-K0127-v1, [online]，JVET-K0127 (version 1)，Joint Video Exploration Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，2018年07月02日，Pages 1-6，[令和6年2月20日検索], インターネット, <URL: https://jvet-experts.org/doc_end_user/current_document.php?id=3632> and <URL: https://jvet-experts.org/doc_end_user/documents/11_Ljubljana/wg11/JVET-K0127-v1.zip>.，(See document file "JVET-K0127.doc" in the zip file "JVET-K0127-v1.zip".)
Moonmo Koo, et al.，"CE6: Reduced Secondary Transform (RST) (CE6-3.1)"，Document: JVET-N0193, [online]，JVET-N0193 (version 3)，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，2019年03月16日，Pages 1-19，[令和5年10月31日検索], インターネット, <URL: https://jvet-experts.org/doc_end_user/current_document.php?id=5913> and <URL: https://jvet-experts.org/doc_end_user/documents/14_Geneva/wg11/JVET-N0193-v3.zip>.，(See document file "JVET-N0193_r3.docx" in the zip file "JVET-N0193-v3.zip".)
Tadamasa Toma, et al.，"Description of SDR video coding technology proposal by Panasonic"，Document: JVET-J0020-v1, [online]，JVET-J0020 (version 2)，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，2018年04月11日，Pages 10 and 11，[令和6年2月20日検索], インターネット, <URL: https://jvet-experts.org/doc_end_user/current_document.php?id=3444> and <URL: https://jvet-experts.org/doc_end_user/documents/10_San%20Diego/wg11/JVET-J0020-v2.zip>.，(See document file "JVET-J0020-v1.docx" in the zip file "JVET-J0020-v2.zip".)
Xin Zhao, et al.，"Coupled primary and secondary transform"，Document: JVET-J0054-v2, [online]，JVET-J0054 (version 2)，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，2018年04月08日，Pages 1-4，[令和6年7月23日検索], インターネット, <URL: https://jvet-experts.org/doc_end_user/current_document.php?id=3463> and <URL: https://jvet-experts.org/doc_end_user/documents/10_San%20Diego/wg11/JVET-J0054-v2.zip>.，(See document file "JVET-J0054-v2.docx" in the zip file "JVET-J0054-v2.zip".)
Yi-Wen Chen, et al.，"Description of SDR, HDR and 360°video coding technology proposal by Qualcomm and Technicolor - low and high complexity versions"，Document: JVET-J0021, [online]，JVET-J0021 (version 2)，Joint Video Exploration Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，2018年04月06日，Pages 1-3,8,9，[令和6年2月20日検索], インターネット, <URL: https://jvet-experts.org/doc_end_user/current_document.php?id=3423> and <URL: https://jvet-experts.org/doc_end_user/documents/10_San%20Diego/wg11/JVET-J0021-v2.zip>.，(See document file "JVET-J0021_r1.doc" in the zip file "JVET-J0021-v2.zip".)

Also Published As

Publication number Publication date
BR112021018855A2 (pt) 2021-11-30
CN119865607A (zh) 2025-04-22
US11240534B2 (en) 2022-02-01
CN113632472A (zh) 2021-11-09
WO2020206286A1 (en) 2020-10-08
EP3949399A1 (en) 2022-02-09
SG11202109470VA (en) 2021-10-28
JP2022526375A (ja) 2022-05-24
US20220030278A1 (en) 2022-01-27
US11683527B2 (en) 2023-06-20
US20200322636A1 (en) 2020-10-08
KR20210142642A (ko) 2021-11-25

Similar Documents

Publication Publication Date Title
JP7545410B2 (ja) ビデオコーディングのための拡張されたマルチプル変換選択
CN112204969B (zh) 用于视频编解码的编解码自适应多重变换信息
US11202101B2 (en) Grouped coding for palette syntax in video coding
CN112425164B (zh) 多个可分离变换选择的变换变体
EP4018654A1 (en) Low-frequency non-separable transform (lfnst) signaling
JP7455840B2 (ja) ビデオコーディングのためのツリーベース変換ユニット（ｔｕ）区分
AU2020235621A1 (en) Implicit transform selection in video coding
AU2020301234A1 (en) Nonlinear extensions of adaptive loop filtering for video coding
JP7730820B2 (ja) マージ推定領域のための履歴ベースの動きベクトル予測子制約
EP4078976A1 (en) Coefficient group based restriction on multiple transform selection signaling in video coding
KR20240087720A (ko) 비디오 코딩을 위한 다수의 변환 후보들의 적응적 결정
EP4049455A1 (en) Parametric graph-based separable transforms for video coding
HK40057742A (en) Extended multiple transform selection for video coding
HK40058354A (en) Implicit transform selection in video coding

Legal Events

Date Code Title Description
RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20230104

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230303

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20230303

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20240305

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240605

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20240730

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20240823

R150 Certificate of patent or registration of utility model

Ref document number: 7545410

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150