JP7578591B2 - ビデオ符号化または復号のための方法、装置及びコンピュータ・プログラム - Google Patents

ビデオ符号化または復号のための方法、装置及びコンピュータ・プログラム Download PDF

Info

Publication number
JP7578591B2
JP7578591B2 JP2021528423A JP2021528423A JP7578591B2 JP 7578591 B2 JP7578591 B2 JP 7578591B2 JP 2021528423 A JP2021528423 A JP 2021528423A JP 2021528423 A JP2021528423 A JP 2021528423A JP 7578591 B2 JP7578591 B2 JP 7578591B2
Authority
JP
Japan
Prior art keywords
cclm
sample
samples
adjacent
video sequence
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
JP2021528423A
Other languages
English (en)
Japanese (ja)
Other versions
JP2022508161A (ja
Inventor
リャン・ジャオ
シン・ジャオ
シアン・リ
シャン・リュウ
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.)
Tencent America LLC
Original Assignee
Tencent America LLC
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 Tencent America LLC filed Critical Tencent America LLC
Publication of JP2022508161A publication Critical patent/JP2022508161A/ja
Priority to JP2024114077A priority Critical patent/JP2024138009A/ja
Application granted granted Critical
Publication of JP7578591B2 publication Critical patent/JP7578591B2/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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
    • H04N19/102—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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/10—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
    • H04N19/186—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 a colour or a chrominance component
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021528423A 2018-12-18 2019-12-11 ビデオ符号化または復号のための方法、装置及びコンピュータ・プログラム Active JP7578591B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2024114077A JP2024138009A (ja) 2018-12-18 2024-07-17 ビデオ符号化または復号のための方法および装置

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
US201862781316P 2018-12-18 2018-12-18
US62/781,316 2018-12-18
US201862785678P 2018-12-27 2018-12-27
US62/785,678 2018-12-27
US201962788729P 2019-01-04 2019-01-04
US62/788,729 2019-01-04
US201962789992P 2019-01-08 2019-01-08
US62/789,992 2019-01-08
US16/523,258 2019-07-26
US16/523,258 US11095921B2 (en) 2018-12-18 2019-07-26 Method and apparatus for video encoding or decoding
PCT/US2019/065627 WO2020131512A1 (en) 2018-12-18 2019-12-11 Method and apparatus for video encoding or decoding

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2024114077A Division JP2024138009A (ja) 2018-12-18 2024-07-17 ビデオ符号化または復号のための方法および装置

Publications (2)

Publication Number Publication Date
JP2022508161A JP2022508161A (ja) 2022-01-19
JP7578591B2 true JP7578591B2 (ja) 2024-11-06

Family

ID=71072041

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2021528423A Active JP7578591B2 (ja) 2018-12-18 2019-12-11 ビデオ符号化または復号のための方法、装置及びコンピュータ・プログラム
JP2024114077A Pending JP2024138009A (ja) 2018-12-18 2024-07-17 ビデオ符号化または復号のための方法および装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2024114077A Pending JP2024138009A (ja) 2018-12-18 2024-07-17 ビデオ符号化または復号のための方法および装置

Country Status (6)

Country Link
US (4) US11095921B2 (https=)
EP (1) EP3777146A1 (https=)
JP (2) JP7578591B2 (https=)
KR (3) KR102715060B1 (https=)
CN (2) CN118555387A (https=)
WO (1) WO2020131512A1 (https=)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2571313B (en) * 2018-02-23 2022-09-21 Canon Kk New sample sets and new down-sampling schemes for linear component sample prediction
WO2019221465A1 (ko) 2018-05-14 2019-11-21 인텔렉추얼디스커버리 주식회사 영상 복호화 방법/장치, 영상 부호화 방법/장치 및 비트스트림을 저장한 기록 매체
CN116347109A (zh) * 2018-08-17 2023-06-27 北京字节跳动网络技术有限公司 一种处理视频数据的方法和装置
CN117478883A (zh) 2018-09-12 2024-01-30 北京字节跳动网络技术有限公司 交叉分量线性模型中的尺寸相关的下采样
CN117640955A (zh) 2018-11-06 2024-03-01 北京字节跳动网络技术有限公司 帧内预测的简化参数推导
WO2020108591A1 (en) 2018-12-01 2020-06-04 Beijing Bytedance Network Technology Co., Ltd. Parameter derivation for intra prediction
KR102676917B1 (ko) 2018-12-07 2024-06-19 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 컨텍스트 기반 인트라 예측
US11909977B2 (en) * 2018-12-21 2024-02-20 Vid Scale, Inc. Methods, architectures, apparatuses and systems directed to improved linear model estimation for template based video coding
WO2020125794A1 (en) * 2018-12-22 2020-06-25 Beijing Bytedance Network Technology Co., Ltd. Two step cross-component prediction mode
PL3900332T3 (pl) * 2018-12-31 2024-11-04 Huawei Technologies Co., Ltd. Sposób i urządzenie do międzyskładnikowego modelowania liniowego na potrzeby predykcji wewnątrzobrazowej
CN116546217A (zh) * 2019-01-02 2023-08-04 Oppo广东移动通信有限公司 解码预测方法、装置及计算机存储介质
KR20260047625A (ko) * 2019-01-16 2026-04-08 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 정보 처리 방법 및 장치, 기기, 저장 매체
CN113170152B (zh) * 2019-01-18 2023-07-07 华为技术有限公司 用于预测译码的局部亮度补偿的方法和装置
EP3903482A4 (en) 2019-02-22 2022-06-01 Beijing Bytedance Network Technology Co., Ltd. SELECTING ADJACENT SAMPLES FOR INTRA PREDICTION
CN113491121B (zh) * 2019-02-24 2022-12-06 北京字节跳动网络技术有限公司 对视频数据进行编解码的方法、设备及计算机可读介质
CN113767631B (zh) 2019-03-24 2023-12-15 北京字节跳动网络技术有限公司 用于帧内预测的参数推导中的条件
GB2586484B (en) * 2019-08-20 2023-03-08 Canon Kk A filter
KR20220157765A (ko) * 2021-05-21 2022-11-29 삼성전자주식회사 영상 부호화 장치 및 이의 동작 방법
CN113473144B (zh) * 2021-07-15 2024-07-26 无锡思朗电子科技有限公司 一种yuv4:4:4图像传输的方法
WO2023091290A1 (en) * 2021-11-17 2023-05-25 Tencent America LLC Adaptive application of generalized sample offset
EP4510583A4 (en) * 2022-04-12 2026-01-28 Guangdong Oppo Mobile Telecommunications Corp Ltd Encoding method and apparatus, decoding method and apparatus, encoding device, decoding device and recording medium
JP2025513778A (ja) * 2022-04-13 2025-04-30 オッポ広東移動通信有限公司 ビデオエンコーディング・デコーディング方法、装置、デバイス、システム、及び記憶媒体
JP2025520355A (ja) * 2022-06-20 2025-07-03 オッポ広東移動通信有限公司 局所照明補償方法、ビデオコーディング方法、装置及びシステム
US12425572B2 (en) * 2022-10-20 2025-09-23 Tencent America LLC Local illumination compensation
WO2025042869A1 (en) * 2023-08-22 2025-02-27 Beijing Dajia Internet Information Technology Co., Ltd. Improved cross component residual prediction

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015008341A (ja) 2011-10-31 2015-01-15 三菱電機株式会社 動画像符号化装置、動画像復号装置、動画像符号化方法及び動画像復号方法
WO2018053293A1 (en) 2016-09-15 2018-03-22 Qualcomm Incorporated Linear model chroma intra prediction for video coding
JP2018174567A (ja) 2013-06-18 2018-11-08 シャープ株式会社 照度補償装置、画像復号装置、画像符号化装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9848197B2 (en) 2011-03-10 2017-12-19 Qualcomm Incorporated Transforms in video coding
US9288500B2 (en) * 2011-05-12 2016-03-15 Texas Instruments Incorporated Luma-based chroma intra-prediction for video coding
GB2492130A (en) * 2011-06-22 2012-12-26 Canon Kk Processing Colour Information in an Image Comprising Colour Component Sample Prediction Being Based on Colour Sampling Format
US10462480B2 (en) * 2014-12-31 2019-10-29 Microsoft Technology Licensing, Llc Computationally efficient motion estimation
US10484712B2 (en) * 2016-06-08 2019-11-19 Qualcomm Incorporated Implicit coding of reference line index used in intra prediction
US10419757B2 (en) 2016-08-31 2019-09-17 Qualcomm Incorporated Cross-component filter
US10382781B2 (en) * 2016-09-28 2019-08-13 Qualcomm Incorporated Interpolation filters for intra prediction in video coding
US11025903B2 (en) * 2017-01-13 2021-06-01 Qualcomm Incorporated Coding video data using derived chroma mode
WO2019060443A1 (en) * 2017-09-20 2019-03-28 Vid Scale, Inc. HANDLING FACIAL DISCONTINUITIES IN 360-DEGREE VIDEO CODING

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015008341A (ja) 2011-10-31 2015-01-15 三菱電機株式会社 動画像符号化装置、動画像復号装置、動画像符号化方法及び動画像復号方法
JP2018174567A (ja) 2013-06-18 2018-11-08 シャープ株式会社 照度補償装置、画像復号装置、画像符号化装置
WO2018053293A1 (en) 2016-09-15 2018-03-22 Qualcomm Incorporated Linear model chroma intra prediction for video coding

Also Published As

Publication number Publication date
US20230217044A1 (en) 2023-07-06
JP2022508161A (ja) 2022-01-19
JP2024138009A (ja) 2024-10-07
US20240121444A1 (en) 2024-04-11
EP3777146A4 (en) 2021-02-17
WO2020131512A1 (en) 2020-06-25
CN112889279A (zh) 2021-06-01
CN118555387A (zh) 2024-08-27
CN112889279B (zh) 2024-05-17
KR20240090457A (ko) 2024-06-21
US11638039B2 (en) 2023-04-25
KR102715060B1 (ko) 2024-10-11
KR20210088685A (ko) 2021-07-14
US20200195976A1 (en) 2020-06-18
EP3777146A1 (en) 2021-02-17
US12356019B2 (en) 2025-07-08
KR20230165379A (ko) 2023-12-05
KR102668128B1 (ko) 2024-05-23
US11882313B2 (en) 2024-01-23
US11095921B2 (en) 2021-08-17
US20210344966A1 (en) 2021-11-04
KR102608275B1 (ko) 2023-11-30

Similar Documents

Publication Publication Date Title
JP7578591B2 (ja) ビデオ符号化または復号のための方法、装置及びコンピュータ・プログラム
JP7524387B2 (ja) ビデオ符号化又は復号の方法及び装置並びにコンピュータプログラム
JP7495564B2 (ja) イントラインター予測モードを改善するための方法及び装置、並びにコンピュータプログラム
JP7704813B2 (ja) ビデオコーディングのための方法、装置、およびプログラム
KR102506416B1 (ko) 다중 라인 인트라 예측을 위한 인트라 보간 필터
JP7776204B2 (ja) ビデオコーディングのための方法および装置
JP7744396B2 (ja) 簡略化された最確モードリスト生成スキーム
JP7331218B2 (ja) 統合位置依存予測組み合わせプロセスを使用するデコードのための方法、装置およびコンピュータ・プログラム
JP7490843B2 (ja) イントラピクチャブロック補償のための予測候補リストサイズシグナリングのための方法および装置
JP7767483B2 (ja) ビデオコーディングのための方法、装置及びプログラム
JP7514325B2 (ja) ビデオコーディングのための方法、装置、非一時的コンピュータ可読記憶媒体およびコンピュータプログラム
JP7495563B2 (ja) マルチラインイントラ予測のためのモードリストを生成する方法、並びにその装置及びコンピュータプログラム
JP2025111550A (ja) デコーダが実行するビデオデコーディングの方法、装置、及びプログラム、並びにエンコーダが実行するビデオコーディングの方法
HK40046221A (en) Video sequence encoding and decoding method, apparatus, computer equipment and storage medium

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210520

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20210520

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20220530

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220830

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20221212

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230313

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230619

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20230919

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20231120

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20231218

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20240318

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240705

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20240717

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: 20240924

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20241024

R150 Certificate of patent or registration of utility model

Ref document number: 7578591

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150