ZA202106159B - Entropy coding for video encoding and decoding - Google Patents

Entropy coding for video encoding and decoding

Info

Publication number
ZA202106159B
ZA202106159B ZA2021/06159A ZA202106159A ZA202106159B ZA 202106159 B ZA202106159 B ZA 202106159B ZA 2021/06159 A ZA2021/06159 A ZA 2021/06159A ZA 202106159 A ZA202106159 A ZA 202106159A ZA 202106159 B ZA202106159 B ZA 202106159B
Authority
ZA
South Africa
Prior art keywords
decoding
video encoding
entropy coding
syntax element
encoding
Prior art date
Application number
ZA2021/06159A
Other languages
English (en)
Inventor
Chen Ya
LELEANNEC Fabrice
Poirier Tangi
Original Assignee
Interdigital Vc Holdings 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 Interdigital Vc Holdings Inc filed Critical Interdigital Vc Holdings Inc
Publication of ZA202106159B publication Critical patent/ZA202106159B/en

Links

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
    • H04N19/90—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
    • 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
ZA2021/06159A 2019-03-11 2021-08-25 Entropy coding for video encoding and decoding ZA202106159B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP19305279 2019-03-11
PCT/US2020/021150 WO2020185500A1 (en) 2019-03-11 2020-03-05 Entropy coding for video encoding and decoding

Publications (1)

Publication Number Publication Date
ZA202106159B true ZA202106159B (en) 2024-12-18

Family

ID=67437148

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2021/06159A ZA202106159B (en) 2019-03-11 2021-08-25 Entropy coding for video encoding and decoding

Country Status (10)

Country Link
US (3) US11962807B2 (https=)
EP (1) EP3939325A1 (https=)
JP (2) JP7617013B2 (https=)
KR (1) KR20210128497A (https=)
CN (3) CN119653117A (https=)
CA (1) CA3132160A1 (https=)
SG (1) SG11202109076QA (https=)
TW (2) TW202541506A (https=)
WO (1) WO2020185500A1 (https=)
ZA (1) ZA202106159B (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102635047B1 (ko) * 2018-09-19 2024-02-07 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 적응적 움직임 벡터 해상도를 가지는 어파인 모드에 대한 구문 재사용
WO2020156517A1 (en) 2019-01-31 2020-08-06 Beijing Bytedance Network Technology Co., Ltd. Fast algorithms for symmetric motion vector difference coding mode
KR20210128497A (ko) * 2019-03-11 2021-10-26 인터디지털 브이씨 홀딩스 인코포레이티드 비디오 인코딩 및 디코딩을 위한 엔트로피 코딩
WO2023197104A1 (zh) * 2022-04-11 2023-10-19 Oppo广东移动通信有限公司 一种编解码方法、编码器、解码器及存储介质
WO2026024502A1 (en) * 2024-07-22 2026-01-29 Google Llc Shared context models for block partition signaling

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPQ676700A0 (en) 2000-04-07 2000-05-11 Stokes, Warwick James Improvements to internal combustion engines
AU4625101A (en) * 2000-04-07 2001-10-23 Warwick James Stokes Piston motion modifiable internal combustion engine
WO2002001881A2 (en) * 2000-06-30 2002-01-03 Koninklijke Philips Electronics N.V. Encoding method for the compression of a video sequence
US7599435B2 (en) * 2004-01-30 2009-10-06 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Video frame encoding and decoding
US10327008B2 (en) 2010-10-13 2019-06-18 Qualcomm Incorporated Adaptive motion vector resolution signaling for video coding
CN103765887B (zh) 2011-07-01 2017-04-12 三星电子株式会社 用于使用分层数据单元进行熵编码的方法
US9357185B2 (en) 2011-11-08 2016-05-31 Qualcomm Incorporated Context optimization for last significant coefficient position coding
WO2013106987A1 (en) 2012-01-16 2013-07-25 Mediatek Singapore Pte. Ltd. Methods and apparatuses of bypass coding and reducing contexts for some syntax elements
CN110602509A (zh) 2012-02-04 2019-12-20 谷歌技术控股有限责任公司 用于最末重要系数位置编码中的上下文减少的设备和方法
US9538172B2 (en) * 2012-04-11 2017-01-03 Qualcomm Incorporated Grouping bypass coded syntax elements in video coding
KR101909863B1 (ko) 2013-07-08 2018-10-18 미디어텍 싱가폴 피티이. 엘티디. 3d 비디오 코딩에서 단순화된 cabac 코딩의 방법
CN105874789B (zh) * 2014-01-29 2019-10-29 联发科技股份有限公司 利用自适应运动向量精度的方法
CN106416256B (zh) * 2014-03-31 2019-08-23 三星电子株式会社 用于对深度图像进行编码或解码的方法和设备
US10462462B2 (en) * 2016-09-29 2019-10-29 Qualcomm Incorporated Motion vector difference coding technique for video coding
US10979732B2 (en) * 2016-10-04 2021-04-13 Qualcomm Incorporated Adaptive motion vector precision for video coding
US10609414B2 (en) * 2017-05-08 2020-03-31 Qualcomm Incorporated Context modeling for transform coefficient coding
US10757442B2 (en) * 2017-07-05 2020-08-25 Qualcomm Incorporated Partial reconstruction based template matching for motion vector derivation
WO2019027074A1 (ko) * 2017-08-04 2019-02-07 엘지전자(주) 멀티 심볼 엔트로피 코딩을 위한 멀티 심볼 매핑을 수행하는 방법 및 장치
US11082721B2 (en) 2017-09-07 2021-08-03 Lg Electronics Inc. Method and apparatus for entropy-encoding and entropy-decoding video signal
CN112040247B (zh) * 2018-09-10 2021-09-21 华为技术有限公司 视频解码方法、视频解码器以及计算机可读存储介质
KR102635047B1 (ko) * 2018-09-19 2024-02-07 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 적응적 움직임 벡터 해상도를 가지는 어파인 모드에 대한 구문 재사용
EP3854095A1 (en) * 2018-09-21 2021-07-28 InterDigital VC Holdings, Inc. Motion vector prediction in video encoding and decoding
MX2021005939A (es) * 2018-11-21 2021-07-21 Electronics & Telecommunications Res Inst Metodo y aparato de codificacion/decodificacion de imagen, y medio de registro que almacena flujo de bits.
CN119172532A (zh) * 2018-12-17 2024-12-20 交互数字Vc控股公司 Mmvd和smvd与运动和预测模型的组合
WO2020130730A1 (ko) * 2018-12-21 2020-06-25 삼성전자 주식회사 영상 부호화 방법 및 장치, 영상 복호화 방법 및 장치
KR102392701B1 (ko) * 2019-01-15 2022-04-28 엘지전자 주식회사 변환 스킵 플래그를 이용한 영상 코딩 방법 및 장치
WO2020156517A1 (en) * 2019-01-31 2020-08-06 Beijing Bytedance Network Technology Co., Ltd. Fast algorithms for symmetric motion vector difference coding mode
WO2020156516A1 (en) * 2019-01-31 2020-08-06 Beijing Bytedance Network Technology Co., Ltd. Context for coding affine mode adaptive motion vector resolution
CN117579818B (zh) * 2019-03-11 2025-04-01 北京达佳互联信息技术有限公司 用于视频编码的方法和计算设备
KR20210128497A (ko) * 2019-03-11 2021-10-26 인터디지털 브이씨 홀딩스 인코포레이티드 비디오 인코딩 및 디코딩을 위한 엔트로피 코딩
WO2022109877A1 (en) 2020-11-25 2022-06-02 Lenovo (Beijing) Limited Method and apparatus for small data transmission

Also Published As

Publication number Publication date
JP7617013B2 (ja) 2025-01-17
WO2020185500A1 (en) 2020-09-17
CN113647112B (zh) 2024-12-31
US20240205461A1 (en) 2024-06-20
JP2022525597A (ja) 2022-05-18
TW202541506A (zh) 2025-10-16
KR20210128497A (ko) 2021-10-26
CN113647112A (zh) 2021-11-12
US20220116662A1 (en) 2022-04-14
JP2025041977A (ja) 2025-03-26
TW202041033A (zh) 2020-11-01
US12598326B2 (en) 2026-04-07
EP3939325A1 (en) 2022-01-19
US11962807B2 (en) 2024-04-16
SG11202109076QA (en) 2021-09-29
US20260075253A1 (en) 2026-03-12
TWI891623B (zh) 2025-08-01
CN119653118A (zh) 2025-03-18
CN119653117A (zh) 2025-03-18
CA3132160A1 (en) 2020-09-17

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