CN119653118A - 用于视频编码和解码的熵编解码 - Google Patents

用于视频编码和解码的熵编解码 Download PDF

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Publication number
CN119653118A
CN119653118A CN202411900013.4A CN202411900013A CN119653118A CN 119653118 A CN119653118 A CN 119653118A CN 202411900013 A CN202411900013 A CN 202411900013A CN 119653118 A CN119653118 A CN 119653118A
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CN
China
Prior art keywords
block
context
codec
syntax elements
syntax
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Pending
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CN202411900013.4A
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English (en)
Chinese (zh)
Inventor
陈娅
F·莱林内克
T·波伊里尔
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InterDigital VC Holdings Inc
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InterDigital VC Holdings Inc
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Publication of CN119653118A publication Critical patent/CN119653118A/zh
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    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN202411900013.4A 2019-03-11 2020-03-05 用于视频编码和解码的熵编解码 Pending CN119653118A (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP19305279.2 2019-03-11
EP19305279 2019-03-11
CN202080020745.8A CN113647112B (zh) 2019-03-11 2020-03-05 用于视频编码和解码的熵编解码
PCT/US2020/021150 WO2020185500A1 (en) 2019-03-11 2020-03-05 Entropy coding for video encoding and decoding

Related Parent Applications (1)

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CN202080020745.8A Division CN113647112B (zh) 2019-03-11 2020-03-05 用于视频编码和解码的熵编解码

Publications (1)

Publication Number Publication Date
CN119653118A true CN119653118A (zh) 2025-03-18

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CN202411900013.4A Pending CN119653118A (zh) 2019-03-11 2020-03-05 用于视频编码和解码的熵编解码
CN202080020745.8A Active CN113647112B (zh) 2019-03-11 2020-03-05 用于视频编码和解码的熵编解码
CN202411899916.5A Pending CN119653117A (zh) 2019-03-11 2020-03-05 用于视频编码和解码的熵编解码

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CN202411899916.5A Pending CN119653117A (zh) 2019-03-11 2020-03-05 用于视频编码和解码的熵编解码

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US (3) US11962807B2 (https=)
EP (1) EP3939325A1 (https=)
JP (2) JP7617013B2 (https=)
KR (1) KR20210128497A (https=)
CN (3) CN119653118A (https=)
CA (1) CA3132160A1 (https=)
SG (1) SG11202109076QA (https=)
TW (2) TWI891623B (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
JP7212150B2 (ja) * 2018-09-19 2023-01-24 北京字節跳動網絡技術有限公司 適応動きベクトル解像度によるアフィンモードへの構文の使用
CN120980252A (zh) 2019-01-31 2025-11-18 北京字节跳动网络技术有限公司 对称运动矢量差编解码模式的快速算法
WO2020185500A1 (en) * 2019-03-11 2020-09-17 Interdigital Vc Holdings, Inc. Entropy coding for video encoding and decoding
CN118985132A (zh) * 2022-04-11 2024-11-19 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
AU2001246251B2 (en) * 2000-04-07 2005-11-24 Warwick James Stokes Piston motion modifiable internal combustion engine
AUPQ676700A0 (en) 2000-04-07 2000-05-11 Stokes, Warwick James Improvements to internal combustion engines
JP2004502358A (ja) 2000-06-30 2004-01-22 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ ビデオ系列の圧縮のための符号化方法
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
CN104980746B (zh) 2011-07-01 2018-07-31 三星电子株式会社 用于使用分层数据单元进行编码和解码的方法和设备
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
WO2013116849A1 (en) 2012-02-04 2013-08-08 General Instrument Corporation Devices and methods for context reduction in last significant coefficient position coding
US9538172B2 (en) * 2012-04-11 2017-01-03 Qualcomm Incorporated Grouping bypass coded syntax elements in video coding
CA2908115C (en) 2013-07-08 2019-02-12 Mediatek Singapore Pte. Ltd. Method of simplified cabac coding in 3d video coding
CN110572643B (zh) * 2014-01-29 2021-11-16 联发科技股份有限公司 利用自适应运动向量精度的方法和装置
WO2015152605A1 (ko) * 2014-03-31 2015-10-08 삼성전자 주식회사 깊이 영상을 부호화 또는 복호화 하는 방법 및 장치
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
CN117714717A (zh) * 2018-09-10 2024-03-15 华为技术有限公司 视频解码方法及视频解码器
JP7212150B2 (ja) * 2018-09-19 2023-01-24 北京字節跳動網絡技術有限公司 適応動きベクトル解像度によるアフィンモードへの構文の使用
WO2020061395A1 (en) * 2018-09-21 2020-03-26 Interdigital Vc Holdings, Inc. Motion vector prediction in video encoding and decoding
CN113170209A (zh) * 2018-11-21 2021-07-23 韩国电子通信研究院 图像编码/解码方法和设备以及存储比特流的记录介质
MX2021007225A (es) * 2018-12-17 2021-09-21 Interdigital Vc Holdings Inc Combinacion de herramientas de codificacion de diferencia de vector de movimiento con otros modos de movimiento.
WO2020130730A1 (ko) * 2018-12-21 2020-06-25 삼성전자 주식회사 영상 부호화 방법 및 장치, 영상 복호화 방법 및 장치
BR122021012456B1 (pt) * 2019-01-15 2022-03-22 Lg Electronics Inc Método de decodificação de uma imagem realizado por um aparelho de decodificação, método de codificação de uma imagem realizado por um aparelho de codificação, aparelho de decodificação para decodificação de imagem, aparelho de codificação para codificação de imagem e mídia de armazenamento digital legível por computador não transitória
WO2020156516A1 (en) * 2019-01-31 2020-08-06 Beijing Bytedance Network Technology Co., Ltd. Context for coding affine mode adaptive motion vector resolution
CN120980252A (zh) * 2019-01-31 2025-11-18 北京字节跳动网络技术有限公司 对称运动矢量差编解码模式的快速算法
WO2020185500A1 (en) * 2019-03-11 2020-09-17 Interdigital Vc Holdings, Inc. Entropy coding for video encoding and decoding
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
US20230413345A1 (en) 2020-11-25 2023-12-21 Lenovo (Beijing) Limited Method and apparatus for small data transmission

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Publication number Publication date
CA3132160A1 (en) 2020-09-17
JP2022525597A (ja) 2022-05-18
US20260075253A1 (en) 2026-03-12
SG11202109076QA (en) 2021-09-29
TW202041033A (zh) 2020-11-01
TWI891623B (zh) 2025-08-01
CN113647112B (zh) 2024-12-31
EP3939325A1 (en) 2022-01-19
JP7617013B2 (ja) 2025-01-17
JP2025041977A (ja) 2025-03-26
CN119653117A (zh) 2025-03-18
US12598326B2 (en) 2026-04-07
TW202541506A (zh) 2025-10-16
WO2020185500A1 (en) 2020-09-17
ZA202106159B (en) 2024-12-18
CN113647112A (zh) 2021-11-12
KR20210128497A (ko) 2021-10-26
US11962807B2 (en) 2024-04-16
US20240205461A1 (en) 2024-06-20
US20220116662A1 (en) 2022-04-14

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