CN119676445A - 编码/解码中的数据依赖性 - Google Patents

编码/解码中的数据依赖性 Download PDF

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Publication number
CN119676445A
CN119676445A CN202411865935.6A CN202411865935A CN119676445A CN 119676445 A CN119676445 A CN 119676445A CN 202411865935 A CN202411865935 A CN 202411865935A CN 119676445 A CN119676445 A CN 119676445A
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CN
China
Prior art keywords
motion vector
video block
information
current
coding unit
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.)
Pending
Application number
CN202411865935.6A
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English (en)
Chinese (zh)
Inventor
A·罗伯特
F·莱林内克
F·加尔平
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.)
InterDigital VC Holdings Inc
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
Priority claimed from EP18305852.8A external-priority patent/EP3591974A1/en
Application filed by InterDigital VC Holdings Inc filed Critical InterDigital VC Holdings Inc
Publication of CN119676445A publication Critical patent/CN119676445A/zh
Pending legal-status Critical Current

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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
    • H04N19/50—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
    • H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • 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
    • H04N19/513—Processing of motion vectors
    • 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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/96—Tree coding, e.g. quad-tree coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202411865935.6A 2018-05-07 2019-04-26 编码/解码中的数据依赖性 Pending CN119676445A (zh)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
EP18305567.2 2018-05-07
EP18305567 2018-05-07
EP18305852.8 2018-07-02
EP18305852.8A EP3591974A1 (en) 2018-07-02 2018-07-02 Data dependency in encoding/decoding
CN201980030855.XA CN112088532B (zh) 2018-05-07 2019-04-26 编码/解码中的数据依赖性
PCT/US2019/029305 WO2019217095A1 (en) 2018-05-07 2019-04-26 Data dependency in encoding/decodiing

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201980030855.XA Division CN112088532B (zh) 2018-05-07 2019-04-26 编码/解码中的数据依赖性

Publications (1)

Publication Number Publication Date
CN119676445A true CN119676445A (zh) 2025-03-21

Family

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Family Applications (3)

Application Number Title Priority Date Filing Date
CN202411865903.6A Pending CN119545000A (zh) 2018-05-07 2019-04-26 编码/解码中的数据依赖性
CN202411865935.6A Pending CN119676445A (zh) 2018-05-07 2019-04-26 编码/解码中的数据依赖性
CN201980030855.XA Active CN112088532B (zh) 2018-05-07 2019-04-26 编码/解码中的数据依赖性

Family Applications Before (1)

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CN202411865903.6A Pending CN119545000A (zh) 2018-05-07 2019-04-26 编码/解码中的数据依赖性

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201980030855.XA Active CN112088532B (zh) 2018-05-07 2019-04-26 编码/解码中的数据依赖性

Country Status (7)

Country Link
US (2) US20210076058A1 (enExample)
EP (1) EP3791581A1 (enExample)
JP (2) JP7395497B2 (enExample)
KR (1) KR20210006355A (enExample)
CN (3) CN119545000A (enExample)
BR (1) BR112020022234A2 (enExample)
WO (1) WO2019217095A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2019276881B2 (en) * 2018-05-28 2023-09-14 Interdigital Vc Holdings, Inc. Data dependency in coding/decoding
BR112023014624A2 (pt) * 2021-01-29 2023-10-31 Qualcomm Inc Derivação de diferença de vetor de movimento com base em modelo e previsão de correspondência de modelo para codificação de vídeo
WO2023090613A1 (ko) * 2021-11-19 2023-05-25 현대자동차주식회사 템플릿 매칭 기반의 인트라 예측을 사용하는 비디오 코딩을 위한 방법 및 장치
CN115278260B (zh) * 2022-07-15 2024-11-19 重庆邮电大学 基于空时域特性的vvc快速cu划分方法及存储介质

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2007000810A (es) * 2004-07-20 2007-04-02 Qualcomm Inc Metodo y aparato para conversion ascendente de velocidad por cuadro asistido de codificador (ea-fruc) para compresion de video.
US9083983B2 (en) * 2011-10-04 2015-07-14 Qualcomm Incorporated Motion vector predictor candidate clipping removal for video coding
PL400344A1 (pl) * 2012-08-13 2014-02-17 Politechnika Poznanska Sposób wyznaczania predyktora wektora ruchu
KR102534713B1 (ko) * 2012-10-01 2023-05-30 지이 비디오 컴프레션, 엘엘씨 공간적 인트라 예측 파라미터들의 인터-레이어 예측을 이용한 스케일러블 비디오 코딩
US9762927B2 (en) * 2013-09-26 2017-09-12 Qualcomm Incorporated Sub-prediction unit (PU) based temporal motion vector prediction in HEVC and sub-PU design in 3D-HEVC
BR112017010468B1 (pt) * 2014-11-18 2024-01-02 Hfi Innovation Inc Método de decodificação de vídeo para blocos codificados no modo de interpredição e método de codificação de vídeo para blocos codificados no modo de interpredição
CA3024900C (en) * 2016-05-17 2021-02-16 Arris Enterprises Llc Template matching for jvet intra prediction
CN115914625B (zh) * 2016-08-01 2025-07-11 韩国电子通信研究院 图像编码/解码方法
US11638027B2 (en) * 2016-08-08 2023-04-25 Hfi Innovation, Inc. Pattern-based motion vector derivation for video coding
US20180199057A1 (en) * 2017-01-12 2018-07-12 Mediatek Inc. Method and Apparatus of Candidate Skipping for Predictor Refinement in Video Coding
KR102788719B1 (ko) 2017-09-26 2025-03-31 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법
US10785494B2 (en) * 2017-10-11 2020-09-22 Qualcomm Incorporated Low-complexity design for FRUC
WO2019190907A1 (en) 2018-03-30 2019-10-03 Vid Scale, Inc Template-based inter prediction techniques based on encoding and decoding latency reduction

Also Published As

Publication number Publication date
CN112088532B (zh) 2025-01-03
KR20210006355A (ko) 2021-01-18
US20210076058A1 (en) 2021-03-11
CN112088532A (zh) 2020-12-15
US20230097304A1 (en) 2023-03-30
WO2019217095A8 (en) 2020-11-26
JP2021521692A (ja) 2021-08-26
EP3791581A1 (en) 2021-03-17
BR112020022234A2 (pt) 2021-02-02
WO2019217095A1 (en) 2019-11-14
JP7395497B2 (ja) 2023-12-11
JP2024023456A (ja) 2024-02-21
CN119545000A (zh) 2025-02-28

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