CA3137049A1 - Method and apparatus for video coding - Google Patents

Method and apparatus for video coding Download PDF

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Publication number
CA3137049A1
CA3137049A1 CA3137049A CA3137049A CA3137049A1 CA 3137049 A1 CA3137049 A1 CA 3137049A1 CA 3137049 A CA3137049 A CA 3137049A CA 3137049 A CA3137049 A CA 3137049A CA 3137049 A1 CA3137049 A1 CA 3137049A1
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CA
Canada
Prior art keywords
maximum number
picture
merge
merge candidates
pps
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
CA3137049A
Other languages
English (en)
French (fr)
Inventor
Ling Li
Xiang Li
Guichun Li
Shan Liu
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
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Filing date
Publication date
Application filed by Tencent America LLC filed Critical Tencent America LLC
Publication of CA3137049A1 publication Critical patent/CA3137049A1/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/172Methods 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 picture, frame or field
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • H04N19/198Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters including smoothing of a sequence of encoding parameters, e.g. by averaging, by choice of the maximum, minimum or median value
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • H04N19/517Processing of motion vectors by encoding
    • H04N19/52Processing of motion vectors by encoding by predictive encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/56Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)
CA3137049A 2019-12-28 2020-12-09 Method and apparatus for video coding Pending CA3137049A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962954473P 2019-12-28 2019-12-28
US62/954,473 2019-12-28
US17/087,224 US11496755B2 (en) 2019-12-28 2020-11-02 Method and apparatus for video coding
US17/087,224 2020-11-02
PCT/US2020/063997 WO2021133552A1 (en) 2019-12-28 2020-12-09 Method and apparatus for video coding

Publications (1)

Publication Number Publication Date
CA3137049A1 true CA3137049A1 (en) 2021-07-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA3137049A Pending CA3137049A1 (en) 2019-12-28 2020-12-09 Method and apparatus for video coding

Country Status (9)

Country Link
US (3) US11496755B2 (https=)
EP (1) EP3942801A4 (https=)
JP (2) JP7332718B2 (https=)
KR (1) KR102858972B1 (https=)
CN (1) CN113940064B (https=)
AU (2) AU2020415292B2 (https=)
CA (1) CA3137049A1 (https=)
SG (1) SG11202111574XA (https=)
WO (1) WO2021133552A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11496755B2 (en) * 2019-12-28 2022-11-08 Tencent America LLC Method and apparatus for video coding
CN118945378A (zh) * 2020-01-14 2024-11-12 华为技术有限公司 指示融合模式候选数量的方法和装置
US20230156181A1 (en) * 2021-11-17 2023-05-18 Mediatek Inc. Methods and Apparatuses for a High-throughput Video Encoder or Decoder

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES3037154T3 (en) * 2010-05-04 2025-09-29 Lg Electronics Inc Method for decoding and encoding a bitstream
KR101484281B1 (ko) 2010-07-09 2015-01-21 삼성전자주식회사 블록 병합을 이용한 비디오 부호화 방법 및 그 장치, 블록 병합을 이용한 비디오 복호화 방법 및 그 장치
WO2015139010A1 (en) 2014-03-14 2015-09-17 Vid Scale, Inc. Systems and methods for rgb video coding enhancement
GB2561507B (en) 2016-01-07 2021-12-22 Mediatek Inc Method and apparatus for affine merge mode prediction for video coding system
US10560718B2 (en) * 2016-05-13 2020-02-11 Qualcomm Incorporated Merge candidates for motion vector prediction for video coding
KR102852767B1 (ko) 2018-06-12 2025-09-01 한국전자통신연구원 문맥 적응적 이진 산술 부호화 방법 및 장치
CN117692651A (zh) * 2018-10-08 2024-03-12 华为技术有限公司 用于译码块的几何划分块的帧间预测的装置及方法
WO2020094079A1 (en) * 2018-11-06 2020-05-14 Beijing Bytedance Network Technology Co., Ltd. Block size dependent storage of motion information
WO2020102034A1 (en) 2018-11-14 2020-05-22 Tencent America LLC Method and apparatus for video coding
EP4221205A1 (en) * 2018-11-22 2023-08-02 Huawei Technologies Co., Ltd. An encoder and corresponding method for inter prediction
US10778977B2 (en) * 2018-12-05 2020-09-15 Qualcomm Incorporated Triangle motion information for video coding
CN112584165B (zh) * 2018-12-28 2022-05-31 杭州海康威视数字技术股份有限公司 一种编解码方法及其设备
US20200288175A1 (en) * 2019-03-06 2020-09-10 Qualcomm Incorporated Signaling of triangle merge mode indexes in video coding
US11405619B2 (en) * 2019-09-23 2022-08-02 Qualcomm Incorporated Geometric partition mode with simplified motion field storage and motion compensation in video coding
US11533498B2 (en) * 2019-11-21 2022-12-20 Tencent America LLC Geometric partitioning mode in video coding
US11496755B2 (en) * 2019-12-28 2022-11-08 Tencent America LLC Method and apparatus for video coding

Also Published As

Publication number Publication date
EP3942801A4 (en) 2022-12-21
AU2023204197A1 (en) 2023-07-20
US20210203964A1 (en) 2021-07-01
AU2020415292A1 (en) 2021-10-28
JP7601966B2 (ja) 2024-12-17
AU2023204197B2 (en) 2024-11-14
JP7332718B2 (ja) 2023-08-23
CN113940064B (zh) 2024-09-20
KR102858972B1 (ko) 2025-09-12
CN113940064A (zh) 2022-01-14
US20230026630A1 (en) 2023-01-26
JP2022531443A (ja) 2022-07-06
JP2023154040A (ja) 2023-10-18
WO2021133552A1 (en) 2021-07-01
AU2020415292B2 (en) 2023-03-30
US11496755B2 (en) 2022-11-08
EP3942801A1 (en) 2022-01-26
US12088833B2 (en) 2024-09-10
KR20210134796A (ko) 2021-11-10
SG11202111574XA (en) 2021-11-29
US20240397065A1 (en) 2024-11-28

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