AU2021207452B2 - Method and apparatus for video coding - Google Patents

Method and apparatus for video coding Download PDF

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Publication number
AU2021207452B2
AU2021207452B2 AU2021207452A AU2021207452A AU2021207452B2 AU 2021207452 B2 AU2021207452 B2 AU 2021207452B2 AU 2021207452 A AU2021207452 A AU 2021207452A AU 2021207452 A AU2021207452 A AU 2021207452A AU 2021207452 B2 AU2021207452 B2 AU 2021207452B2
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merge
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candidates
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AU2021207452A
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AU2021207452A1 (en
Inventor
Ling Li
Xiang Li
Shan Liu
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Tencent America LLC
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Tencent America LLC
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Priority to AU2023202732A priority Critical patent/AU2023202732B2/en
Priority to AU2024205764A priority patent/AU2024205764B2/en
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    • 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
    • H04N19/10Methods 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
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/169Methods 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
    • H04N19/184Methods 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 bits, e.g. of the compressed video stream
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/70Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/88Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving rearrangement of data among different coding units, e.g. shuffling, interleaving, scrambling or permutation of pixel data or permutation of transform coefficient data among different blocks
    • 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
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)
AU2021207452A 2020-01-14 2021-01-12 Method and apparatus for video coding Active AU2021207452B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2023202732A AU2023202732B2 (en) 2020-01-14 2023-05-02 Method and apparatus for video coding
AU2024205764A AU2024205764B2 (en) 2020-01-14 2024-08-14 Method and apparatus for video coding

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202062960930P 2020-01-14 2020-01-14
US62/960,930 2020-01-14
US17/088,073 US11375231B2 (en) 2020-01-14 2020-11-03 Method and apparatus for video coding
US17/088,073 2020-11-03
PCT/US2021/013051 WO2021146173A1 (en) 2020-01-14 2021-01-12 Method and apparatus for video coding

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AU2023202732A Division AU2023202732B2 (en) 2020-01-14 2023-05-02 Method and apparatus for video coding

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AU2021207452A1 AU2021207452A1 (en) 2021-11-11
AU2021207452B2 true AU2021207452B2 (en) 2023-02-02

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AU2023202732A Active AU2023202732B2 (en) 2020-01-14 2023-05-02 Method and apparatus for video coding
AU2024205764A Active AU2024205764B2 (en) 2020-01-14 2024-08-14 Method and apparatus for video coding

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AU2024205764A Active AU2024205764B2 (en) 2020-01-14 2024-08-14 Method and apparatus for video coding

Country Status (9)

Country Link
US (2) US11375231B2 (https=)
EP (1) EP4091323A4 (https=)
JP (5) JP7670443B2 (https=)
KR (2) KR102747635B1 (https=)
CN (2) CN119653111B (https=)
AU (3) AU2021207452B2 (https=)
CA (1) CA3137930A1 (https=)
SG (1) SG11202111741SA (https=)
WO (1) WO2021146173A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11350083B2 (en) 2019-04-19 2022-05-31 Qualcomm Incorporated Intra block copy merging data syntax for video coding
US20230156181A1 (en) * 2021-11-17 2023-05-18 Mediatek Inc. Methods and Apparatuses for a High-throughput Video Encoder or Decoder

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160105670A1 (en) * 2014-10-14 2016-04-14 Qualcomm Incorporated Amvp and merge candidate list derivation for intra bc and inter prediction unification
US20170289566A1 (en) * 2014-09-26 2017-10-05 Vid Scale, Inc. Intra block copy coding with temporal block vector prediction

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1982518A4 (en) * 2006-01-12 2010-06-16 Lg Electronics Inc PROCESSING MORE VIEW VIDEO
WO2013051209A1 (ja) * 2011-10-05 2013-04-11 パナソニック株式会社 画像符号化方法、画像符号化装置、画像復号方法、画像復号装置、および、画像符号化復号装置
US10244253B2 (en) * 2013-09-13 2019-03-26 Qualcomm Incorporated Video coding techniques using asymmetric motion partitioning
WO2015180014A1 (en) * 2014-05-26 2015-12-03 Mediatek Singapore Pte. Ltd. An improved merge candidate list construction method for intra block copy
US10027981B2 (en) 2014-09-01 2018-07-17 Hfi Innovation Inc. Method of intra picture block copy for screen content and video coding
JP6472877B2 (ja) * 2014-10-09 2019-02-20 寰發股▲ふん▼有限公司HFI Innovation Inc. 視点合成予測を含む3dまたは多視点映像符号化の方法
US11477477B2 (en) * 2015-01-26 2022-10-18 Qualcomm Incorporated Sub-prediction unit based advanced temporal motion vector prediction
US20160373770A1 (en) * 2015-06-18 2016-12-22 Qualcomm Incorporated Intra prediction and intra mode coding
US10462483B1 (en) 2018-04-26 2019-10-29 Tencent America LLC Method and apparatus for video coding
EP3737091A4 (en) 2018-06-27 2021-03-03 LG Electronics Inc. METHOD OF IMAGE PROCESSING BASED ON AN INTER PREDICTION MODE AND DEVICE FOR IT
US10362330B1 (en) 2018-07-30 2019-07-23 Tencent America LLC Combining history-based motion vector prediction and non-adjacent merge prediction

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170289566A1 (en) * 2014-09-26 2017-10-05 Vid Scale, Inc. Intra block copy coding with temporal block vector prediction
US20160105670A1 (en) * 2014-10-14 2016-04-14 Qualcomm Incorporated Amvp and merge candidate list derivation for intra bc and inter prediction unification

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Publication number Publication date
EP4091323A4 (en) 2024-02-14
JP2026035785A (ja) 2026-03-04
US20210218987A1 (en) 2021-07-15
JP2022525989A (ja) 2022-05-20
US11375231B2 (en) 2022-06-28
JP2023159375A (ja) 2023-10-31
JP2026035784A (ja) 2026-03-04
AU2021207452A1 (en) 2021-11-11
CA3137930A1 (en) 2021-07-22
CN113906739B (zh) 2024-11-22
US12309421B2 (en) 2025-05-20
CN113906739A (zh) 2022-01-07
KR102747635B1 (ko) 2024-12-31
AU2024205764A1 (en) 2024-09-05
US20230164350A1 (en) 2023-05-25
CN119653111A (zh) 2025-03-18
JP7785728B2 (ja) 2025-12-15
WO2021146173A1 (en) 2021-07-22
AU2023202732A1 (en) 2023-05-18
JP7670443B2 (ja) 2025-04-30
EP4091323A1 (en) 2022-11-23
JP2026035783A (ja) 2026-03-04
KR20250008131A (ko) 2025-01-14
AU2024205764B2 (en) 2026-01-15
AU2023202732B2 (en) 2024-05-16
KR20210134039A (ko) 2021-11-08
CN119653111B (zh) 2026-04-24
SG11202111741SA (en) 2021-11-29

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