PL4026337T3 - Koder, dekoder i odpowiadające sposoby - Google Patents

Koder, dekoder i odpowiadające sposoby

Info

Publication number
PL4026337T3
PL4026337T3 PL20867807.8T PL20867807T PL4026337T3 PL 4026337 T3 PL4026337 T3 PL 4026337T3 PL 20867807 T PL20867807 T PL 20867807T PL 4026337 T3 PL4026337 T3 PL 4026337T3
Authority
PL
Poland
Prior art keywords
decoder
encoder
corresponding methods
methods
Prior art date
Application number
PL20867807.8T
Other languages
English (en)
Inventor
Xiang Ma
Haitao Yang
Original Assignee
Huawei Technologies Co., Ltd.
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 Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of PL4026337T3 publication Critical patent/PL4026337T3/pl

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/33Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/31Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the temporal domain
    • 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
    • H04N19/134Methods 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
    • 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
    • H04N19/172Methods 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
    • H04N19/187Methods 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 a scalable video layer
    • 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
    • H04N19/90Methods 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
    • H04N19/96Tree coding, e.g. quad-tree coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
PL20867807.8T 2019-09-24 2020-09-24 Koder, dekoder i odpowiadające sposoby PL4026337T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2019107594 2019-09-24
PCT/CN2020/117557 WO2021057869A1 (en) 2019-09-24 2020-09-24 An encoder, a decoder and corresponding methods

Publications (1)

Publication Number Publication Date
PL4026337T3 true PL4026337T3 (pl) 2025-10-06

Family

ID=75166778

Family Applications (1)

Application Number Title Priority Date Filing Date
PL20867807.8T PL4026337T3 (pl) 2019-09-24 2020-09-24 Koder, dekoder i odpowiadające sposoby

Country Status (11)

Country Link
US (4) US11412215B2 (pl)
EP (2) EP4543004A1 (pl)
JP (3) JP7483869B2 (pl)
KR (1) KR20220065040A (pl)
CN (2) CN115209153B (pl)
AU (1) AU2020352952A1 (pl)
CA (1) CA3152464C (pl)
ES (1) ES3041489T3 (pl)
MX (2) MX2022003556A (pl)
PL (1) PL4026337T3 (pl)
WO (1) WO2021057869A1 (pl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102825219B1 (ko) 2019-10-07 2025-06-24 후아웨이 테크놀러지 컴퍼니 리미티드 다중 계층 비디오 스트림에서의 중복 시그널링 방지
WO2021134018A1 (en) 2019-12-26 2021-07-01 Bytedance Inc. Signaling of decoded picture buffer parameters in layered video
CN114902674B (zh) 2019-12-26 2025-07-15 字节跳动有限公司 视频编解码中的档次、层和层级指示
EP4066387A4 (en) 2019-12-27 2023-02-15 ByteDance Inc. SUBPICTURE SIGNALING IN PARAMETER SETS
WO2021142370A1 (en) 2020-01-09 2021-07-15 Bytedance Inc. Constraints on value ranges in video bitstreams
WO2021161833A1 (ja) * 2020-02-13 2021-08-19 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法、および復号方法
US12069310B2 (en) * 2021-09-29 2024-08-20 Tencent America LLC Techniques for constraint flag signaling for range extension

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US9451252B2 (en) 2012-01-14 2016-09-20 Qualcomm Incorporated Coding parameter sets and NAL unit headers for video coding
US9319679B2 (en) * 2012-06-07 2016-04-19 Qualcomm Incorporated Signaling data for long term reference pictures for video coding
US9325990B2 (en) * 2012-07-09 2016-04-26 Qualcomm Incorporated Temporal motion vector prediction in video coding extensions
US9426462B2 (en) * 2012-09-21 2016-08-23 Qualcomm Incorporated Indication and activation of parameter sets for video coding
US9161039B2 (en) 2012-09-24 2015-10-13 Qualcomm Incorporated Bitstream properties in video coding
US9357211B2 (en) * 2012-12-28 2016-05-31 Qualcomm Incorporated Device and method for scalable and multiview/3D coding of video information
KR20140129624A (ko) 2013-04-30 2014-11-07 주식회사 칩스앤미디어 동영상 처리 방법 및 장치
US10003815B2 (en) 2013-06-03 2018-06-19 Qualcomm Incorporated Hypothetical reference decoder model and conformance for cross-layer random access skipped pictures
US20160173887A1 (en) * 2013-07-10 2016-06-16 Sharp Kabushiki Kaisha Scaling list signaling and parameter sets activation
GB2516424A (en) * 2013-07-15 2015-01-28 Nokia Corp A method, an apparatus and a computer program product for video coding and decoding
CN105453562B (zh) 2013-07-30 2018-12-25 株式会社Kt 支持多个层的图像编码和解码方法以及使用该方法的装置
WO2015053330A1 (ja) * 2013-10-10 2015-04-16 シャープ株式会社 画像復号装置
US10187662B2 (en) 2013-10-13 2019-01-22 Sharp Kabushiki Kaisha Signaling parameters in video parameter set extension and decoder picture buffer operation
US10091519B2 (en) * 2013-10-14 2018-10-02 Electronics And Telecommunications Research Institute Multilayer-based image encoding/decoding method and apparatus
JP2015195543A (ja) 2014-03-26 2015-11-05 シャープ株式会社 画像復号装置、画像符号化装置
US20180115787A1 (en) 2015-04-12 2018-04-26 Lg Electronics Inc. Method for encoding and decoding video signal, and apparatus therefor
US10779006B2 (en) * 2018-02-14 2020-09-15 Qualcomm Incorporated Signaling 360-degree video information
US11418813B2 (en) 2019-09-20 2022-08-16 Tencent America LLC Signaling of inter layer prediction in video bitstream
US11381842B2 (en) * 2020-03-26 2022-07-05 Alibaba Group Holding Limited Methods for coding or decoding video parameter set or sequence parameter set

Also Published As

Publication number Publication date
MX2022003556A (es) 2022-06-14
CA3152464A1 (en) 2021-04-01
EP4026337A4 (en) 2022-10-26
JP7787224B2 (ja) 2025-12-16
JP2024096145A (ja) 2024-07-12
US12568203B2 (en) 2026-03-03
US20220030222A1 (en) 2022-01-27
EP4543004A1 (en) 2025-04-23
KR20220065040A (ko) 2022-05-19
AU2020352952A1 (en) 2022-04-21
JP2026026310A (ja) 2026-02-16
JP7483869B2 (ja) 2024-05-15
US20220368892A1 (en) 2022-11-17
CN115209153A (zh) 2022-10-18
CN114424571A (zh) 2022-04-29
US20240357075A1 (en) 2024-10-24
JP2022550322A (ja) 2022-12-01
CN115209153B (zh) 2023-06-06
BR112022005469A2 (pt) 2022-06-14
US20260106967A1 (en) 2026-04-16
EP4026337B1 (en) 2025-07-02
ES3041489T3 (en) 2025-11-12
MX2025011600A (es) 2025-11-03
CA3152464C (en) 2024-05-14
EP4026337A1 (en) 2022-07-13
US11412215B2 (en) 2022-08-09
WO2021057869A1 (en) 2021-04-01
US11968357B2 (en) 2024-04-23

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