SG11202110392TA - Unified position dependent prediction combination process - Google Patents

Unified position dependent prediction combination process

Info

Publication number
SG11202110392TA
SG11202110392TA SG11202110392TA SG11202110392TA SG11202110392TA SG 11202110392T A SG11202110392T A SG 11202110392TA SG 11202110392T A SG11202110392T A SG 11202110392TA SG 11202110392T A SG11202110392T A SG 11202110392TA SG 11202110392T A SG11202110392T A SG 11202110392TA
Authority
SG
Singapore
Prior art keywords
intra prediction
prediction direction
current block
mode
intra
Prior art date
Application number
SG11202110392TA
Other languages
English (en)
Inventor
Liang Zhao
Xin Zhao
Xiang Li
Shan Liu
Original Assignee
Tencent America LLC
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 Tencent America LLC filed Critical Tencent America LLC
Publication of SG11202110392TA publication Critical patent/SG11202110392TA/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44Decoders 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
    • H04N19/10Methods 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
    • H04N19/11Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/102Methods 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
    • H04N19/117Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/134Methods 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
    • H04N19/167Position within a video image, e.g. region of interest [ROI]
    • 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
    • H04N19/182Methods 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 pixel
    • 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)
SG11202110392TA 2019-06-11 2020-06-01 Unified position dependent prediction combination process SG11202110392TA (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201962859920P 2019-06-11 2019-06-11
US201962869015P 2019-06-30 2019-06-30
US15/931,225 US11039156B2 (en) 2019-06-11 2020-05-13 Unified position dependent prediction combination process
PCT/US2020/035519 WO2020251791A1 (en) 2019-06-11 2020-06-01 Unified position dependent prediction combination process

Publications (1)

Publication Number Publication Date
SG11202110392TA true SG11202110392TA (en) 2021-10-28

Family

ID=73745712

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202110392TA SG11202110392TA (en) 2019-06-11 2020-06-01 Unified position dependent prediction combination process

Country Status (9)

Country Link
US (3) US11039156B2 (https=)
EP (1) EP3984216A4 (https=)
JP (4) JP7119234B2 (https=)
KR (2) KR102772324B1 (https=)
CN (1) CN115550644B (https=)
AU (3) AU2020290387B2 (https=)
CA (1) CA3133833A1 (https=)
SG (1) SG11202110392TA (https=)
WO (1) WO2020251791A1 (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020256466A1 (ko) * 2019-06-19 2020-12-24 한국전자통신연구원 화면 내 예측 모드 및 엔트로피 부호화/복호화 방법 및 장치
CN114600450B (zh) * 2019-06-20 2025-11-21 交互数字Ce专利控股公司 使用位置相关帧内预测组合进行画面编码和解码的方法和设备
CN114287133B (zh) 2019-08-14 2024-09-10 北京字节跳动网络技术有限公司 帧内模式中的预测样点滤波的加权因子
CN117376556A (zh) 2019-08-14 2024-01-09 北京字节跳动网络技术有限公司 位置相关帧内预测样点滤波
US11671592B2 (en) * 2019-12-09 2023-06-06 Qualcomm Incorporated Position-dependent intra-prediction combination for angular intra-prediction modes for video coding
KR20230145097A (ko) * 2021-02-08 2023-10-17 인터디지털 씨이 페이튼트 홀딩스, 에스에이에스 공간 국소 조명 보상
CN115883834A (zh) * 2021-09-30 2023-03-31 维沃移动通信有限公司 帧内预测的方法及终端
US12010316B2 (en) * 2021-10-05 2024-06-11 Tencent America LLC Modification on fusion of intra prediction
KR102927263B1 (ko) 2021-12-28 2026-02-12 삼성전자주식회사 반도체 장치

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2014376061B8 (en) 2014-01-03 2019-05-30 Microsoft Technology Licensing, Llc Block vector prediction in video and image coding/decoding
US10425648B2 (en) 2015-09-29 2019-09-24 Qualcomm Incorporated Video intra-prediction using position-dependent prediction combination for video coding
US10623774B2 (en) 2016-03-22 2020-04-14 Qualcomm Incorporated Constrained block-level optimization and signaling for video coding tools
US10674165B2 (en) 2016-12-21 2020-06-02 Arris Enterprises Llc Constrained position dependent intra prediction combination (PDPC)
US11611757B2 (en) 2018-04-02 2023-03-21 Qualcomm Incorproated Position dependent intra prediction combination extended with angular modes
US10284844B1 (en) 2018-07-02 2019-05-07 Tencent America LLC Method and apparatus for video coding
BR112020025939A2 (pt) 2018-07-16 2021-03-23 Interdigital Vc Holdings, Inc. previsão intra de ângulo amplo e combinação de previsão intra dependente da posição
US11128872B2 (en) * 2018-07-16 2021-09-21 Qualcomm Incorporated Position dependent intra prediction combination with wide angle intra prediction
US11057622B2 (en) * 2018-12-13 2021-07-06 Qualcomm Incorporated Position dependent intra prediction combination with non-square block diagonals

Also Published As

Publication number Publication date
US11039156B2 (en) 2021-06-15
AU2020290387A1 (en) 2021-10-14
CN115550644B (zh) 2024-09-20
KR20210104873A (ko) 2021-08-25
AU2023203803A1 (en) 2023-07-13
US20230199207A1 (en) 2023-06-22
US20210250599A1 (en) 2021-08-12
JP7119234B2 (ja) 2022-08-16
US12149722B2 (en) 2024-11-19
US20200396470A1 (en) 2020-12-17
JP2025061383A (ja) 2025-04-10
JP2022515850A (ja) 2022-02-22
EP3984216A1 (en) 2022-04-20
JP7833573B2 (ja) 2026-03-19
US11575923B2 (en) 2023-02-07
CN115550644A (zh) 2022-12-30
JP2022153610A (ja) 2022-10-12
KR102772324B1 (ko) 2025-02-26
JP7331218B2 (ja) 2023-08-22
WO2020251791A1 (en) 2020-12-17
JP2023138753A (ja) 2023-10-02
AU2020290387B2 (en) 2023-03-16
JP7623442B2 (ja) 2025-01-28
EP3984216A4 (en) 2023-04-26
AU2023203803B2 (en) 2024-11-07
KR20250029998A (ko) 2025-03-05
AU2025200843A1 (en) 2025-02-27
CA3133833A1 (en) 2020-12-17

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