KR20220024643A - 위치 의존적 인트라 예측 조합을 이용한 픽처 인코딩 및 디코딩을 위한 방법 및 디바이스 - Google Patents

위치 의존적 인트라 예측 조합을 이용한 픽처 인코딩 및 디코딩을 위한 방법 및 디바이스 Download PDF

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KR20220024643A
KR20220024643A KR1020227001620A KR20227001620A KR20220024643A KR 20220024643 A KR20220024643 A KR 20220024643A KR 1020227001620 A KR1020227001620 A KR 1020227001620A KR 20227001620 A KR20227001620 A KR 20227001620A KR 20220024643 A KR20220024643 A KR 20220024643A
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block
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intra prediction
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가간 라스
파브리스 위르방
파비앙 라카프
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인터디지털 브이씨 홀딩스 프랑스 에스에이에스
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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
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/102—Methods 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/102—Methods 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection 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
    • 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
    • H04N19/102—Methods 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/102—Methods 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/134—Methods 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/70—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020227001620A 2019-06-20 2020-06-15 위치 의존적 인트라 예측 조합을 이용한 픽처 인코딩 및 디코딩을 위한 방법 및 디바이스 Pending KR20220024643A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP19305798.1 2019-06-20
EP19305798 2019-06-20
PCT/EP2020/066522 WO2020254264A1 (en) 2019-06-20 2020-06-15 Method and device for picture encoding and decoding using position dependent intra prediction combination

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KR20220024643A true KR20220024643A (ko) 2022-03-03

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US (3) US11991361B2 (https=)
EP (1) EP3987780A1 (https=)
JP (3) JP7580410B2 (https=)
KR (1) KR20220024643A (https=)
CN (3) CN114600450B (https=)
IL (1) IL289036A (https=)
TW (3) TWI879776B (https=)
WO (1) WO2020254264A1 (https=)

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Publication number Priority date Publication date Assignee Title
WO2021045655A2 (en) * 2019-12-31 2021-03-11 Huawei Technologies Co., Ltd. Method and apparatus for intra prediction
US20250254293A1 (en) * 2024-02-07 2025-08-07 Samsung Electronics Co., Ltd. Position dependent prediction combination for video coding

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CN107534780A (zh) * 2015-02-25 2018-01-02 瑞典爱立信有限公司 视频中的帧间画面的编码和解码
KR20180014675A (ko) * 2016-08-01 2018-02-09 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
US10506228B2 (en) * 2016-10-04 2019-12-10 Qualcomm Incorporated Variable number of intra modes for video coding
US10674165B2 (en) * 2016-12-21 2020-06-02 Arris Enterprises Llc Constrained position dependent intra prediction combination (PDPC)
AU2018230328B2 (en) * 2017-03-10 2021-05-06 Hfi Innovation Inc. Method and apparatus of implicit intra coding tool settings with intra directional prediction modes for video coding
EP3410724A1 (en) * 2017-05-31 2018-12-05 Thomson Licensing Method and apparatus for signalling bi-directional intra prediction in video encoding and decoding
EP3410722A1 (en) * 2017-05-31 2018-12-05 Thomson Licensing Method and apparatus for low-complexity bi-directional intra prediction in video encoding and decoding
US10965941B2 (en) * 2017-10-09 2021-03-30 Qualcomm Incorporated Position-dependent prediction combinations in video coding
US11611757B2 (en) * 2018-04-02 2023-03-21 Qualcomm Incorproated Position dependent intra prediction combination extended with angular modes
US11159806B2 (en) * 2018-06-28 2021-10-26 Qualcomm Incorporated Position dependent intra prediction combination with multiple reference lines for intra prediction
US11128872B2 (en) * 2018-07-16 2021-09-21 Qualcomm Incorporated Position dependent intra prediction combination with wide angle intra prediction
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
US10652537B1 (en) * 2018-11-21 2020-05-12 Alibaba Group Holding Limited Coding unit size adaptive palette mode for video compression system
JP7401542B2 (ja) * 2018-11-26 2023-12-19 華為技術有限公司 ピクチャのブロックのイントラ予測の方法
US10778972B1 (en) * 2019-02-27 2020-09-15 Google Llc Adaptive filter intra prediction modes in image/video compression
US11039156B2 (en) 2019-06-11 2021-06-15 Tencent America LLC Unified position dependent prediction combination process

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CN121418567A (zh) 2026-01-27
JP7580410B2 (ja) 2024-11-11
US20250294154A1 (en) 2025-09-18
JP2026027472A (ja) 2026-02-18
WO2020254264A1 (en) 2020-12-24
US12355970B2 (en) 2025-07-08
JP2025020235A (ja) 2025-02-12
CN114600450B (zh) 2025-11-21
US11991361B2 (en) 2024-05-21
JP7777652B2 (ja) 2025-11-28
EP3987780A1 (en) 2022-04-27
US20220303541A1 (en) 2022-09-22
CN114600450A (zh) 2022-06-07
US20240244215A1 (en) 2024-07-18
CN121367774A (zh) 2026-01-20
TW202106008A (zh) 2021-02-01
TWI879776B (zh) 2025-04-11
IL289036A (en) 2022-02-01
JP2022537173A (ja) 2022-08-24
TW202535067A (zh) 2025-09-01
TW202527545A (zh) 2025-07-01

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