KR20250029998A - 통합된 위치 의존적 예측 조합 프로세스 - Google Patents

통합된 위치 의존적 예측 조합 프로세스 Download PDF

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Publication number
KR20250029998A
KR20250029998A KR1020257005471A KR20257005471A KR20250029998A KR 20250029998 A KR20250029998 A KR 20250029998A KR 1020257005471 A KR1020257005471 A KR 1020257005471A KR 20257005471 A KR20257005471 A KR 20257005471A KR 20250029998 A KR20250029998 A KR 20250029998A
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KR
South Korea
Prior art keywords
intra prediction
mode
video
intra
sample
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Pending
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KR1020257005471A
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English (en)
Korean (ko)
Inventor
량 자오
신 자오
샹 리
산 류
Original Assignee
텐센트 아메리카 엘엘씨
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Publication of KR20250029998A publication Critical patent/KR20250029998A/ko
Pending legal-status Critical Current

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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
    • H04N19/44Decoders 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
    • H04N19/105Selection 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)
KR1020257005471A 2019-06-11 2020-06-01 통합된 위치 의존적 예측 조합 프로세스 Pending KR20250029998A (ko)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US201962859920P 2019-06-11 2019-06-11
US62/859,920 2019-06-11
US201962869015P 2019-06-30 2019-06-30
US62/869,015 2019-06-30
US15/931,225 US11039156B2 (en) 2019-06-11 2020-05-13 Unified position dependent prediction combination process
US15/931,225 2020-05-13
PCT/US2020/035519 WO2020251791A1 (en) 2019-06-11 2020-06-01 Unified position dependent prediction combination process
KR1020217023160A KR102772324B1 (ko) 2019-06-11 2020-06-01 통합된 위치 의존적 예측 조합 프로세스

Related Parent Applications (1)

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KR1020217023160A Division KR102772324B1 (ko) 2019-06-11 2020-06-01 통합된 위치 의존적 예측 조합 프로세스

Publications (1)

Publication Number Publication Date
KR20250029998A true KR20250029998A (ko) 2025-03-05

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KR1020257005471A Pending KR20250029998A (ko) 2019-06-11 2020-06-01 통합된 위치 의존적 예측 조합 프로세스
KR1020217023160A Active KR102772324B1 (ko) 2019-06-11 2020-06-01 통합된 위치 의존적 예측 조합 프로세스

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Country Status (9)

Country Link
US (3) US11039156B2 (https=)
EP (1) EP3984216A4 (https=)
JP (4) JP7119234B2 (https=)
KR (2) KR20250029998A (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
KR20200145749A (ko) * 2019-06-19 2020-12-30 한국전자통신연구원 화면 내 예측 모드 및 엔트로피 부호화/복호화 방법 및 장치
KR20220024643A (ko) * 2019-06-20 2022-03-03 인터디지털 브이씨 홀딩스 프랑스 에스에이에스 위치 의존적 인트라 예측 조합을 이용한 픽처 인코딩 및 디코딩을 위한 방법 및 디바이스
WO2021027928A1 (en) 2019-08-14 2021-02-18 Beijing Bytedance Network Technology Co., Ltd. Weighting factors for prediction sample filtering in intra mode
CN114223200B (zh) 2019-08-14 2023-11-17 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
EP4289141A1 (en) * 2021-02-08 2023-12-13 Interdigital Ce Patent Holdings, SAS Spatial local illumination compensation
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
CN105917650B (zh) 2014-01-03 2019-12-24 微软技术许可有限责任公司 视频和图像编/解码的方法、计算设备及计算机可读介质
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
CN112425162B (zh) 2018-07-16 2024-12-13 交互数字Vc控股公司 宽角帧内预测和位置依赖性帧内预测组合
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

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Publication number Publication date
AU2025200843A1 (en) 2025-02-27
US11575923B2 (en) 2023-02-07
WO2020251791A1 (en) 2020-12-17
JP2022515850A (ja) 2022-02-22
US11039156B2 (en) 2021-06-15
JP2022153610A (ja) 2022-10-12
CN115550644A (zh) 2022-12-30
AU2023203803A1 (en) 2023-07-13
US20230199207A1 (en) 2023-06-22
AU2020290387A1 (en) 2021-10-14
CA3133833A1 (en) 2020-12-17
JP2025061383A (ja) 2025-04-10
CN115550644B (zh) 2024-09-20
SG11202110392TA (en) 2021-10-28
AU2023203803B2 (en) 2024-11-07
US20200396470A1 (en) 2020-12-17
US12149722B2 (en) 2024-11-19
KR102772324B1 (ko) 2025-02-26
EP3984216A1 (en) 2022-04-20
EP3984216A4 (en) 2023-04-26
JP7331218B2 (ja) 2023-08-22
US20210250599A1 (en) 2021-08-12
JP7833573B2 (ja) 2026-03-19
AU2020290387B2 (en) 2023-03-16
JP7119234B2 (ja) 2022-08-16
JP2023138753A (ja) 2023-10-02
KR20210104873A (ko) 2021-08-25
JP7623442B2 (ja) 2025-01-28

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