KR102458813B1 - 예측 모드 및 코딩된 블록 플래그(cbf)를 위한 개선된 컨텍스트 설계를 위한 방법 및 장치 - Google Patents

예측 모드 및 코딩된 블록 플래그(cbf)를 위한 개선된 컨텍스트 설계를 위한 방법 및 장치 Download PDF

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KR102458813B1
KR102458813B1 KR1020207032849A KR20207032849A KR102458813B1 KR 102458813 B1 KR102458813 B1 KR 102458813B1 KR 1020207032849 A KR1020207032849 A KR 1020207032849A KR 20207032849 A KR20207032849 A KR 20207032849A KR 102458813 B1 KR102458813 B1 KR 102458813B1
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prediction mode
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coded
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KR20200142067A (ko
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신 자오
샹 리
산 류
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텐센트 아메리카 엘엘씨
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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
    • H04N19/10—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
    • 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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal 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
    • H04N19/103—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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/50—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
    • H04N19/70—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
    • 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
    • H04N19/90—Methods 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
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

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KR1020207032849A 2018-11-14 2019-11-12 예측 모드 및 코딩된 블록 플래그(cbf)를 위한 개선된 컨텍스트 설계를 위한 방법 및 장치 Active KR102458813B1 (ko)

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KR1020227036652A KR102637503B1 (ko) 2018-11-14 2019-11-12 비디오 시퀀스의 디코딩 또는 인코딩을 위한 인트라-인터 예측 모드를 제어하기 위한 방법 및 장치

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US201862767473P 2018-11-14 2018-11-14
US62/767,473 2018-11-14
US16/454,294 US10848763B2 (en) 2018-11-14 2019-06-27 Method and apparatus for improved context design for prediction mode and coded block flag (CBF)
US16/454,294 2019-06-27
PCT/US2019/060889 WO2020102173A2 (en) 2018-11-14 2019-11-12 Method and apparatus for improved context design for prediction mode and coded block flag (cbf)

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KR102458813B1 true KR102458813B1 (ko) 2022-10-26

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KR1020227036652A Active KR102637503B1 (ko) 2018-11-14 2019-11-12 비디오 시퀀스의 디코딩 또는 인코딩을 위한 인트라-인터 예측 모드를 제어하기 위한 방법 및 장치

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US (4) US10848763B2 (enExample)
EP (1) EP3881536A4 (enExample)
JP (5) JP7011735B2 (enExample)
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CN (2) CN115623202B (enExample)
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TWI846782B (zh) * 2018-12-14 2024-07-01 美商松下電器（美國）知識產權公司 編碼裝置及解碼裝置
CA3134398A1 (en) 2019-03-23 2020-10-01 Huawei Technologies Co., Ltd. An encoder, a decoder and corresponding methods for intra prediction
KR102710817B1 (ko) * 2019-07-05 2024-09-26 엘지전자 주식회사 영상 디코딩 방법 및 그 장치
KR102442653B1 (ko) * 2019-09-07 2022-09-13 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 비디오 코딩에서의 예측 모드 시그널링
US11943432B2 (en) * 2021-04-26 2024-03-26 Tencent America LLC Decoder side intra mode derivation
US12137237B2 (en) * 2021-06-10 2024-11-05 Tencent America LLC Zero residual flag coding
CN114710678B (zh) * 2022-03-01 2025-04-29 北京达佳互联信息技术有限公司 编码方法及装置
US12256100B2 (en) * 2022-07-01 2025-03-18 Tencent America LLC Dynamic mesh vertex displacements coding
US20250168358A1 (en) * 2023-11-21 2025-05-22 Tencent America LLC Fine-grained intra prediction fusion

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JP7544442B2 (ja) 2024-09-03
US20240146928A1 (en) 2024-05-02
WO2020102173A3 (en) 2020-06-18
US20200154107A1 (en) 2020-05-14
KR20200142067A (ko) 2020-12-21
EP3881536A2 (en) 2021-09-22
US11388404B2 (en) 2022-07-12
US20210044803A1 (en) 2021-02-11
KR102637503B1 (ko) 2024-02-19
US20220303540A1 (en) 2022-09-22
EP3881536A4 (en) 2022-09-07
WO2020102173A2 (en) 2020-05-22
JP7302044B2 (ja) 2023-07-03
CN115623202A (zh) 2023-01-17
CN115623202B (zh) 2025-02-14
US10848763B2 (en) 2020-11-24
JP2023120367A (ja) 2023-08-29
JP2025134858A (ja) 2025-09-17
CN112005549A (zh) 2020-11-27
JP2021520157A (ja) 2021-08-12
JP2022050621A (ja) 2022-03-30
KR20220150405A (ko) 2022-11-10
JP7701528B2 (ja) 2025-07-01
US11909976B2 (en) 2024-02-20
JP7011735B2 (ja) 2022-01-27
JP2024161516A (ja) 2024-11-19
CN112005549B (zh) 2022-08-16

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