JP7365234B2 - 基準サンプルが欠落している場合、イントラ予測を改善する方法 - Google Patents

基準サンプルが欠落している場合、イントラ予測を改善する方法 Download PDF

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JP7365234B2
JP7365234B2 JP2019515624A JP2019515624A JP7365234B2 JP 7365234 B2 JP7365234 B2 JP 7365234B2 JP 2019515624 A JP2019515624 A JP 2019515624A JP 2019515624 A JP2019515624 A JP 2019515624A JP 7365234 B2 JP7365234 B2 JP 7365234B2
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JP2019533348A (ja
JP2019533348A5 (cg-RX-API-DMAC7.html
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ラケイプ，ファビアン
ギャルピン，フランク
ポワリエ，タンギ
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インターデジタル ヴイシー ホールディングス， インコーポレイテッド
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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
    • H04N19/103—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
    • H04N19/132—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
    • H04N19/134—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
    • H04N19/10—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
    • H04N19/182—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 a pixel

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JP2019515624A 2016-09-27 2017-09-18 基準サンプルが欠落している場合、イントラ予測を改善する方法 Active JP7365234B2 (ja)

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EP16306238.3A EP3300362A1 (en) 2016-09-27 2016-09-27 Method for improved intra prediction when reference samples are missing
EP16306238.3 2016-09-27
PCT/EP2017/073494 WO2018059992A1 (en) 2016-09-27 2017-09-18 Method for improved intra prediction when reference samples are missing

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KR102835516B1 (ko) * 2017-01-20 2025-07-16 세종대학교산학협력단 비디오 신호의 부호화 또는 복호화 방법 및 장치
US11363279B2 (en) 2019-04-15 2022-06-14 Tencent America LLC Method and apparatus in video coding with flexible coding order
WO2022103240A1 (ko) * 2020-11-16 2022-05-19 현대자동차주식회사 크로마 인트라 방향성 예측모드를 적응적으로 결정하는 영상 부호화 및 복호화 방법
WO2022108422A1 (ko) * 2020-11-23 2022-05-27 현대자동차주식회사 적응적 참조화소 선택을 이용한 영상 부호화 및 복호화 방법
WO2025159626A1 (ko) * 2024-01-23 2025-07-31 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체

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KR20240052895A (ko) 2024-04-23
KR20190053257A (ko) 2019-05-17
US20220312000A1 (en) 2022-09-29
US20190273918A1 (en) 2019-09-05
JP2019533348A (ja) 2019-11-14
EP3520398A1 (en) 2019-08-07
US11363254B2 (en) 2022-06-14
EP3300362A1 (en) 2018-03-28
KR102658747B1 (ko) 2024-04-19
US11863739B2 (en) 2024-01-02
US20240163424A1 (en) 2024-05-16
KR20220155402A (ko) 2022-11-22
CN109804623A (zh) 2019-05-24
US20200413041A1 (en) 2020-12-31
WO2018059992A1 (en) 2018-04-05
CN116647674A (zh) 2023-08-25
US10834387B2 (en) 2020-11-10
JP2023175946A (ja) 2023-12-12

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