JP7534032B2 - 適応的ローカル参照範囲によるイントラブロックコピー - Google Patents

適応的ローカル参照範囲によるイントラブロックコピー Download PDF

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JP7534032B2
JP7534032B2 JP2023532307A JP2023532307A JP7534032B2 JP 7534032 B2 JP7534032 B2 JP 7534032B2 JP 2023532307 A JP2023532307 A JP 2023532307A JP 2023532307 A JP2023532307 A JP 2023532307A JP 7534032 B2 JP7534032 B2 JP 7534032B2
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JP2023552141A (ja
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ジャオ，シン
シュー，シャオジョン
リウ，シャン
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Tencent America LLC
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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
    • H04N19/102—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
    • H04N19/132—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
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/57—Motion estimation characterised by a search window with variable size or shape
    • 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

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  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2023532307A 2021-08-25 2022-08-24 適応的ローカル参照範囲によるイントラブロックコピー Active JP7534032B2 (ja)

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JP2024120788A JP2024156757A (ja) 2021-08-25 2024-07-26 適応的ローカル参照範囲によるイントラブロックコピー

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US202163237098P 2021-08-25 2021-08-25
US63/237,098 2021-08-25
US17/893,877 2022-08-23
US17/893,877 US11979560B2 (en) 2021-08-25 2022-08-23 Intra block copy with an adaptive local reference range
PCT/US2022/075402 WO2023028522A1 (en) 2021-08-25 2022-08-24 Intra block copy with an adaptive local reference range

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US (2) US11979560B2 (enExample)
EP (1) EP4393154A4 (enExample)
JP (2) JP7534032B2 (enExample)
KR (1) KR20230044015A (enExample)
CN (1) CN116686290B (enExample)
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Publication number Priority date Publication date Assignee Title
EP4320866A1 (en) * 2021-04-09 2024-02-14 InterDigital CE Patent Holdings, SAS Spatial illumination compensation on large areas
WO2024209028A1 (en) * 2023-04-07 2024-10-10 Interdigital Ce Patent Holdings, Sas Padding of non-available intra samples in block-vector-based intra prediction
US20250126270A1 (en) * 2023-10-14 2025-04-17 Tencent America LLC Restricted region of intra prediction to support parallel processing

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WO2020113156A1 (en) 2018-11-30 2020-06-04 Tencent America LLC Method and apparatus for video coding
WO2020150026A1 (en) 2019-01-15 2020-07-23 Tencent America Llc. Method and apparatus for video coding
WO2020156541A1 (en) 2019-02-02 2020-08-06 Beijing Bytedance Network Technology Co., Ltd. Data storage in buffers for intra block copy in video coding
WO2020177662A1 (en) 2019-03-01 2020-09-10 Beijing Bytedance Network Technology Co., Ltd. Implementation aspects in intra block copy in video coding
WO2021004348A1 (en) 2019-07-06 2021-01-14 Beijing Bytedance Network Technology Co., Ltd. Virtual prediction buffer for intra block copy in video coding

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KR20180016348A (ko) * 2015-06-05 2018-02-14 소니 주식회사 화상 처리 장치 및 화상 처리 방법
EP3304907B1 (en) * 2015-06-08 2022-03-23 VID SCALE, Inc. Intra block copy mode for screen content coding
CN113261290B (zh) * 2018-12-28 2024-03-12 北京字节跳动网络技术有限公司 基于修改历史的运动预测
US11240518B2 (en) * 2019-01-06 2022-02-01 Tencent America LLC Method and apparatus for video coding
US10904557B2 (en) * 2019-01-22 2021-01-26 Tencent America LLC Method and apparatus for video coding
US11595662B2 (en) * 2019-02-06 2023-02-28 Tencent America LLC Method and apparatus for neighboring block availability in video coding
CN117640927A (zh) * 2019-03-04 2024-03-01 北京字节跳动网络技术有限公司 视频编解码中的帧内块复制中的实施方式方面
EP3925223A4 (en) * 2019-03-11 2022-12-07 Beijing Dajia Internet Information Technology Co., Ltd. INTRA BLOCK COPY FOR SCREEN CONTENT CODING
CN113994669B (zh) * 2019-06-18 2025-11-21 Lg电子株式会社 基于bdpcm的图像解码方法及其设备
WO2020256466A1 (ko) * 2019-06-19 2020-12-24 한국전자통신연구원 화면 내 예측 모드 및 엔트로피 부호화/복호화 방법 및 장치
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WO2020113156A1 (en) 2018-11-30 2020-06-04 Tencent America LLC Method and apparatus for video coding
WO2020150026A1 (en) 2019-01-15 2020-07-23 Tencent America Llc. Method and apparatus for video coding
WO2020156541A1 (en) 2019-02-02 2020-08-06 Beijing Bytedance Network Technology Co., Ltd. Data storage in buffers for intra block copy in video coding
WO2020177662A1 (en) 2019-03-01 2020-09-10 Beijing Bytedance Network Technology Co., Ltd. Implementation aspects in intra block copy in video coding
WO2021004348A1 (en) 2019-07-06 2021-01-14 Beijing Bytedance Network Technology Co., Ltd. Virtual prediction buffer for intra block copy in video coding

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EP4393154A1 (en) 2024-07-03
US20230061216A1 (en) 2023-03-02
KR20230044015A (ko) 2023-03-31
JP2023552141A (ja) 2023-12-14
US20240244188A1 (en) 2024-07-18
WO2023028522A1 (en) 2023-03-02
US11979560B2 (en) 2024-05-07
CN116686290B (zh) 2024-07-16
JP2024156757A (ja) 2024-11-06
US12413708B2 (en) 2025-09-09
EP4393154A4 (en) 2024-12-11
CN116686290A (zh) 2023-09-01

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