KR20230044015A - 적응적 로컬 참조 범위가 있는 인트라 블록 복사 - Google Patents

적응적 로컬 참조 범위가 있는 인트라 블록 복사 Download PDF

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KR20230044015A
KR20230044015A KR1020237007642A KR20237007642A KR20230044015A KR 20230044015 A KR20230044015 A KR 20230044015A KR 1020237007642 A KR1020237007642 A KR 1020237007642A KR 20237007642 A KR20237007642 A KR 20237007642A KR 20230044015 A KR20230044015 A KR 20230044015A
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Korean (ko)
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신 자오
샤오종 수
샨 리우
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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
    • H04N19/102—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
    • H04N19/136—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
    • 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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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020237007642A 2021-08-25 2022-08-24 적응적 로컬 참조 범위가 있는 인트라 블록 복사 Pending KR20230044015A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
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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KR20230044015A true KR20230044015A (ko) 2023-03-31

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US (2) US11979560B2 (enExample)
EP (1) EP4393154A4 (enExample)
JP (2) JP7534032B2 (enExample)
KR (1) KR20230044015A (enExample)
CN (1) CN116686290B (enExample)
WO (1) WO2023028522A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
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

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105430417B (zh) * 2014-09-22 2020-02-07 中兴通讯股份有限公司 编码方法、解码方法、装置及电子设备
US9955185B2 (en) * 2015-02-12 2018-04-24 Mediatek Inc. Method and apparatus of constrained intra block copy for coding video
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
CN117880497A (zh) 2018-11-30 2024-04-12 腾讯美国有限责任公司 用于视频编解码的方法和装置
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
US10771799B2 (en) 2019-01-15 2020-09-08 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
WO2020156549A1 (en) 2019-02-02 2020-08-06 Beijing Bytedance Network Technology Co., Ltd. Buffer access methods for intra block copy in video coding
US11595662B2 (en) * 2019-02-06 2023-02-28 Tencent America LLC Method and apparatus for neighboring block availability in video coding
WO2020177661A1 (en) * 2019-03-01 2020-09-10 Beijing Bytedance Network Technology Co., Ltd. Order-based updating for intra block copy 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
WO2021004348A1 (en) 2019-07-06 2021-01-14 Beijing Bytedance Network Technology Co., Ltd. Virtual prediction buffer for intra block copy in video coding
US20220353498A1 (en) * 2020-01-03 2022-11-03 Intel Corporation Video coding with multiple intra block copy modes
US12388975B2 (en) * 2021-06-25 2025-08-12 Intel Corporation Method and system of video coding with efficient intra block copying

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Publication number Publication date
EP4393154A1 (en) 2024-07-03
US20230061216A1 (en) 2023-03-02
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
JP7534032B2 (ja) 2024-08-14

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