KR20210125506A - 비디오 코딩에서 인트라 블록 복사를 위한 버퍼 관리 - Google Patents

비디오 코딩에서 인트라 블록 복사를 위한 버퍼 관리 Download PDF

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KR20210125506A
KR20210125506A KR1020217026974A KR20217026974A KR20210125506A KR 20210125506 A KR20210125506 A KR 20210125506A KR 1020217026974 A KR1020217026974 A KR 1020217026974A KR 20217026974 A KR20217026974 A KR 20217026974A KR 20210125506 A KR20210125506 A KR 20210125506A
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지장 수
리 장
카이 장
홍빈 리우
유에 왕
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베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드
바이트댄스 아이엔씨
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • 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
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    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
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    • 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
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    • 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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H—ELECTRICITY
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    • 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
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    • H04N19/184—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 bits, e.g. of the compressed video stream
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    • H04N19/186—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 colour or a chrominance component
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    • H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
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    • 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
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    • 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
    • H04N19/43—Hardware specially adapted for motion estimation or compensation
    • H04N19/433—Hardware specially adapted for motion estimation or compensation characterised by techniques for memory access
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    • 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
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
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    • 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
    • H04N19/90—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
    • H04N19/96—Tree coding, e.g. quad-tree coding

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  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020217026974A 2019-03-04 2020-03-02 비디오 코딩에서 인트라 블록 복사를 위한 버퍼 관리 Ceased KR20210125506A (ko)

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Application Number Priority Date Filing Date Title
KR1020247028642A KR20240132530A (ko) 2019-03-04 2020-03-02 비디오 코딩에서 인트라 블록 복사의 구현 형태

Applications Claiming Priority (15)

Application Number Priority Date Filing Date Title
CN2019076848 2019-03-04
CNPCT/CN2019/076848 2019-03-04
CN2019077725 2019-03-11
CNPCT/CN2019/077725 2019-03-11
CNPCT/CN2019/079151 2019-03-21
CN2019079151 2019-03-21
CN2019085862 2019-05-07
CNPCT/CN2019/085862 2019-05-07
CN2019088129 2019-05-23
CNPCT/CN2019/088129 2019-05-23
CN2019091691 2019-06-18
CNPCT/CN2019/091691 2019-06-18
CNPCT/CN2019/093552 2019-06-28
CN2019093552 2019-06-28
PCT/CN2020/077418 WO2020177662A1 (en) 2019-03-01 2020-03-02 Implementation aspects in intra block copy in video coding

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KR1020247028642A Pending KR20240132530A (ko) 2019-03-04 2020-03-02 비디오 코딩에서 인트라 블록 복사의 구현 형태

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US (2) US11546581B2 (https=)
EP (1) EP3915252A4 (https=)
JP (2) JP7284284B2 (https=)
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CN (2) CN113508581B (https=)

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CN114097221B (zh) 2019-07-11 2024-01-12 北京字节跳动网络技术有限公司 用于视频编解码中的帧内块复制的比特流一致性约束
WO2021013240A1 (en) 2019-07-25 2021-01-28 Beijing Bytedance Network Technology Co., Ltd. Mapping restriction for intra-block copy virtual buffer

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US20220353494A1 (en) 2022-11-03
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JP2023109896A (ja) 2023-08-08
KR20240132530A (ko) 2024-09-03
US11546581B2 (en) 2023-01-03
JP2022522738A (ja) 2022-04-20
JP7284284B2 (ja) 2023-05-30
CN113508581A (zh) 2021-10-15
US20210368164A1 (en) 2021-11-25
US11985308B2 (en) 2024-05-14
CN117640927A (zh) 2024-03-01
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