CN115190308B - 视频解码的方法及装置 - Google Patents

视频解码的方法及装置 Download PDF

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CN115190308B
CN115190308B CN202210402497.4A CN202210402497A CN115190308B CN 115190308 B CN115190308 B CN 115190308B CN 202210402497 A CN202210402497 A CN 202210402497A CN 115190308 B CN115190308 B CN 115190308B
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CN115190308A (zh
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许晓中
刘杉
李翔
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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
    • H04N19/157—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
    • H04N19/42—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
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • 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
    • H04N19/90—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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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202210402497.4A 2019-01-15 2020-01-06 视频解码的方法及装置 Active CN115190308B (zh)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201962792888P 2019-01-15 2019-01-15
US62/792,888 2019-01-15
US16/533,719 US10771799B2 (en) 2019-01-15 2019-08-06 Method and apparatus for video coding
US16/533,719 2019-08-06
PCT/US2020/012367 WO2020150026A1 (en) 2019-01-15 2020-01-06 Method and apparatus for video coding
CN202080007838.7A CN113273201B (zh) 2019-01-15 2020-01-06 视频解码的方法、装置、介质及计算机设备

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CN202210404130.6A Active CN114979657B (zh) 2019-01-15 2020-01-06 视频解码的方法、装置、计算机设备及存储介质
CN202080007838.7A Active CN113273201B (zh) 2019-01-15 2020-01-06 视频解码的方法、装置、介质及计算机设备
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CN202210404130.6A Active CN114979657B (zh) 2019-01-15 2020-01-06 视频解码的方法、装置、计算机设备及存储介质
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US (4) US10771799B2 (enExample)
EP (1) EP3912349A4 (enExample)
JP (4) JP7210732B2 (enExample)
KR (2) KR20230035703A (enExample)
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US11979560B2 (en) * 2021-08-25 2024-05-07 Tencent America LLC Intra block copy with an adaptive local reference range
US12120290B2 (en) 2021-09-17 2024-10-15 Tencent America LLC Method and apparatus for intra block copy mode coding with search range switching
CN115996214A (zh) * 2021-10-20 2023-04-21 腾讯科技（深圳）有限公司 多媒体数据处理方法、装置、设备及存储介质
CN116095311B (zh) * 2022-07-26 2025-01-24 杭州海康威视数字技术股份有限公司 一种编解码方法、装置及其设备
KR20250140552A (ko) * 2023-01-19 2025-09-25 인텔렉추얼디스커버리 주식회사 인터 예측 기반의 영상 부호화/복호화 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
WO2024215155A1 (ko) * 2023-04-14 2024-10-17 한국전자통신연구원 영상 부호화/복호화를 위한 방법, 장치 및 기록 매체
WO2024215150A1 (ko) * 2023-04-14 2024-10-17 한국전자통신연구원 영상 부호화/복호화를 위한 방법, 장치 및 기록 매체

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KR20230035703A (ko) 2023-03-14
CN114827598A (zh) 2022-07-29
JP7648830B2 (ja) 2025-03-18
US11778214B2 (en) 2023-10-03
JP2023040204A (ja) 2023-03-22
US10771799B2 (en) 2020-09-08
CN115190308A (zh) 2022-10-14
WO2020150026A1 (en) 2020-07-23
JP2024096922A (ja) 2024-07-17
US20210235102A1 (en) 2021-07-29
JP7476367B2 (ja) 2024-04-30
CN114827598B (zh) 2024-08-23
US20230403405A1 (en) 2023-12-14
EP3912349A4 (en) 2022-03-16
CN114979657B (zh) 2024-07-12
CN113273201B (zh) 2022-03-04
US20200228814A1 (en) 2020-07-16
US20200366917A1 (en) 2020-11-19
WO2020150026A8 (en) 2020-10-29
CN114979657A (zh) 2022-08-30
US12301852B2 (en) 2025-05-13
JP2022509172A (ja) 2022-01-20
KR102506619B1 (ko) 2023-03-07
JP2025087842A (ja) 2025-06-10
US11006140B2 (en) 2021-05-11
KR20210077766A (ko) 2021-06-25
JP7210732B2 (ja) 2023-01-23
CN113273201A (zh) 2021-08-17
EP3912349A1 (en) 2021-11-24

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