CN116016914B - 视频编解码方法、视频编解码器及计算机可读介质 - Google Patents

视频编解码方法、视频编解码器及计算机可读介质 Download PDF

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CN116016914B
CN116016914B CN202310004608.0A CN202310004608A CN116016914B CN 116016914 B CN116016914 B CN 116016914B CN 202310004608 A CN202310004608 A CN 202310004608A CN 116016914 B CN116016914 B CN 116016914B
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ctu
block
size
video
memory
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CN116016914A (zh
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许晓中
刘杉
李翔
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Tencent America LLC
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42Methods 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
    • H04N19/423Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/12Selection 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
    • H04N19/122Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H04N19/45Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder performing compensation of the inverse transform mismatch, e.g. Inverse Discrete Cosine Transform [IDCT] mismatch
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods 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
    • H04N19/96Tree coding, e.g. quad-tree coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
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CN202310004608.0A 2019-01-13 2020-01-13 视频编解码方法、视频编解码器及计算机可读介质 Active CN116016914B (zh)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201962791862P 2019-01-13 2019-01-13
US62/791,862 2019-01-13
US16/502,822 US10701385B1 (en) 2019-01-13 2019-07-03 Method and apparatus for reference sample memory reuse for intra picture block compensation
US16/502,822 2019-07-03
PCT/US2020/013355 WO2020146882A1 (en) 2019-01-13 2020-01-13 Method and apparatus for reference sample memory reuse for intra picture block compensation
CN202080007690.7A CN113273200B (zh) 2019-01-13 2020-01-13 视频解码方法、解码器、非暂时性计算机可读介质、计算机设备

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CN202080007690.7A Active CN113273200B (zh) 2019-01-13 2020-01-13 视频解码方法、解码器、非暂时性计算机可读介质、计算机设备

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JP (3) JP7027617B2 (https=)
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CA2961089C (en) 2014-09-30 2023-03-28 Microsoft Technology Licensing, Llc Hash-based encoder decisions for video coding
US10848782B2 (en) 2018-09-21 2020-11-24 Tencent America LLC Method and apparatus for video coding
US10701385B1 (en) 2019-01-13 2020-06-30 Tencent America LLC Method and apparatus for reference sample memory reuse for intra picture block compensation
US10771799B2 (en) 2019-01-15 2020-09-08 Tencent America LLC Method and apparatus for video coding
KR102621959B1 (ko) * 2019-03-04 2024-01-05 후아웨이 테크놀러지 컴퍼니 리미티드 임의의 ctu 크기에 대한 ibc 검색 범위 최적화를 사용하는 인코더, 디코더 및 대응하는 방법
CN114666607B (zh) 2019-03-09 2025-02-07 腾讯美国有限责任公司 视频编解码方法、装置及介质
WO2021190438A1 (en) 2020-03-21 2021-09-30 Beijing Bytedance Network Technology Co., Ltd. Combination of subpictures and scalability
KR102902579B1 (ko) 2020-04-19 2025-12-18 두인 비전 컴퍼니 리미티드 변환 스킵 잔차 코딩
US11202085B1 (en) * 2020-06-12 2021-12-14 Microsoft Technology Licensing, Llc Low-cost hash table construction and hash-based block matching for variable-size blocks
KR102850965B1 (ko) * 2020-06-20 2025-08-26 두인 비전 컴퍼니 리미티드 상이한 코딩 블록 크기를 이용한 계층간 예측
CN119545002A (zh) 2020-08-20 2025-02-28 腾讯科技(深圳)有限公司 视频解码方法、视频编码方法、装置、设备及存储介质
US11496729B2 (en) * 2020-10-19 2022-11-08 Tencent America LLC Method and apparatus for video coding
US11503336B2 (en) 2020-12-07 2022-11-15 Tencent America LLC Method and apparatus for video coding
US11979560B2 (en) * 2021-08-25 2024-05-07 Tencent America LLC Intra block copy with an adaptive local reference range
US12604008B2 (en) * 2023-11-22 2026-04-14 Tencent America LLC Adaptive clipping in models parameters derivations methods for video compression

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CN107852499B (zh) * 2015-04-13 2021-05-07 联发科技股份有限公司 用于视频数据的视频编解码方法
US10848782B2 (en) * 2018-09-21 2020-11-24 Tencent America LLC Method and apparatus for video coding
US10701385B1 (en) 2019-01-13 2020-06-30 Tencent America LLC Method and apparatus for reference sample memory reuse for intra picture block compensation

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Publication number Publication date
EP3763126A4 (en) 2022-03-02
CN116016914A (zh) 2023-04-25
US20230412829A1 (en) 2023-12-21
US20230007289A1 (en) 2023-01-05
US12167011B2 (en) 2024-12-10
KR20250173594A (ko) 2025-12-10
KR20220133319A (ko) 2022-10-04
KR102447508B1 (ko) 2022-09-27
JP7391121B2 (ja) 2023-12-04
JP2022508273A (ja) 2022-01-19
US20200288160A1 (en) 2020-09-10
CN113273200B (zh) 2022-11-29
WO2020146882A1 (en) 2020-07-16
JP7027617B2 (ja) 2022-03-01
JP2024016276A (ja) 2024-02-06
US20200228818A1 (en) 2020-07-16
EP3763126A1 (en) 2021-01-13
JP2022059032A (ja) 2022-04-12
JP7612814B2 (ja) 2025-01-14
US11785240B2 (en) 2023-10-10
US20210258596A1 (en) 2021-08-19
US20250080767A1 (en) 2025-03-06
US11483581B2 (en) 2022-10-25
KR20250173595A (ko) 2025-12-10
CN113273200A (zh) 2021-08-17
US11039158B2 (en) 2021-06-15
KR20210089785A (ko) 2021-07-16
US10701385B1 (en) 2020-06-30

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