CN114731400B - 视频解码方法、装置、计算机系统和存储介质 - Google Patents

视频解码方法、装置、计算机系统和存储介质

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Publication number
CN114731400B
CN114731400B CN202180005318.7A CN202180005318A CN114731400B CN 114731400 B CN114731400 B CN 114731400B CN 202180005318 A CN202180005318 A CN 202180005318A CN 114731400 B CN114731400 B CN 114731400B
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China
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component
filter
chrominance
luminance
block
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CN202180005318.7A
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Chinese (zh)
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CN114731400A (zh
Inventor
杜祎鑫
赵亮
赵欣
刘杉
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Tencent America LLC
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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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/169—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
    • H04N19/10—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
    • H04N19/186—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
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202180005318.7A 2020-06-18 2021-02-02 视频解码方法、装置、计算机系统和存储介质 Active CN114731400B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202610168029.3A CN121750860A (zh) 2020-06-18 2021-02-02 视频解码方法、装置、计算机系统和存储介质

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202063040856P 2020-06-18 2020-06-18
US63/040,856 2020-06-18
US17/091,759 US11483557B2 (en) 2020-06-18 2020-11-06 Separate constrained directional enhancement filter
US17/091,759 2020-11-06
PCT/US2021/016202 WO2021257125A1 (en) 2020-06-18 2021-02-02 Separate constrained directional enhancement filter

Related Child Applications (1)

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CN114731400A CN114731400A (zh) 2022-07-08
CN114731400B true CN114731400B (zh) 2026-01-30

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CN202610168029.3A Pending CN121750860A (zh) 2020-06-18 2021-02-02 视频解码方法、装置、计算机系统和存储介质

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Country Link
US (3) US11483557B2 (https=)
EP (2) EP4546771A3 (https=)
JP (3) JP7338054B2 (https=)
KR (2) KR20250164320A (https=)
CN (2) CN114731400B (https=)
WO (1) WO2021257125A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12348789B1 (en) * 2021-07-22 2025-07-01 Meta Platforms, Inc. Optimization of constrained directional enhancement filtering (CDEF)
EP4344201A1 (en) 2022-09-23 2024-03-27 Dolby Laboratories Licensing Corporation Cross-asset guided chroma reformatting for multi-asset imaging format
CN120130067A (zh) * 2022-10-28 2025-06-10 株式会社Kt 视频编码/解码方法和用于存储比特流的记录介质
EP4462777A1 (en) * 2023-05-11 2024-11-13 Ateme Method for image processing and apparatus for implementing the same

Family Cites Families (16)

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US7437013B2 (en) * 2003-12-23 2008-10-14 General Instrument Corporation Directional spatial video noise reduction
US7565020B2 (en) * 2004-07-03 2009-07-21 Microsoft Corp. System and method for image coding employing a hybrid directional prediction and wavelet lifting
US8634463B2 (en) * 2006-04-04 2014-01-21 Qualcomm Incorporated Apparatus and method of enhanced frame interpolation in video compression
US20170302965A1 (en) * 2016-04-15 2017-10-19 Google Inc. Adaptive directional loop filter
US11483559B2 (en) * 2018-05-29 2022-10-25 Interdigital Vc Holdings, Inc. Method and apparatus for video encoding and decoding with partially shared luma and chroma coding trees
US10645383B2 (en) * 2018-05-31 2020-05-05 Intel Corporation Constrained directional enhancement filter selection for video coding
US10687083B2 (en) * 2018-06-06 2020-06-16 Intel Corporation Loop restoration filtering for super resolution video coding
US10645409B2 (en) * 2018-06-26 2020-05-05 Google Llc Super-resolution loop restoration
US10674151B2 (en) * 2018-07-30 2020-06-02 Intel Corporation Adaptive in-loop filtering for video coding
KR102154407B1 (ko) * 2018-11-15 2020-09-09 한국전자기술연구원 타일 기반 스트리밍을 위한 모션 제한 av1 영상 부호화 방법 및 장치
JP2020107948A (ja) * 2018-12-26 2020-07-09 日本電気株式会社 映像符号化又は復号装置、及び映像符号化又は復号方法
PL3903484T3 (pl) * 2018-12-30 2025-11-17 Hfi Innovation Inc. Urządzenie i sposób kodowania za pomocą oddzielnych drzew kodowania luminacji i chrominancji z ograniczeniami
CN116193132A (zh) * 2019-01-03 2023-05-30 华为技术有限公司 色度块的预测方法和装置
US10652535B1 (en) * 2019-02-27 2020-05-12 Google Llc Memory-efficient filtering approach for image and video coding
US11303936B2 (en) * 2020-02-21 2022-04-12 Tencent America LLC Method and apparatus for filtering
US11750846B2 (en) * 2021-03-22 2023-09-05 Tencent America LLC Method and apparatus for video filtering

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Publication number Publication date
KR102882839B1 (ko) 2025-11-10
US11483557B2 (en) 2022-10-25
KR20250164320A (ko) 2025-11-24
EP4546771A2 (en) 2025-04-30
JP7827803B2 (ja) 2026-03-10
WO2021257125A1 (en) 2021-12-23
CN114731400A (zh) 2022-07-08
US20230016219A1 (en) 2023-01-19
EP3987783B1 (en) 2025-04-23
JP2023156500A (ja) 2023-10-24
US20250055992A1 (en) 2025-02-13
KR20220051405A (ko) 2022-04-26
EP3987783A4 (en) 2022-08-24
EP4546771A3 (en) 2025-07-02
JP2024180483A (ja) 2024-12-26
JP7338054B2 (ja) 2023-09-04
JP2022553320A (ja) 2022-12-22
US12225192B2 (en) 2025-02-11
JP7571228B2 (ja) 2024-10-22
US20210400266A1 (en) 2021-12-23
EP3987783A1 (en) 2022-04-27
CN121750860A (zh) 2026-03-27

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