CN121750860A - 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
CN121750860A
CN121750860A CN202610168029.3A CN202610168029A CN121750860A CN 121750860 A CN121750860 A CN 121750860A CN 202610168029 A CN202610168029 A CN 202610168029A CN 121750860 A CN121750860 A CN 121750860A
Authority
CN
China
Prior art keywords
cdef
component
luminance
chrominance
filter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202610168029.3A
Other languages
English (en)
Chinese (zh)
Inventor
杜祎鑫
赵亮
赵欣
刘杉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tencent America LLC
Original Assignee
Tencent America LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tencent America LLC filed Critical Tencent America LLC
Publication of CN121750860A publication Critical patent/CN121750860A/zh
Pending legal-status Critical Current

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Classifications

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

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US202063040856P 2020-06-18 2020-06-18
US63/040,856 2020-06-18
US17/091,759 2020-11-06
US17/091,759 US11483557B2 (en) 2020-06-18 2020-11-06 Separate constrained directional enhancement filter
PCT/US2021/016202 WO2021257125A1 (en) 2020-06-18 2021-02-02 Separate constrained directional enhancement filter
CN202180005318.7A CN114731400B (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

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN202180005318.7A Division CN114731400B (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

Publications (1)

Publication Number Publication Date
CN121750860A true CN121750860A (zh) 2026-03-27

Family

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Application Number Title Priority Date Filing Date
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
CN202180005318.7A Active CN114731400B (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 Status (6)

Country Link
US (3) US11483557B2 (https=)
EP (2) EP4546771A3 (https=)
JP (3) JP7338054B2 (https=)
KR (2) KR20250164320A (https=)
CN (2) CN121750860A (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
WO2024091094A1 (ko) * 2022-10-28 2024-05-02 주식회사 케이티 영상 부호화/복호화 방법 및 비트스트림을 저장하는 기록 매체
EP4462777A1 (en) * 2023-05-11 2024-11-13 Ateme Method for image processing and apparatus for implementing the same

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
PL3804314T3 (pl) * 2018-05-29 2024-05-20 Interdigital Vc Holdings, Inc. Sposób i urządzenie do kodowania i dekodowania wideo z częściowo współdzielonymi drzewami kodowania luma i chroma
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

Also Published As

Publication number Publication date
KR20250164320A (ko) 2025-11-24
JP7827803B2 (ja) 2026-03-10
EP4546771A3 (en) 2025-07-02
CN114731400A (zh) 2022-07-08
EP3987783B1 (en) 2025-04-23
KR102882839B1 (ko) 2025-11-10
CN114731400B (zh) 2026-01-30
US11483557B2 (en) 2022-10-25
US20230016219A1 (en) 2023-01-19
US20250055992A1 (en) 2025-02-13
US12225192B2 (en) 2025-02-11
EP3987783A4 (en) 2022-08-24
JP7571228B2 (ja) 2024-10-22
JP2023156500A (ja) 2023-10-24
US20210400266A1 (en) 2021-12-23
EP3987783A1 (en) 2022-04-27
JP7338054B2 (ja) 2023-09-04
KR20220051405A (ko) 2022-04-26
JP2022553320A (ja) 2022-12-22
EP4546771A2 (en) 2025-04-30
WO2021257125A1 (en) 2021-12-23
JP2024180483A (ja) 2024-12-26

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