CN115004696B - 视频解码方法、装置、电子设备和计算机可读存储介质 - Google Patents

视频解码方法、装置、电子设备和计算机可读存储介质

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Publication number
CN115004696B
CN115004696B CN202180006050.9A CN202180006050A CN115004696B CN 115004696 B CN115004696 B CN 115004696B CN 202180006050 A CN202180006050 A CN 202180006050A CN 115004696 B CN115004696 B CN 115004696B
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China
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filter
filter unit
video
information
restoration
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Chinese (zh)
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CN115004696A (zh
Inventor
芮世薰
杜祎鑫
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
    • H04N19/44—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
    • H04N19/10—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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/134—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
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/50—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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202180006050.9A 2020-10-14 2021-07-01 视频解码方法、装置、电子设备和计算机可读存储介质 Active CN115004696B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202063091707P 2020-10-14 2020-10-14
US63/091,707 2020-10-14
US17/362,048 US11611770B2 (en) 2020-10-14 2021-06-29 Method and apparatus for video coding
US17/362,048 2021-06-29
PCT/US2021/040065 WO2022081218A1 (en) 2020-10-14 2021-07-01 Method and apparatus for video coding

Publications (2)

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CN115004696A CN115004696A (zh) 2022-09-02
CN115004696B true CN115004696B (zh) 2026-03-31

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US (2) US11611770B2 (https=)
EP (1) EP4052234A4 (https=)
JP (2) JP7443527B2 (https=)
KR (1) KR20220113537A (https=)
CN (1) CN115004696B (https=)
WO (1) WO2022081218A1 (https=)

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US12348789B1 (en) * 2021-07-22 2025-07-01 Meta Platforms, Inc. Optimization of constrained directional enhancement filtering (CDEF)
CN116128771A (zh) * 2022-12-15 2023-05-16 华能信息技术有限公司 一种基于约束方向增强滤波器的滤波方法
US20240357091A1 (en) * 2023-04-20 2024-10-24 Tencent America LLC Systems and methods for transform selection of extrapolation filter based intra prediction mode
CN117478893A (zh) * 2023-10-30 2024-01-30 北京百度网讯科技有限公司 图像编码方法、装置、电子设备和存储介质
WO2025096113A1 (en) * 2023-11-01 2025-05-08 Apple Inc. Techniques for contouring/banding artifact removal in compressed image/video
US20250310563A1 (en) * 2024-03-26 2025-10-02 Tencent America LLC Systems and methods of using adaptive transform kernel sizes

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JP2011223337A (ja) 2010-04-09 2011-11-04 Sony Corp 画像処理装置および方法
WO2011158657A1 (ja) * 2010-06-17 2011-12-22 シャープ株式会社 画像フィルタ装置、復号装置、符号化装置、および、データ構造
KR20130034566A (ko) * 2011-09-28 2013-04-05 한국전자통신연구원 제한된 오프셋 보상 및 루프 필터를 기반으로 하는 영상 부호화 및 복호화 방법 및 그 장치
JP2013093792A (ja) 2011-10-27 2013-05-16 Sony Corp 画像処理装置および方法
KR102138907B1 (ko) * 2011-11-04 2020-07-29 엘지전자 주식회사 영상 정보 인코딩/디코딩 방법 및 장치
CN104537620B (zh) * 2014-12-30 2017-04-12 华中科技大学 一种方向自适应图像去模糊方法
US10841593B2 (en) * 2015-06-18 2020-11-17 Qualcomm Incorporated Intra prediction and intra mode coding
US10681379B2 (en) 2015-09-29 2020-06-09 Qualcomm Incorporated Non-separable secondary transform for video coding with reorganizing
US10382781B2 (en) * 2016-09-28 2019-08-13 Qualcomm Incorporated Interpolation filters for intra prediction in video coding
US10855997B2 (en) 2017-04-14 2020-12-01 Mediatek Inc. Secondary transform kernel size selection
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
US11277644B2 (en) * 2018-07-02 2022-03-15 Qualcomm Incorporated Combining mode dependent intra smoothing (MDIS) with intra interpolation filter switching
US11303885B2 (en) * 2018-10-25 2022-04-12 Qualcomm Incorporated Wide-angle intra prediction smoothing and interpolation
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US12395628B2 (en) * 2022-03-11 2025-08-19 Qualcomm Incorporated Adaptive loop filter with samples before deblocking filter and samples before sample adaptive offsets

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Publication number Publication date
JP2023508292A (ja) 2023-03-02
EP4052234A4 (en) 2022-12-28
JP2024045681A (ja) 2024-04-02
JP7767483B2 (ja) 2025-11-11
CN115004696A (zh) 2022-09-02
US20220116635A1 (en) 2022-04-14
KR20220113537A (ko) 2022-08-12
JP7443527B2 (ja) 2024-03-05
US12143613B2 (en) 2024-11-12
WO2022081218A1 (en) 2022-04-21
US20230085672A1 (en) 2023-03-23
EP4052234A1 (en) 2022-09-07
US11611770B2 (en) 2023-03-21

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