JP7443527B2 - ビデオコーディングのための方法、装置及びプログラム - Google Patents

ビデオコーディングのための方法、装置及びプログラム Download PDF

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JP7443527B2
JP7443527B2 JP2022537417A JP2022537417A JP7443527B2 JP 7443527 B2 JP7443527 B2 JP 7443527B2 JP 2022537417 A JP2022537417 A JP 2022537417A JP 2022537417 A JP2022537417 A JP 2022537417A JP 7443527 B2 JP7443527 B2 JP 7443527B2
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filter
restoration
filter unit
determining
restoration filter
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JP2023508292A (ja
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イエア，セフーン
ドゥ，イシン
ジャオ，シン
リィウ，シャン
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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
    • H04N19/117—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
    • H04N19/103—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
    • H04N19/134—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)
JP2022537417A 2020-10-14 2021-07-01 ビデオコーディングのための方法、装置及びプログラム Active JP7443527B2 (ja)

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JP2024024379A JP7767483B2 (ja) 2020-10-14 2024-02-21 ビデオコーディングのための方法、装置及びプログラム

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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

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US (2) US11611770B2 (https=)
EP (1) EP4052234A4 (https=)
JP (2) JP7443527B2 (https=)
KR (1) KR20220113537A (https=)
CN (1) CN115004696B (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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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
US20190045186A1 (en) 2018-05-31 2019-02-07 Intel Corporation Constrained directional enhancement filter selection for video coding
US20190052911A1 (en) 2018-06-06 2019-02-14 Intel Corporation Loop restoration filtering for super resolution video coding
JP2019140692A (ja) 2011-11-04 2019-08-22 エルジー エレクトロニクス インコーポレイティド 映像情報符号化／復号方法及び装置

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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
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
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
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US11277644B2 (en) * 2018-07-02 2022-03-15 Qualcomm Incorporated Combining mode dependent intra smoothing (MDIS) with intra interpolation filter switching
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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
JP2019140692A (ja) 2011-11-04 2019-08-22 エルジー エレクトロニクス インコーポレイティド 映像情報符号化／復号方法及び装置
US20190045186A1 (en) 2018-05-31 2019-02-07 Intel Corporation Constrained directional enhancement filter selection for video coding
US20190052911A1 (en) 2018-06-06 2019-02-14 Intel Corporation Loop restoration filtering for super resolution video coding

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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
US12143613B2 (en) 2024-11-12
WO2022081218A1 (en) 2022-04-21
US20230085672A1 (en) 2023-03-23
EP4052234A1 (en) 2022-09-07
CN115004696B (zh) 2026-03-31
US11611770B2 (en) 2023-03-21

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