KR20220113537A - 비디오 코딩 방법 및 장치 - Google Patents

비디오 코딩 방법 및 장치 Download PDF

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Publication number
KR20220113537A
KR20220113537A KR1020227025659A KR20227025659A KR20220113537A KR 20220113537 A KR20220113537 A KR 20220113537A KR 1020227025659 A KR1020227025659 A KR 1020227025659A KR 20227025659 A KR20227025659 A KR 20227025659A KR 20220113537 A KR20220113537 A KR 20220113537A
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South Korea
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filter
filter unit
reconstruction
video
reconstructed
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Korean (ko)
Inventor
세훈 예
이신 두
신 자오
샨 리우
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텐센트 아메리카 엘엘씨
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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)
KR1020227025659A 2020-10-14 2021-07-01 비디오 코딩 방법 및 장치 Ceased KR20220113537A (ko)

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

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KR20220113537A true KR20220113537A (ko) 2022-08-12

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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
US11282172B2 (en) 2018-12-11 2022-03-22 Google Llc Guided restoration of video data using neural networks
JP7125559B2 (ja) * 2018-12-24 2022-08-24 グーグル エルエルシー ビットレート削減のためのビデオストリーム適応フィルタリング
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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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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
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
CN115004696B (zh) 2026-03-31
US11611770B2 (en) 2023-03-21

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