KR102848845B1 - 비디오 코딩 방법 및 장치 - Google Patents

비디오 코딩 방법 및 장치

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Publication number
KR102848845B1
KR102848845B1 KR1020227005058A KR20227005058A KR102848845B1 KR 102848845 B1 KR102848845 B1 KR 102848845B1 KR 1020227005058 A KR1020227005058 A KR 1020227005058A KR 20227005058 A KR20227005058 A KR 20227005058A KR 102848845 B1 KR102848845 B1 KR 102848845B1
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video
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KR20220038710A (ko
Inventor
신 자오
이신 두
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
    • H04N19/124—Quantisation
    • 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
    • H04N19/157—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
    • H04N19/50—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020227005058A 2020-09-16 2021-06-01 비디오 코딩 방법 및 장치 Active KR102848845B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202063079322P 2020-09-16 2020-09-16
US63/079,322 2020-09-16
US17/315,989 US11595676B2 (en) 2020-09-16 2021-05-10 Method and apparatus for video coding
US17/315,989 2021-05-10
PCT/US2021/035230 WO2022060437A1 (en) 2020-09-16 2021-06-01 Method and apparatus for video coding

Publications (2)

Publication Number Publication Date
KR20220038710A KR20220038710A (ko) 2022-03-29
KR102848845B1 true KR102848845B1 (ko) 2025-08-21

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Country Link
US (2) US11595676B2 (enExample)
EP (1) EP3997671A4 (enExample)
JP (2) JP7480303B2 (enExample)
KR (1) KR102848845B1 (enExample)
CN (1) CN114600453A (enExample)
WO (1) WO2022060437A1 (enExample)

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US11595676B2 (en) * 2020-09-16 2023-02-28 Tencent America LLC Method and apparatus for video coding
US12058322B2 (en) * 2020-11-05 2024-08-06 Alibaba Group Holding Limited Methods and apparatuses for filtering intra predicted video blocks
US11770524B2 (en) * 2021-11-11 2023-09-26 Realtek Semiconductor Corp. Loop filter utilized in encoder and associated signal processing method
CA3247382A1 (en) * 2022-04-05 2023-10-12 Nokia Technologies Oy METHOD, APPARATUS AND COMPUTER PRODUCT-PROGRAM FOR ENCODING AND DECODING DIGITAL MEDIA CONTENT
EP4512076A1 (en) * 2022-04-20 2025-02-26 Beijing Bytedance Network Technology Co., Ltd. Method, apparatus, and medium for video processing
WO2024016982A1 (en) * 2022-07-20 2024-01-25 Mediatek Inc. Adaptive loop filter with adaptive filter strength
CN119866637A (zh) * 2022-09-16 2025-04-22 株式会社Kt 图像编码/解码方法以及存储比特流的记录介质
EP4344201A1 (en) 2022-09-23 2024-03-27 Dolby Laboratories Licensing Corporation Cross-asset guided chroma reformatting for multi-asset imaging format
EP4595434A1 (en) * 2022-09-30 2025-08-06 Beijing Dajia Internet Information Technology Co., Ltd. Methods and devices for adaptive loop filtering and cross-component adaptive loop filter
CN120513627A (zh) * 2023-01-11 2025-08-19 北京达佳互联信息技术有限公司 跨分量样点自适应偏移
CN121079976A (zh) * 2023-04-11 2025-12-05 抖音视界有限公司 在视频编解码中将边信息用于跨分量自适应环路滤波器
US20250113045A1 (en) * 2023-10-02 2025-04-03 Netflix, Inc. Techniques for debanding in the intra-prediction stage of a video coding pipeline
US20250142062A1 (en) * 2023-10-27 2025-05-01 Tencent America LLC Regression model-based intra prediction

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US20180063527A1 (en) * 2016-08-31 2018-03-01 Qualcomm Incorporated Cross-component filter

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WO2013102293A1 (en) 2012-01-04 2013-07-11 Mediatek Singapore Pte. Ltd. Improvements of luma-based chroma intra prediction
KR102276854B1 (ko) * 2014-07-31 2021-07-13 삼성전자주식회사 인루프 필터 파라미터 예측을 사용하는 비디오 부호화 방법 및 그 장치, 비디오 복호화 방법 및 그 장치
WO2016200242A1 (ko) * 2015-06-11 2016-12-15 한양대학교 산학협력단 적응적인 디블록킹 필터링을 이용하는 영상 부호화 방법과 영상 복호화 방법 및 장치
US11134259B2 (en) 2016-01-15 2021-09-28 Interdigital Madison Patent Holdings, Sas System and method for enhanced motion compensation using adaptive filtering
CN116708777A (zh) * 2016-07-18 2023-09-05 韩国电子通信研究院 图像编码/解码方法和装置以及存储比特流的记录介质
CN116320498A (zh) * 2016-11-28 2023-06-23 韩国电子通信研究院 用于滤波的方法和装置
WO2018097700A1 (ko) * 2016-11-28 2018-05-31 한국전자통신연구원 필터링을 위한 방법 및 장치
WO2020256413A1 (ko) * 2019-06-17 2020-12-24 한국전자통신연구원 적응적 루프내 필터링 방법 및 장치
CN120475184A (zh) * 2019-08-29 2025-08-12 Lg 电子株式会社 基于环路内滤波的图像编译装置和方法
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CN114846793B (zh) 2019-10-29 2025-01-07 抖音视界(北京)有限公司 跨分量自适应环路滤波器
US11265558B2 (en) * 2019-11-22 2022-03-01 Qualcomm Incorporated Cross-component adaptive loop filter
CA3162821A1 (en) * 2019-12-23 2021-07-01 Anand Meher Kotra Cross-component adaptive loop filtering for video coding
US11729381B2 (en) * 2020-07-23 2023-08-15 Qualcomm Incorporated Deblocking filter parameter signaling
US12075034B2 (en) * 2020-07-24 2024-08-27 Qualcomm Incorporated Multiple adaptive loop filter sets
US11595676B2 (en) * 2020-09-16 2023-02-28 Tencent America LLC Method and apparatus for video coding

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US20180063527A1 (en) * 2016-08-31 2018-03-01 Qualcomm Incorporated Cross-component filter

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Publication number Publication date
US20230110374A1 (en) 2023-04-13
JP7480303B2 (ja) 2024-05-09
CN114600453A (zh) 2022-06-07
US12278977B2 (en) 2025-04-15
US20220086472A1 (en) 2022-03-17
KR20220038710A (ko) 2022-03-29
JP2023508686A (ja) 2023-03-03
JP7727045B2 (ja) 2025-08-20
US11595676B2 (en) 2023-02-28
JP2024096199A (ja) 2024-07-12
EP3997671A4 (en) 2022-08-24
EP3997671A1 (en) 2022-05-18
WO2022060437A1 (en) 2022-03-24

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