JP7467650B2 - ビデオ復号の方法、機器、及びコンピュータプログラム - Google Patents

ビデオ復号の方法、機器、及びコンピュータプログラム Download PDF

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JP7467650B2
JP7467650B2 JP2022550942A JP2022550942A JP7467650B2 JP 7467650 B2 JP7467650 B2 JP 7467650B2 JP 2022550942 A JP2022550942 A JP 2022550942A JP 2022550942 A JP2022550942 A JP 2022550942A JP 7467650 B2 JP7467650 B2 JP 7467650B2
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color component
video
filter
quantization step
support region
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JP2023514638A (ja
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ドゥ，イーシン
ジャオ，シン
リウ，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
    • H04N19/80—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
    • 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
    • H04N19/169—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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2022550942A 2020-11-12 2021-07-01 ビデオ復号の方法、機器、及びコンピュータプログラム Active JP7467650B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2024060021A JP7670899B2 (ja) 2020-11-12 2024-04-03 ビデオ復号の方法、機器、及びコンピュータプログラム
JP2025067832A JP2025111549A (ja) 2020-11-12 2025-04-17 ビデオ復号の方法、機器、及びコンピュータプログラム

Applications Claiming Priority (5)

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US202063113125P 2020-11-12 2020-11-12
US63/113,125 2020-11-12
US17/360,865 2021-06-28
US17/360,865 US11563964B2 (en) 2020-11-12 2021-06-28 Method and apparatus for video coding
PCT/US2021/040044 WO2022103448A1 (en) 2020-11-12 2021-07-01 Method and apparatus for video coding

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JP2024060021A Division JP7670899B2 (ja) 2020-11-12 2024-04-03 ビデオ復号の方法、機器、及びコンピュータプログラム

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JP2023514638A JP2023514638A (ja) 2023-04-06
JP7467650B2 true JP7467650B2 (ja) 2024-04-15

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JP2022550942A Active JP7467650B2 (ja) 2020-11-12 2021-07-01 ビデオ復号の方法、機器、及びコンピュータプログラム
JP2024060021A Active JP7670899B2 (ja) 2020-11-12 2024-04-03 ビデオ復号の方法、機器、及びコンピュータプログラム
JP2025067832A Pending JP2025111549A (ja) 2020-11-12 2025-04-17 ビデオ復号の方法、機器、及びコンピュータプログラム

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JP2025067832A Pending JP2025111549A (ja) 2020-11-12 2025-04-17 ビデオ復号の方法、機器、及びコンピュータプログラム

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US (3) US11563964B2 (enExample)
EP (1) EP4066497A4 (enExample)
JP (3) JP7467650B2 (enExample)
KR (1) KR102898558B1 (enExample)
CN (1) CN115136600A (enExample)
WO (1) WO2022103448A1 (enExample)

Families Citing this family (8)

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Publication number Priority date Publication date Assignee Title
EP4434223A4 (en) * 2021-11-19 2025-10-15 Beijing Dajia Internet Information Tech Co Ltd ADAPTIVE TRANSVERSE COMPONENT SAMPLE SHIFT
WO2024027808A1 (en) * 2022-08-04 2024-02-08 Douyin Vision Co., Ltd. Method, apparatus, and medium for video processing
US20240129461A1 (en) * 2022-10-04 2024-04-18 Tencent America LLC Systems and methods for cross-component sample offset filter information signaling
US12464148B2 (en) * 2023-01-09 2025-11-04 Amazon Technologies, Inc. Computer-implemented multi-scale machine learning model for the enhancement of compressed video
US20240283959A1 (en) * 2023-02-16 2024-08-22 Tencent America LLC Extended quantizer with finer step size
EP4447437A1 (en) * 2023-04-14 2024-10-16 Beijing Xiaomi Mobile Software Co., Ltd. Encoding video picture data
US12375726B1 (en) 2023-06-27 2025-07-29 Amazon Technologies, Inc. Computer-implemented method and apparatus for video coding using an implicit video frame output process
US12425598B2 (en) * 2023-08-03 2025-09-23 Tencent America LLC Cross component sample offset filtering with asymmetric quantizer

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007506293A (ja) 2003-09-07 2007-03-15 マイクロソフト コーポレーション 条件付き重複変換
JP2007129318A (ja) 2005-11-01 2007-05-24 Sharp Corp 画像復号装置
WO2013154028A1 (ja) 2012-04-13 2013-10-17 ソニー株式会社 画像処理装置および方法
JP2017512439A (ja) 2014-03-04 2017-05-18 マイクロソフト テクノロジー ライセンシング，エルエルシー 色空間、色サンプリングレート、及び／又は色深度の適応切り替え

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04273687A (ja) * 1991-02-28 1992-09-29 Hitachi Ltd 動画像符号化装置
US5867221A (en) * 1996-03-29 1999-02-02 Interated Systems, Inc. Method and system for the fractal compression of data using an integrated circuit for discrete cosine transform compression/decompression
CN113347418B (zh) * 2015-11-18 2024-06-14 韩国电子通信研究院 用于解码、编码视频信号的方法和计算机可读存储介质
US10419757B2 (en) * 2016-08-31 2019-09-17 Qualcomm Incorporated Cross-component filter
US11202079B2 (en) * 2018-02-05 2021-12-14 Tencent America LLC Method and apparatus for video decoding of an affine model in an intra block copy mode
ES3014205T3 (en) 2019-04-20 2025-04-21 Beijing Bytedance Network Tech Co Ltd Signaling of syntax elements for joint coding of chrominance residuals
WO2020256413A1 (ko) * 2019-06-17 2020-12-24 한국전자통신연구원 적응적 루프내 필터링 방법 및 장치
US11197030B2 (en) * 2019-08-08 2021-12-07 Panasonic Intellectual Property Corporation Of America System and method for video coding

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007506293A (ja) 2003-09-07 2007-03-15 マイクロソフト コーポレーション 条件付き重複変換
JP2007129318A (ja) 2005-11-01 2007-05-24 Sharp Corp 画像復号装置
WO2013154028A1 (ja) 2012-04-13 2013-10-17 ソニー株式会社 画像処理装置および方法
JP2017512439A (ja) 2014-03-04 2017-05-18 マイクロソフト テクノロジー ライセンシング，エルエルシー 色空間、色サンプリングレート、及び／又は色深度の適応切り替え

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WO2022103448A1 (en) 2022-05-19
EP4066497A4 (en) 2023-01-25
US11997299B2 (en) 2024-05-28
JP7670899B2 (ja) 2025-04-30
US20230126791A1 (en) 2023-04-27
KR102898558B1 (ko) 2025-12-09
JP2024084800A (ja) 2024-06-25
US11563964B2 (en) 2023-01-24
EP4066497A1 (en) 2022-10-05
US20240267548A1 (en) 2024-08-08
KR20220112852A (ko) 2022-08-11
US20220150517A1 (en) 2022-05-12
US12278978B2 (en) 2025-04-15
CN115136600A (zh) 2022-09-30
JP2023514638A (ja) 2023-04-06
JP2025111549A (ja) 2025-07-30

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