JP2024543436A - 復号方法、符号化方法及び装置 - Google Patents

復号方法、符号化方法及び装置 Download PDF

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JP2024543436A
JP2024543436A JP2024527665A JP2024527665A JP2024543436A JP 2024543436 A JP2024543436 A JP 2024543436A JP 2024527665 A JP2024527665 A JP 2024527665A JP 2024527665 A JP2024527665 A JP 2024527665A JP 2024543436 A JP2024543436 A JP 2024543436A
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value
image
information
decoding
video
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JP2024543436A5 (https=
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▲亮▼ 魏
方▲棟▼ ▲陳▼
莉 王
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Hangzhou Hikvision Digital Technology Co Ltd
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Hangzhou Hikvision Digital Technology Co Ltd
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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
    • H04N19/124—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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
    • 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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/94—Vector 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
    • H04N19/169—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2024527665A 2021-11-11 2022-11-10 復号方法、符号化方法及び装置 Pending JP2024543436A (ja)

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CN202111334223.8 2021-11-11
CN202111334223.8A CN116074531B (zh) 2021-11-11 2021-11-11 解码方法、编码方法及装置
PCT/CN2022/131068 WO2023083245A1 (zh) 2021-11-11 2022-11-10 解码方法、编码方法及装置

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JP2024543436A true JP2024543436A (ja) 2024-11-21
JP2024543436A5 JP2024543436A5 (https=) 2025-02-10

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EP (1) EP4432654A4 (https=)
JP (1) JP2024543436A (https=)
KR (2) KR102950236B1 (https=)
CN (2) CN116074531B (https=)
TW (1) TWI829424B (https=)
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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116896643B (zh) * 2023-07-18 2025-08-29 翱捷科技股份有限公司 一种基于虚拟帧同步的帧间并行编码码率控制方法及装置
US12439089B2 (en) * 2023-10-04 2025-10-07 Tencent America LLC Short distance predictions for residual blocks

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008126135A1 (ja) * 2007-03-20 2008-10-23 Fujitsu Limited 動画像符号化方法及び装置並びに動画像復号装置
WO2013032576A2 (en) * 2011-06-30 2013-03-07 General Instrument Corporation Quantization parameter derivation from qp predictor
US20140079135A1 (en) * 2012-09-14 2014-03-20 Qualcomm Incoporated Performing quantization to facilitate deblocking filtering
JP2020005110A (ja) * 2018-06-27 2020-01-09 キヤノン株式会社 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム
WO2020048361A1 (zh) * 2018-09-05 2020-03-12 华为技术有限公司 视频解码方法及视频解码器
JP2021048458A (ja) * 2019-09-17 2021-03-25 キヤノン株式会社 画像符号化装置、画像符号化方法、及びプログラム、画像復号装置、画像復号方法、及びプログラム

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2486726B (en) * 2010-12-23 2017-11-29 British Broadcasting Corp Compression of pictures
US9161046B2 (en) * 2011-10-25 2015-10-13 Qualcomm Incorporated Determining quantization parameters for deblocking filtering for video coding
ES2823478T3 (es) * 2011-12-13 2021-05-07 Jvc Kenwood Corp Dispositivo de codificación de vídeo, procedimiento de codificación de vídeo, programa de codificación de vídeo, dispositivo de decodificación de vídeo, procedimiento de decodificación de vídeo, y programa de decodificación de vídeo
TWI638564B (zh) * 2011-12-21 2018-10-11 Ｊｖｃ建伍股份有限公司 Dynamic image decoding device, dynamic image decoding method, and recording medium recorded with dynamic image decoding program
SI2811745T1 (sl) * 2012-01-30 2018-12-31 Samsung Electronics Co., Ltd Postopek in naprava za kodiranje in dekodiranje videa na podlagi hierarhičnih podatkov, ki vsebuje napovedovanje kvantizacijskega parametra
US9294766B2 (en) * 2013-09-09 2016-03-22 Apple Inc. Chroma quantization in video coding
WO2016074147A1 (en) * 2014-11-11 2016-05-19 Mediatek Singapore Pte. Ltd. Separated coding tree for luma and chroma
US9628803B2 (en) * 2014-11-25 2017-04-18 Blackberry Limited Perceptual image and video coding
JP6866299B2 (ja) * 2015-04-23 2021-04-28 オステンド・テクノロジーズ・インコーポレーテッド 全方向視差ライトフィールド表示システム用の方法および装置
US10448056B2 (en) * 2016-07-15 2019-10-15 Qualcomm Incorporated Signaling of quantization information in non-quadtree-only partitioned video coding
WO2018018486A1 (en) * 2016-07-28 2018-02-01 Mediatek Inc. Methods of reference quantization parameter derivation for signaling of quantization parameter in quad-tree plus binary tree structure
CN118214857A (zh) * 2017-10-26 2024-06-18 英迪股份有限公司 用于基于非对称子块的图像编码/解码的方法及装置
US10904529B2 (en) * 2018-01-19 2021-01-26 Qualcomm Incorporated Quantization group for video coding
DE102018110383B4 (de) * 2018-04-30 2025-11-13 Basler Ag Verfahren und Vorrichtung zum Kodieren von Bilddaten
CN110536133B (zh) * 2018-05-24 2021-11-19 华为技术有限公司 视频数据解码方法及装置
US11277612B2 (en) * 2018-06-25 2022-03-15 Electronics And Telecommunications Research Institute Method and apparatus for encoding/decoding image using quantization parameter, and recording medium storing bitstream
CN110881129B (zh) 2018-09-05 2024-01-05 华为技术有限公司 视频解码方法及视频解码器
WO2020056017A1 (en) * 2018-09-11 2020-03-19 Beijing Dajia Internet Information Technology Co., Ltd. Methods and apparatus of video decoding using low complexity trellis-coded quantization
WO2020185022A1 (ko) * 2019-03-12 2020-09-17 주식회사 엑스리스 영상 신호 부호화/복호화 방법 및 이를 위한 장치
US11843791B2 (en) * 2019-05-03 2023-12-12 Interdigital Madison Patent Holdings, Sas Chroma processing for video encoding and decoding
WO2020231228A1 (ko) * 2019-05-15 2020-11-19 현대자동차주식회사 영상 복호화 장치에서 이용하는 역양자화장치 및 방법
AU2019232801A1 (en) * 2019-09-17 2021-04-01 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a block of video samples
EP4738833A2 (en) * 2019-05-28 2026-05-06 Dolby Laboratories Licensing Corporation Quantization parameter signaling
CN120201192A (zh) * 2019-07-05 2025-06-24 Lg 电子株式会社 用于色度分量的图像解码方法及其装置
CN119011836A (zh) * 2019-07-05 2024-11-22 Lg 电子株式会社 编译色度量化参数数据的图像解码方法及其设备
US12244805B2 (en) * 2019-08-23 2025-03-04 Qualcomm Incorporated Chroma quantization parameter (QP) derivation for video coding
AU2019232797A1 (en) * 2019-09-17 2021-04-01 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a block of video samples

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008126135A1 (ja) * 2007-03-20 2008-10-23 Fujitsu Limited 動画像符号化方法及び装置並びに動画像復号装置
WO2013032576A2 (en) * 2011-06-30 2013-03-07 General Instrument Corporation Quantization parameter derivation from qp predictor
US20140079135A1 (en) * 2012-09-14 2014-03-20 Qualcomm Incoporated Performing quantization to facilitate deblocking filtering
JP2020005110A (ja) * 2018-06-27 2020-01-09 キヤノン株式会社 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム
WO2020048361A1 (zh) * 2018-09-05 2020-03-12 华为技术有限公司 视频解码方法及视频解码器
JP2021048458A (ja) * 2019-09-17 2021-03-25 キヤノン株式会社 画像符号化装置、画像符号化方法、及びプログラム、画像復号装置、画像復号方法、及びプログラム

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TWI829424B (zh) 2024-01-11
CN116527927A (zh) 2023-08-01
TW202327358A (zh) 2023-07-01
CN116527927B (zh) 2025-01-24
KR20260001129A (ko) 2026-01-05
US20260089328A1 (en) 2026-03-26
CN116074531A (zh) 2023-05-05
US12556701B2 (en) 2026-02-17
CN116074531B (zh) 2025-01-24
KR102950236B1 (ko) 2026-04-07
EP4432654A4 (en) 2025-03-12
WO2023083245A1 (zh) 2023-05-19
KR102899163B1 (ko) 2025-12-10
EP4432654A1 (en) 2024-09-18
US20240430426A1 (en) 2024-12-26
KR20240108461A (ko) 2024-07-09

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