JP2024541755A - 画像復号方法及び装置、画像符号化方法及び装置 - Google Patents

画像復号方法及び装置、画像符号化方法及び装置 Download PDF

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JP2024541755A
JP2024541755A JP2024527663A JP2024527663A JP2024541755A JP 2024541755 A JP2024541755 A JP 2024541755A JP 2024527663 A JP2024527663 A JP 2024527663A JP 2024527663 A JP2024527663 A JP 2024527663A JP 2024541755 A JP2024541755 A JP 2024541755A
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prediction
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coding unit
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pixels
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JP2024541755A5 (https=
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方▲棟▼ ▲陳▼
岩 王
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Hangzhou Hikvision Digital Technology Co Ltd
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    • H—ELECTRICITY
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    • 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
    • H04N19/102—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
    • 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
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
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    • 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
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    • 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
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    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
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    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
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    • 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
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    • 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
    • H04N19/167—Position within a video image, e.g. region of interest [ROI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • 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
    • H04N19/176—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
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    • 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
    • H04N19/44—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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
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    • H—ELECTRICITY
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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)
JP2024527663A 2021-11-11 2022-11-10 画像復号方法及び装置、画像符号化方法及び装置 Pending JP2024541755A (ja)

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CN202111335613.7 2021-11-11
CN202111335613.7A CN116074500B (zh) 2021-11-11 2021-11-11 图像解码方法、编码方法及装置
PCT/CN2022/131032 WO2023083239A1 (zh) 2021-11-11 2022-11-10 图像解码方法及装置、图像编码方法及装置

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Citations (5)

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JP2015005903A (ja) * 2013-06-21 2015-01-08 学校法人早稲田大学 コンプレッサ、デコンプレッサ及び画像処理装置
JP2017527194A (ja) * 2014-08-08 2017-09-14 クアルコム，インコーポレイテッド マルチモードビデオコーディングのための空間予測モードによるビデオコーディングのための方法
WO2018003008A1 (ja) * 2016-06-28 2018-01-04 三菱電機株式会社 画像符号化装置及び画像復号装置
JP2019528621A (ja) * 2016-10-13 2019-10-10 富士通株式会社 画像コーディング／デコーディング方法、装置及び画像処理機器
WO2020176634A1 (en) * 2019-02-28 2020-09-03 Qualcomm Incorporated Subblock coding by generalized intra prediction in video coding

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CN101394565B (zh) * 2008-10-20 2011-08-17 成都九洲电子信息系统有限责任公司 一种帧内预测方法
US10965941B2 (en) * 2017-10-09 2021-03-30 Qualcomm Incorporated Position-dependent prediction combinations in video coding
EP3890321A4 (en) * 2018-12-15 2022-05-11 Huawei Technologies Co., Ltd. IMAGE RECONSTRUCTION METHOD AND APPARATUS
JP7682793B2 (ja) 2019-02-20 2025-05-26 エルジー エレクトロニクス インコーポレイティド Ｍｐｍリストに基づくイントラ予測方法及び装置
CN110234008B (zh) 2019-03-11 2020-06-16 杭州海康威视数字技术股份有限公司 编码方法、解码方法及装置
EP4080886B1 (en) * 2019-12-20 2026-02-18 LG Electronics Inc. Prediction weighted table-based video coding methods
CN113038125B (zh) * 2021-05-28 2021-10-22 杭州博雅鸿图视频技术有限公司 帧内预测模式选择方法、装置、设备及存储介质

Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
JP2015005903A (ja) * 2013-06-21 2015-01-08 学校法人早稲田大学 コンプレッサ、デコンプレッサ及び画像処理装置
JP2017527194A (ja) * 2014-08-08 2017-09-14 クアルコム，インコーポレイテッド マルチモードビデオコーディングのための空間予測モードによるビデオコーディングのための方法
WO2018003008A1 (ja) * 2016-06-28 2018-01-04 三菱電機株式会社 画像符号化装置及び画像復号装置
JP2019528621A (ja) * 2016-10-13 2019-10-10 富士通株式会社 画像コーディング／デコーディング方法、装置及び画像処理機器
WO2020176634A1 (en) * 2019-02-28 2020-09-03 Qualcomm Incorporated Subblock coding by generalized intra prediction in video coding

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US20260075223A1 (en) 2026-03-12
US12556722B2 (en) 2026-02-17
TW202441961A (zh) 2024-10-16
CN116074500B (zh) 2024-10-25
US20250047881A1 (en) 2025-02-06
TW202327356A (zh) 2023-07-01
KR102885290B1 (ko) 2025-11-11
WO2023083239A1 (zh) 2023-05-19
TWI881800B (zh) 2025-04-21
CN116546193B (zh) 2024-10-29
CN116546193A (zh) 2023-08-04
KR20240108463A (ko) 2024-07-09
CN116074500A (zh) 2023-05-05
TWI881252B (zh) 2025-04-21

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