JP7398368B2 - 符号化及び復号化方法並びに対応デバイス - Google Patents

符号化及び復号化方法並びに対応デバイス Download PDF

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JP7398368B2
JP7398368B2 JP2020526091A JP2020526091A JP7398368B2 JP 7398368 B2 JP7398368 B2 JP 7398368B2 JP 2020526091 A JP2020526091 A JP 2020526091A JP 2020526091 A JP2020526091 A JP 2020526091A JP 7398368 B2 JP7398368 B2 JP 7398368B2
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ルリアネック，ファブリス
ポワリエ，タンギ
チェン，ヤ
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インターデジタル ヴイシー ホールディングス， インコーポレイテッド
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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
    • H04N19/103—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
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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
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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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    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
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    • 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
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    • 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
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    • 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
    • H04N19/18—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 set of transform coefficients
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    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
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    • 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
    • H04N19/96—Tree coding, e.g. quad-tree coding

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EP17306628.3A EP3490253A1 (en) 2017-11-23 2017-11-23 Encoding and decoding methods and corresponding devices
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PCT/US2018/059579 WO2019103845A1 (en) 2017-11-23 2018-11-07 Encoding and decoding methods and corresponding devices

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CN116389737B (zh) * 2019-03-11 2024-05-31 北京达佳互联信息技术有限公司 视频编解码中变换系数的编解码
US11202100B2 (en) * 2019-03-11 2021-12-14 Qualcomm Incorporated Coefficient coding for transform skip mode
CN118540483A (zh) * 2019-04-26 2024-08-23 松下电器（美国）知识产权公司 编码装置、解码装置和非暂时性计算机可读介质
KR102837564B1 (ko) * 2019-08-08 2025-07-22 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
CN110708552B (zh) * 2019-08-27 2021-12-31 杭州海康威视数字技术股份有限公司 解码方法、编码方法及装置
KR102887297B1 (ko) * 2019-08-31 2025-11-14 엘지전자 주식회사 영상 디코딩 방법 및 그 장치

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JP2013192118A (ja) 2012-03-14 2013-09-26 Sharp Corp 算術復号装置、画像復号装置、算術符号化装置、および画像符号化装置
JP2015513291A (ja) 2012-04-16 2015-04-30 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ 係数走査のための係数グループおよび係数コーディング
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KR20200090776A (ko) 2020-07-29
US20200382810A1 (en) 2020-12-03
WO2019103845A1 (en) 2019-05-31
US11695962B2 (en) 2023-07-04
CN111386702A (zh) 2020-07-07
KR102854715B1 (ko) 2025-09-04
IL274657A (en) 2020-06-30
EP3490253A1 (en) 2019-05-29
IL274657B2 (en) 2024-04-01
IL274657B1 (en) 2023-12-01
KR20250135344A (ko) 2025-09-12
EP3714599A1 (en) 2020-09-30
CN111386702B (zh) 2024-06-11
JP2021504996A (ja) 2021-02-15
CN118450119A (zh) 2024-08-06

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