JP7670829B2 - 探索範囲切り替えを用いたイントラブロックコピーモードコーディングのための方法および装置 - Google Patents

探索範囲切り替えを用いたイントラブロックコピーモードコーディングのための方法および装置 Download PDF

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JP7670829B2
JP7670829B2 JP2023535039A JP2023535039A JP7670829B2 JP 7670829 B2 JP7670829 B2 JP 7670829B2 JP 2023535039 A JP2023535039 A JP 2023535039A JP 2023535039 A JP2023535039 A JP 2023535039A JP 7670829 B2 JP7670829 B2 JP 7670829B2
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JP2023553921A (ja
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シャオジョン・シュ
シン・ジャオ
シャン・リュウ
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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
    • H04N19/10—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
    • 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
    • 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
    • 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
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
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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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
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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
    • H04N19/17—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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/436—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation using parallelised computational arrangements
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    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H—ELECTRICITY
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    • 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
    • H04N19/70—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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JP2023535039A 2021-09-17 2022-04-13 探索範囲切り替えを用いたイントラブロックコピーモードコーディングのための方法および装置 Active JP7670829B2 (ja)

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US202163245665P 2021-09-17 2021-09-17
US63/245,665 2021-09-17
US17/704,948 US12120290B2 (en) 2021-09-17 2022-03-25 Method and apparatus for intra block copy mode coding with search range switching
US17/704,948 2022-03-25
PCT/US2022/024630 WO2023043494A1 (en) 2021-09-17 2022-04-13 Method and apparatus for intra block copy mode coding with search range switching

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JP2023547677A Active JP7648781B2 (ja) 2021-09-17 2022-04-15 ジョイント動きベクトル差分コーディング
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US12022112B2 (en) * 2021-11-18 2024-06-25 Tencent America LLC MVD scaling for joint MVD coding
CN120128717A (zh) * 2023-12-10 2025-06-10 腾讯科技（深圳）有限公司 视频解码方法、视频编码方法、装置、存储介质及电子设备

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JP2017513361A (ja) 2014-03-21 2017-05-25 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ ビデオコーディングにおけるイントラブロック複写のためのサーチ領域決定
JP2021521728A (ja) 2018-11-30 2021-08-26 テンセント・アメリカ・エルエルシー ビデオ符号化及び復号のための方法、装置及びコンピュータプログラム

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TWI719522B (zh) * 2018-06-30 2021-02-21 大陸商北京字節跳動網絡技術有限公司 用於視頻編碼的對稱性雙向預測模式
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JP2016539542A (ja) 2013-10-14 2016-12-15 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 ビデオ及び画像の符号化及び復号のためのイントラブロックコピー予測モードの特徴
JP2017513361A (ja) 2014-03-21 2017-05-25 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ ビデオコーディングにおけるイントラブロック複写のためのサーチ領域決定
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JP2018524872A (ja) 2015-06-08 2018-08-30 ヴィド スケール インコーポレイテッド スクリーンコンテンツ符号化のためのイントラブロックコピーモード
JP2021521728A (ja) 2018-11-30 2021-08-26 テンセント・アメリカ・エルエルシー ビデオ符号化及び復号のための方法、装置及びコンピュータプログラム

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CN116368800A (zh) 2023-06-30
JP7648781B2 (ja) 2025-03-18
KR20230135670A (ko) 2023-09-25
JP2025108412A (ja) 2025-07-23
CN120455661A (zh) 2025-08-08
JP2023553921A (ja) 2023-12-26
KR20230062626A (ko) 2023-05-09
WO2023043494A1 (en) 2023-03-23
US12120290B2 (en) 2024-10-15
CN120321404A (zh) 2025-07-15
JP2024506169A (ja) 2024-02-09
US20230093129A1 (en) 2023-03-23
CN116584097B (zh) 2025-06-24
EP4402895A1 (en) 2024-07-24
JP2025118674A (ja) 2025-08-13
WO2023043495A1 (en) 2023-03-23
CN116368800B (zh) 2025-05-30
CN116584097A (zh) 2023-08-11
US20250063156A1 (en) 2025-02-20
EP4402895A4 (en) 2025-01-08

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