JP7652761B2 - サブブロック変換情報を信号化するための方法及び装置 - Google Patents

サブブロック変換情報を信号化するための方法及び装置 Download PDF

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JP7652761B2
JP7652761B2 JP2022513113A JP2022513113A JP7652761B2 JP 7652761 B2 JP7652761 B2 JP 7652761B2 JP 2022513113 A JP2022513113 A JP 2022513113A JP 2022513113 A JP2022513113 A JP 2022513113A JP 7652761 B2 JP7652761 B2 JP 7652761B2
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JP2022548203A (ja
JPWO2021050166A5 (https=
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サーヴァー，モハメッド，ゴラム
ルオ，ジャンコン
イエ，ヤン
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アリババ グループ ホウルディング リミテッド
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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
    • H04N19/102—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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform 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
    • H04N19/10—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
    • 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
    • H04N19/42—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
    • H04N19/423—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 characterised by memory arrangements
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2022513113A 2019-09-13 2020-07-24 サブブロック変換情報を信号化するための方法及び装置 Active JP7652761B2 (ja)

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JP2025003185A JP7853533B2 (ja) 2019-09-13 2025-01-09 サブブロック変換情報を信号化するための方法及び装置

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US201962900395P 2019-09-13 2019-09-13
US62/900,395 2019-09-13
PCT/US2020/043448 WO2021050166A1 (en) 2019-09-13 2020-07-24 Method and apparatus for signaling sub-block transform information

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JP2022548203A JP2022548203A (ja) 2022-11-17
JPWO2021050166A5 JPWO2021050166A5 (https=) 2023-06-05
JP2022548203A5 JP2022548203A5 (https=) 2023-06-05
JP7652761B2 true JP7652761B2 (ja) 2025-03-27

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US (2) US11589067B2 (https=)
EP (3) EP4029239B1 (https=)
JP (1) JP7652761B2 (https=)
KR (1) KR20220057628A (https=)
CN (4) CN120151546B (https=)
ES (1) ES3042414T3 (https=)
HR (1) HRP20251215T1 (https=)
PL (1) PL4029239T3 (https=)
RS (1) RS67292B1 (https=)
SM (1) SMT202500375T1 (https=)
WO (1) WO2021050166A1 (https=)

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CN120151546B (zh) * 2019-09-13 2026-02-24 阿里巴巴（中国）有限公司 一种标识子块变换信息的方法和装置
US11606563B2 (en) * 2019-09-24 2023-03-14 Tencent America LLC CTU size signaling
CN119452659A (zh) * 2022-06-22 2025-02-14 联发科技股份有限公司 暗示子块变换编译码的方法和装置

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JP2022541798A (ja) 2019-07-19 2022-09-27 ウィルス インスティテュート オブ スタンダーズ アンド テクノロジー インコーポレイティド ビデオ信号処理方法及び装置

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US20110194613A1 (en) * 2010-02-11 2011-08-11 Qualcomm Incorporated Video coding with large macroblocks
AU2012232992A1 (en) * 2012-09-28 2014-04-17 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding the transform units of a coding unit
WO2015012600A1 (ko) * 2013-07-23 2015-01-29 성균관대학교 산학협력단 영상 부호화/복호화 방법 및 장치
KR101642092B1 (ko) * 2014-10-06 2016-07-22 성균관대학교산학협력단 영상의 부호화/복호화 방법 및 이를 이용하는 장치
KR102199463B1 (ko) * 2015-08-31 2021-01-06 삼성전자주식회사 스캔 순서를 고려한 영상의 변환 방법 및 그 장치, 및 역변환 방법 및 그 장치
WO2017088093A1 (en) * 2015-11-23 2017-06-01 Mediatek Singapore Pte. Ltd. On the smallest allowed block size in video coding
CA3039663C (en) * 2016-10-10 2022-02-15 Samsung Electronics Co., Ltd. Method and apparatus for encoding/decoding image
EP3349455A1 (en) * 2017-01-11 2018-07-18 Thomson Licensing Method and device for coding a block of video data, method and device for decoding a block of video data
US11102513B2 (en) * 2018-12-06 2021-08-24 Tencent America LLC One-level transform split and adaptive sub-block transform
CN114365495B (zh) * 2019-09-09 2025-03-21 北京字节跳动网络技术有限公司 帧内块复制编码与解码
CN120151546B (zh) * 2019-09-13 2026-02-24 阿里巴巴（中国）有限公司 一种标识子块变换信息的方法和装置

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Publication number Priority date Publication date Assignee Title
JP2022541798A (ja) 2019-07-19 2022-09-27 ウィルス インスティテュート オブ スタンダーズ アンド テクノロジー インコーポレイティド ビデオ信号処理方法及び装置

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JP2022548203A (ja) 2022-11-17
WO2021050166A1 (en) 2021-03-18
ES3042414T3 (en) 2025-11-20
EP4604550A3 (en) 2025-10-29
EP4604550A2 (en) 2025-08-20
EP4598029A3 (en) 2025-10-29
RS67292B1 (sr) 2025-11-28
EP4598029A2 (en) 2025-08-06
CN114402547B (zh) 2025-06-13
JP2025066743A (ja) 2025-04-23
CN120151546B (zh) 2026-02-24
EP4029239C0 (en) 2025-08-27
CN120111255A (zh) 2025-06-06
HRP20251215T1 (hr) 2026-02-13
CN120151546A (zh) 2025-06-13
EP4029239A1 (en) 2022-07-20
PL4029239T3 (pl) 2025-11-17
EP4029239B1 (en) 2025-08-27
KR20220057628A (ko) 2022-05-09
US20210084321A1 (en) 2021-03-18
SMT202500375T1 (it) 2025-11-10
CN120017850A (zh) 2025-05-16
US20230156211A1 (en) 2023-05-18
EP4029239A4 (en) 2022-12-14
CN114402547A (zh) 2022-04-26
US11589067B2 (en) 2023-02-21

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