CN114402547B - 一种标识子块变换信息的方法和装置 - Google Patents

一种标识子块变换信息的方法和装置 Download PDF

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Publication number
CN114402547B
CN114402547B CN202080064235.0A CN202080064235A CN114402547B CN 114402547 B CN114402547 B CN 114402547B CN 202080064235 A CN202080064235 A CN 202080064235A CN 114402547 B CN114402547 B CN 114402547B
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CN114402547A (zh
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穆罕默德·G·萨维尔
罗健聪
叶琰
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Alibaba Innovation Private Ltd
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Alibaba Group Holding Ltd
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Priority to CN202510423454.8A priority patent/CN120111255A/zh
Priority to CN202510423462.2A priority patent/CN120151546B/zh
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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)
CN202080064235.0A 2019-09-13 2020-07-24 一种标识子块变换信息的方法和装置 Active CN114402547B (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202510421227.1A CN120017850A (zh) 2019-09-13 2020-07-24 一种标识子块变换信息的方法和装置
CN202510423454.8A CN120111255A (zh) 2019-09-13 2020-07-24 一种标识子块变换信息的方法和装置
CN202510423462.2A CN120151546B (zh) 2019-09-13 2020-07-24 一种标识子块变换信息的方法和装置

Applications Claiming Priority (3)

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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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CN202510423454.8A Division CN120111255A (zh) 2019-09-13 2020-07-24 一种标识子块变换信息的方法和装置
CN202510421227.1A Division CN120017850A (zh) 2019-09-13 2020-07-24 一种标识子块变换信息的方法和装置
CN202510423462.2A Division CN120151546B (zh) 2019-09-13 2020-07-24 一种标识子块变换信息的方法和装置

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CN114402547B true CN114402547B (zh) 2025-06-13

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CN202510423462.2A Active CN120151546B (zh) 2019-09-13 2020-07-24 一种标识子块变换信息的方法和装置
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CN202510423454.8A Pending CN120111255A (zh) 2019-09-13 2020-07-24 一种标识子块变换信息的方法和装置

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US (2) US11589067B2 (https=)
EP (3) EP4604550A3 (https=)
JP (2) JP7652761B2 (https=)
KR (1) KR20220057628A (https=)
CN (4) CN114402547B (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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KR20220057628A (ko) * 2019-09-13 2022-05-09 알리바바 그룹 홀딩 리미티드 최대 서브-블록 변환 크기를 도출하기 위한 방법 및 장치
US11606563B2 (en) * 2019-09-24 2023-03-14 Tencent America LLC CTU size signaling
WO2023246901A1 (en) * 2022-06-22 2023-12-28 Mediatek Inc. Methods and apparatus for implicit sub-block transform coding

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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
CN115883826A (zh) * 2016-10-10 2023-03-31 三星电子株式会社 用于对图像进行编码/解码的方法和设备
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KR20220057628A (ko) * 2019-09-13 2022-05-09 알리바바 그룹 홀딩 리미티드 최대 서브-블록 변환 크기를 도출하기 위한 방법 및 장치

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JP7853533B2 (ja) 2026-04-30
RS67292B1 (sr) 2025-11-28
EP4029239A1 (en) 2022-07-20
CN114402547A (zh) 2022-04-26
EP4604550A3 (en) 2025-10-29
EP4029239C0 (en) 2025-08-27
CN120151546B (zh) 2026-02-24
EP4604550A2 (en) 2025-08-20
EP4598029A2 (en) 2025-08-06
PL4029239T3 (pl) 2025-11-17
SMT202500375T1 (it) 2025-11-10
JP7652761B2 (ja) 2025-03-27
CN120151546A (zh) 2025-06-13
EP4598029A3 (en) 2025-10-29
US20230156211A1 (en) 2023-05-18
WO2021050166A1 (en) 2021-03-18
CN120111255A (zh) 2025-06-06
EP4029239B1 (en) 2025-08-27
JP2022548203A (ja) 2022-11-17
ES3042414T3 (en) 2025-11-20
HRP20251215T1 (hr) 2026-02-13
US20210084321A1 (en) 2021-03-18
KR20220057628A (ko) 2022-05-09
US11589067B2 (en) 2023-02-21
CN120017850A (zh) 2025-05-16
EP4029239A4 (en) 2022-12-14
JP2025066743A (ja) 2025-04-23

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