KR20220057628A - 최대 서브-블록 변환 크기를 도출하기 위한 방법 및 장치 - Google Patents

최대 서브-블록 변환 크기를 도출하기 위한 방법 및 장치 Download PDF

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KR20220057628A
KR20220057628A KR1020227012215A KR20227012215A KR20220057628A KR 20220057628 A KR20220057628 A KR 20220057628A KR 1020227012215 A KR1020227012215 A KR 1020227012215A KR 20227012215 A KR20227012215 A KR 20227012215A KR 20220057628 A KR20220057628 A KR 20220057628A
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video
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Korean (ko)
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모함메드 고람 사르워
지안콩 루오
얀 예
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알리바바 그룹 홀딩 리미티드
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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)
KR1020227012215A 2019-09-13 2020-07-24 최대 서브-블록 변환 크기를 도출하기 위한 방법 및 장치 Pending KR20220057628A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
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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KR20220057628A true KR20220057628A (ko) 2022-05-09

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Country Link
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=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
EP4676049A3 (en) 2019-07-19 2026-04-01 Wilus Institute of Standards and Technology Inc. Method and device for processing video signal
CN119743597B (zh) 2019-09-09 2026-04-28 北京字节跳动网络技术有限公司 视频编解码块的递归划分
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
CN114402547B (zh) 2025-06-13
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
US11589067B2 (en) 2023-02-21
CN120017850A (zh) 2025-05-16
EP4029239A4 (en) 2022-12-14
JP2025066743A (ja) 2025-04-23

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