ES3042414T3 - Method and apparatus for signaling sub-block transform information - Google Patents

Method and apparatus for signaling sub-block transform information

Info

Publication number
ES3042414T3
ES3042414T3 ES20863945T ES20863945T ES3042414T3 ES 3042414 T3 ES3042414 T3 ES 3042414T3 ES 20863945 T ES20863945 T ES 20863945T ES 20863945 T ES20863945 T ES 20863945T ES 3042414 T3 ES3042414 T3 ES 3042414T3
Authority
ES
Spain
Prior art keywords
sbt
maximum
video
size
flag
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
ES20863945T
Other languages
English (en)
Spanish (es)
Inventor
Mohammed Sarwer
Jiancong Luo
Yan Ye
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alibaba Group Holding Ltd
Original Assignee
Alibaba Group Holding Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alibaba Group Holding Ltd filed Critical Alibaba Group Holding Ltd
Application granted granted Critical
Publication of ES3042414T3 publication Critical patent/ES3042414T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H04N19/10—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
    • H04N19/60—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
    • H04N19/70—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

Landscapes

  • 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)
ES20863945T 2019-09-13 2020-07-24 Method and apparatus for signaling sub-block transform information Active ES3042414T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962900395P 2019-09-13 2019-09-13
PCT/US2020/043448 WO2021050166A1 (en) 2019-09-13 2020-07-24 Method and apparatus for signaling sub-block transform information

Publications (1)

Publication Number Publication Date
ES3042414T3 true ES3042414T3 (en) 2025-11-20

Family

ID=74867184

Family Applications (1)

Application Number Title Priority Date Filing Date
ES20863945T Active ES3042414T3 (en) 2019-09-13 2020-07-24 Method and apparatus for signaling sub-block transform information

Country Status (11)

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

Also Published As

Publication number Publication date
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
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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