EP2918078A4 - Method, apparatus and system for encoding and decoding the transform units of a coding unit - Google Patents

Method, apparatus and system for encoding and decoding the transform units of a coding unit

Info

Publication number
EP2918078A4
EP2918078A4 EP13853085.2A EP13853085A EP2918078A4 EP 2918078 A4 EP2918078 A4 EP 2918078A4 EP 13853085 A EP13853085 A EP 13853085A EP 2918078 A4 EP2918078 A4 EP 2918078A4
Authority
EP
European Patent Office
Prior art keywords
decoding
encoding
coding unit
transform units
transform
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.)
Withdrawn
Application number
EP13853085.2A
Other languages
German (de)
French (fr)
Other versions
EP2918078A1 (en
Inventor
Christopher James Rosewarne
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.)
Canon Inc
Original Assignee
Canon Inc
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
Priority claimed from AU2012247040A external-priority patent/AU2012247040A1/en
Application filed by Canon Inc filed Critical Canon Inc
Publication of EP2918078A1 publication Critical patent/EP2918078A1/en
Publication of EP2918078A4 publication Critical patent/EP2918078A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/12Selection 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
    • H04N19/122Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/186Methods 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 a colour or a chrominance component
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96Tree coding, e.g. quad-tree coding

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)
EP13853085.2A 2012-11-08 2013-09-27 Method, apparatus and system for encoding and decoding the transform units of a coding unit Withdrawn EP2918078A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2012247040A AU2012247040A1 (en) 2012-09-28 2012-11-08 Method, apparatus and system for encoding and decoding the transform units of a coding unit
PCT/AU2013/001117 WO2014071439A1 (en) 2012-11-08 2013-09-27 Method, apparatus and system for encoding and decoding the transform units of a coding unit

Publications (2)

Publication Number Publication Date
EP2918078A1 EP2918078A1 (en) 2015-09-16
EP2918078A4 true EP2918078A4 (en) 2016-10-19

Family

ID=50685344

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13853085.2A Withdrawn EP2918078A4 (en) 2012-11-08 2013-09-27 Method, apparatus and system for encoding and decoding the transform units of a coding unit

Country Status (7)

Country Link
EP (1) EP2918078A4 (en)
JP (1) JP6270861B2 (en)
KR (1) KR20150048804A (en)
CN (1) CN104782125B (en)
AU (2) AU2013344305A1 (en)
RU (1) RU2641223C2 (en)
WO (1) WO2014071439A1 (en)

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WO2017173593A1 (en) * 2016-04-06 2017-10-12 Mediatek Singapore Pte. Ltd. Separate coding secondary transform syntax elements for different color components
CN114339229B (en) * 2016-05-04 2024-04-12 夏普株式会社 System and method for encoding transform data
EP3484159A4 (en) * 2016-07-05 2019-12-04 KT Corporation Method and apparatus for processing video signal
CN113453000B (en) * 2016-07-22 2024-01-12 夏普株式会社 System and method for encoding video data using adaptive component scaling
CN109661819B (en) * 2016-08-31 2023-11-07 株式会社Kt Method and apparatus for processing video signal
US10368071B2 (en) * 2017-11-03 2019-07-30 Arm Limited Encoding data arrays
RU2762873C2 (en) * 2017-12-15 2021-12-23 ЭлДжи ЭЛЕКТРОНИКС ИНК. Method for images encoding based on conversion and device for this
CN115002460A (en) 2018-01-05 2022-09-02 Sk电信有限公司 Video decoding apparatus, video encoding apparatus, and non-transitory computer-readable medium
KR102524628B1 (en) * 2018-01-05 2023-04-21 에스케이텔레콤 주식회사 Method and Apparatus for Video Encoding or Decoding
JP2021502771A (en) * 2018-05-03 2021-01-28 エルジー エレクトロニクス インコーポレイティド Image decoding methods and devices that use block size conversion in image coding systems
MX2020012071A (en) 2018-05-17 2021-02-09 Ericsson Telefon Ab L M Deblocking of implicit transform unit boundaries.
KR20210015810A (en) * 2018-05-29 2021-02-10 인터디지털 브이씨 홀딩스 인코포레이티드 Method and apparatus for video encoding and decoding using partially shared luma and chroma coding trees
AU2018233042B2 (en) 2018-09-21 2024-06-13 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a tree of blocks of video samples
KR102631361B1 (en) 2018-10-11 2024-01-31 엘지전자 주식회사 Conversion coefficient coding method and device
PH12019000380A1 (en) 2018-12-17 2020-09-28 Nokia Technologies Oy An apparatus, a method and a computer program for video coding and decoding
WO2020184913A1 (en) * 2019-03-08 2020-09-17 엘지전자 주식회사 Method and apparatus for processing video signal
CN114727105B (en) * 2019-03-22 2023-03-24 华为技术有限公司 Transform unit partitioning method for video coding
KR20210139272A (en) * 2019-03-23 2021-11-22 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 Restrictions on Adaptive Loop Filtering Parameter Sets
JP7303328B2 (en) * 2019-04-20 2023-07-04 北京字節跳動網絡技術有限公司 Syntax Element Signaling for Joint Encoding of Chrominance Residuals
CN114128281B (en) * 2019-06-21 2024-06-18 现代自动车株式会社 Method for controlling coding tool
US11516472B2 (en) 2019-06-21 2022-11-29 Hyundai Motor Company Method and apparatus for controlling coding tools
CN114026865A (en) * 2019-06-21 2022-02-08 北京字节跳动网络技术有限公司 Coding and decoding tool for chrominance component
MX2022001243A (en) 2019-08-06 2022-02-17 Beijing Bytedance Network Tech Co Ltd Video region partition based on color format.
EP4008109A4 (en) * 2019-09-02 2022-09-14 Beijing Bytedance Network Technology Co., Ltd. Coding mode determination based on color format
CN114521326A (en) * 2019-09-19 2022-05-20 韦勒斯标准与技术协会公司 Video signal processing method and apparatus using scaling
EP4018662A4 (en) 2019-09-21 2023-05-03 Beijing Bytedance Network Technology Co., Ltd. Size restriction based for chroma intra mode
EP4035069A4 (en) * 2019-09-23 2023-10-11 Alibaba Group Holding Limited Lossless coding of video data
AU2019275552B2 (en) * 2019-12-03 2022-10-13 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a coding tree unit
GB2599433A (en) * 2020-10-02 2022-04-06 Sony Group Corp Data encoding and decoding

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BROSS B ET AL: "High Efficiency Video Coding (HEVC) text specification draft 8", 10. JCT-VC MEETING; 101. MPEG MEETING; 11-7-2012 - 20-7-2012; STOCKHOLM; (JOINT COLLABORATIVE TEAM ON VIDEO CODING OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16 ); URL: HTTP://WFTP3.ITU.INT/AV-ARCH/JCTVC-SITE/, no. JCTVC-J1003, 23 July 2012 (2012-07-23), XP030112947 *
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ROSEWARNE C ET AL: "CE1: Test 3 - Square transforms for Range Extensions", 103. MPEG MEETING; 21-1-2013 - 25-1-2013; GENEVA; (MOTION PICTURE EXPERT GROUP OR ISO/IEC JTC1/SC29/WG11), no. m27482, 11 January 2013 (2013-01-11), XP030056052 *
See also references of WO2014071439A1 *
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Also Published As

Publication number Publication date
EP2918078A1 (en) 2015-09-16
AU2017201209A1 (en) 2017-03-16
RU2015117258A (en) 2016-12-27
AU2017201209B2 (en) 2019-01-31
JP6270861B2 (en) 2018-01-31
AU2013344305A1 (en) 2015-03-26
CN104782125B (en) 2019-03-15
RU2641223C2 (en) 2018-01-16
CN104782125A (en) 2015-07-15
KR20150048804A (en) 2015-05-07
JP2015537448A (en) 2015-12-24
WO2014071439A1 (en) 2014-05-15

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