ES3063401T3 - Transform-based image coding - Google Patents

Transform-based image coding

Info

Publication number
ES3063401T3
ES3063401T3 ES24185104T ES24185104T ES3063401T3 ES 3063401 T3 ES3063401 T3 ES 3063401T3 ES 24185104 T ES24185104 T ES 24185104T ES 24185104 T ES24185104 T ES 24185104T ES 3063401 T3 ES3063401 T3 ES 3063401T3
Authority
ES
Spain
Prior art keywords
transform
image coding
based image
coding
image
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
ES24185104T
Other languages
English (en)
Inventor
Moonmo Koo
Jaehyun Lim
Seunghwan Kim
Junghak Nam
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.)
Beijing Xiaomi Mobile Software Co Ltd
Original Assignee
Beijing Xiaomi Mobile Software Co 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 Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Application granted granted Critical
Publication of ES3063401T3 publication Critical patent/ES3063401T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04N19/102Methods 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
    • 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/11Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/13Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/1887Methods 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 variable length codeword
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/70Methods 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
    • 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)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
ES24185104T 2019-03-26 2020-03-26 Transform-based image coding Active ES3063401T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201962824243P 2019-03-26 2019-03-26

Publications (1)

Publication Number Publication Date
ES3063401T3 true ES3063401T3 (en) 2026-04-16

Family

ID=72610598

Family Applications (2)

Application Number Title Priority Date Filing Date
ES24185104T Active ES3063401T3 (en) 2019-03-26 2020-03-26 Transform-based image coding
ES20777376T Active ES2986930T3 (es) 2019-03-26 2020-03-26 Codificación de imágenes basada en transformadas

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES20777376T Active ES2986930T3 (es) 2019-03-26 2020-03-26 Codificación de imágenes basada en transformadas

Country Status (10)

Country Link
US (3) US11330261B2 (es)
EP (2) EP3937501B1 (es)
JP (1) JP7781640B2 (es)
KR (2) KR102862055B1 (es)
AU (2) AU2020247645B2 (es)
ES (2) ES3063401T3 (es)
FI (1) FI4415358T3 (es)
HU (1) HUE068317T2 (es)
PL (1) PL3937501T3 (es)
WO (1) WO2020197274A1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113365054B (zh) * 2019-03-09 2022-08-05 杭州海康威视数字技术股份有限公司 进行编码和解码的方法、解码端、编码端和系统
KR102845344B1 (ko) 2019-04-16 2025-08-11 엘지전자 주식회사 영상 코딩에서 매트릭스 기반의 인트라 예측을 위한 변환
EP3962082A4 (en) * 2019-06-12 2022-10-05 Sony Group Corporation IMAGE PROCESSING DEVICE AND METHOD
US11785254B2 (en) * 2020-05-29 2023-10-10 Tencent America LLC Implicit mode dependent primary transforms
CN119732056A (zh) * 2022-08-17 2025-03-28 韦勒斯标准与技术协会公司 视频信号处理方法及其装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102045560B (zh) * 2009-10-23 2013-08-07 华为技术有限公司 一种视频编解码方法及设备
WO2017138393A1 (en) * 2016-02-08 2017-08-17 Sharp Kabushiki Kaisha Systems and methods for intra prediction coding
US10448053B2 (en) * 2016-02-15 2019-10-15 Qualcomm Incorporated Multi-pass non-separable transforms for video coding
US10708164B2 (en) * 2016-05-03 2020-07-07 Qualcomm Incorporated Binarizing secondary transform index
US10554974B2 (en) * 2017-01-13 2020-02-04 Mediatek Inc. Method and apparatus enabling adaptive multiple transform for chroma transport blocks using control flags
US11134272B2 (en) * 2017-06-29 2021-09-28 Qualcomm Incorporated Memory reduction for non-separable transforms
US11310517B2 (en) * 2017-12-07 2022-04-19 Electronics And Telecommunications Research Institute Method and apparatus for encoding and decoding using selective information sharing between channels
US11166014B2 (en) * 2017-12-14 2021-11-02 Electronics And Telecommunications Research Institute Image encoding and decoding method and device using prediction network
AU2018204786B2 (en) * 2018-06-29 2025-05-29 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a transformed block of video samples

Also Published As

Publication number Publication date
KR102408742B1 (ko) 2022-06-15
JP2022527774A (ja) 2022-06-06
KR20220084194A (ko) 2022-06-21
EP3937501A1 (en) 2022-01-12
EP3937501B1 (en) 2024-08-07
JP7781640B2 (ja) 2025-12-08
KR102862055B1 (ko) 2025-09-19
FI4415358T3 (fi) 2026-02-24
US20220248018A1 (en) 2022-08-04
EP3937501A4 (en) 2022-06-08
EP4415358A3 (en) 2024-10-16
EP4415358B8 (en) 2026-02-25
WO2020197274A1 (ko) 2020-10-01
US12382042B2 (en) 2025-08-05
ES2986930T3 (es) 2024-11-13
PL3937501T3 (pl) 2024-10-14
US11330261B2 (en) 2022-05-10
AU2024200216A1 (en) 2024-02-01
KR20210114062A (ko) 2021-09-17
AU2020247645B2 (en) 2023-10-12
EP4415358B1 (en) 2026-01-14
EP4415358A2 (en) 2024-08-14
US20220053189A1 (en) 2022-02-17
AU2024200216B2 (en) 2025-01-30
HUE068317T2 (hu) 2024-12-28
US11876966B2 (en) 2024-01-16
AU2020247645A1 (en) 2021-11-18
US20240137512A1 (en) 2024-04-25

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