CA3014259A1 - A method and device for intra-predictive encoding/decoding a coding unit comprising picture data, said intra-predictive encoding depending on a prediction tree and a transform tree - Google Patents

A method and device for intra-predictive encoding/decoding a coding unit comprising picture data, said intra-predictive encoding depending on a prediction tree and a transform tree Download PDF

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Publication number
CA3014259A1
CA3014259A1 CA3014259A CA3014259A CA3014259A1 CA 3014259 A1 CA3014259 A1 CA 3014259A1 CA 3014259 A CA3014259 A CA 3014259A CA 3014259 A CA3014259 A CA 3014259A CA 3014259 A1 CA3014259 A1 CA 3014259A1
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CA
Canada
Prior art keywords
tree
intra
leaves
transform tree
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.)
Abandoned
Application number
CA3014259A
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English (en)
French (fr)
Inventor
Fabrice Leleannec
Tangi POIRIER
Gagan Rath
Fabrice Urban
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Thomson Licensing SAS
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Thomson Licensing SAS
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Filing date
Publication date
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of CA3014259A1 publication Critical patent/CA3014259A1/en
Abandoned legal-status Critical Current

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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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/90—Methods 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
    • H04N19/96—Tree coding, e.g. quad-tree coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CA3014259A 2016-02-12 2017-02-03 A method and device for intra-predictive encoding/decoding a coding unit comprising picture data, said intra-predictive encoding depending on a prediction tree and a transform tree Abandoned CA3014259A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP16305160.0 2016-02-12
EP16305160 2016-02-12
PCT/EP2017/052322 WO2017137312A1 (en) 2016-02-12 2017-02-03 A method and device for intra-predictive encoding/decoding a coding unit comprising picture data, said intra-predictive encoding depending on a prediction tree and a transform tree

Publications (1)

Publication Number Publication Date
CA3014259A1 true CA3014259A1 (en) 2017-08-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA3014259A Abandoned CA3014259A1 (en) 2016-02-12 2017-02-03 A method and device for intra-predictive encoding/decoding a coding unit comprising picture data, said intra-predictive encoding depending on a prediction tree and a transform tree

Country Status (11)

Country Link
US (2) US11778190B2 (https=)
EP (1) EP3414902A1 (https=)
JP (3) JP7023236B2 (https=)
KR (2) KR20250174733A (https=)
CN (2) CN108702508B (https=)
BR (1) BR112018015266A2 (https=)
CA (1) CA3014259A1 (https=)
MX (1) MX2018009722A (https=)
RU (1) RU2018132266A (https=)
TW (1) TW201740731A (https=)
WO (1) WO2017137312A1 (https=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3414902A1 (en) 2016-02-12 2018-12-19 Thomson Licensing A method and device for intra-predictive encoding/decoding a coding unit comprising picture data, said intra-predictive encoding depending on a prediction tree and a transform tree
MY201936A (en) 2018-06-29 2024-03-25 Huawei Tech Co Ltd Device and method for intra-prediction
AU2018217333B2 (en) 2018-08-17 2025-04-24 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a transformed block of video samples
AU2018217336B2 (en) 2018-08-17 2025-04-24 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a transformed block of video samples
JP2022016726A (ja) * 2018-11-16 2022-01-25 ソニーグループ株式会社 画像処理装置および方法
CN120529071A (zh) * 2020-04-02 2025-08-22 弗劳恩霍夫应用研究促进协会 解码/编码图片的方法、视频解码器/编码器和非暂时性数字存储介质
US12322144B2 (en) 2020-04-24 2025-06-03 Lg Electronics Inc. Point cloud data transmission device, point cloud data transmission method, point cloud data reception device and point cloud data reception method
US12250414B2 (en) 2020-06-05 2025-03-11 Lg Electronics Inc. Point cloud data processing device and processing method
US12249106B2 (en) 2020-06-05 2025-03-11 Lg Electronics Inc. Point cloud data processing device and processing method
WO2021256873A1 (ko) * 2020-06-17 2021-12-23 엘지전자 주식회사 포인트 클라우드 데이터 처리 디바이스 및 처리 방법
WO2021256887A1 (ko) * 2020-06-18 2021-12-23 엘지전자 주식회사 포인트 클라우드 데이터 전송 장치, 포인트 클라우드 데이터 전송 방법, 포인트 클라우드 데이터 수신 장치 및 포인트 클라우드 데이터 수신 방법

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101456498B1 (ko) 2009-08-14 2014-10-31 삼성전자주식회사 계층적 부호화 단위의 스캔 순서를 고려한 비디오 부호화 방법 및 장치, 비디오 복호화 방법 및 장치
KR20110061468A (ko) 2009-12-01 2011-06-09 (주)휴맥스 고해상도 영상의 부호화/복호화 방법 및 이를 수행하는 장치
KR101484280B1 (ko) 2009-12-08 2015-01-20 삼성전자주식회사 임의적인 파티션을 이용한 움직임 예측에 따른 비디오 부호화 방법 및 장치, 임의적인 파티션을 이용한 움직임 보상에 따른 비디오 복호화 방법 및 장치
KR101379188B1 (ko) 2010-05-17 2014-04-18 에스케이 텔레콤주식회사 인트라 블록 및 인터 블록이 혼합된 코딩블록을 이용하는 영상 부호화/복호화 장치 및 그 방법
US10397577B2 (en) 2011-03-08 2019-08-27 Velos Media, Llc Inverse scan order for significance map coding of transform coefficients in video coding
US9807426B2 (en) * 2011-07-01 2017-10-31 Qualcomm Incorporated Applying non-square transforms to video data
JP5541240B2 (ja) 2011-07-12 2014-07-09 コニカミノルタ株式会社 画像形成装置および画像処理方法
US8964833B2 (en) * 2011-07-19 2015-02-24 Qualcomm Incorporated Deblocking of non-square blocks for video coding
EP2745519B1 (en) 2011-08-17 2017-09-27 MediaTek Singapore Pte Ltd. Method and apparatus for intra prediction using non-square blocks
US9787982B2 (en) 2011-09-12 2017-10-10 Qualcomm Incorporated Non-square transform units and prediction units in video coding
IN2014CN02377A (https=) 2011-09-29 2015-06-19 Sharp Kk
US9838692B2 (en) 2011-10-18 2017-12-05 Qualcomm Incorporated Detecting availabilities of neighboring video units for video coding
US20130136180A1 (en) * 2011-11-29 2013-05-30 Futurewei Technologies, Inc. Unified Partitioning Structures and Signaling Methods for High Efficiency Video Coding
EP4274227A3 (en) 2012-02-04 2023-11-29 LG Electronics Inc. Video encoding method, video decoding method, and device using same
GB2501535A (en) 2012-04-26 2013-10-30 Sony Corp Chrominance Processing in High Efficiency Video Codecs
GB2508339A (en) * 2012-11-22 2014-06-04 Sony Corp Manipulation of transform coefficient blocks in high-efficiency video coding (HEVC)
KR102257269B1 (ko) * 2013-10-14 2021-05-26 마이크로소프트 테크놀로지 라이센싱, 엘엘씨 비디오 및 이미지 코딩 및 디코딩을 위한 인트라 블록 카피 예측 모드의 피쳐
US11284103B2 (en) 2014-01-17 2022-03-22 Microsoft Technology Licensing, Llc Intra block copy prediction with asymmetric partitions and encoder-side search patterns, search ranges and approaches to partitioning
US10306229B2 (en) * 2015-01-26 2019-05-28 Qualcomm Incorporated Enhanced multiple transforms for prediction residual
CN107534780A (zh) * 2015-02-25 2018-01-02 瑞典爱立信有限公司 视频中的帧间画面的编码和解码
EP3414902A1 (en) 2016-02-12 2018-12-19 Thomson Licensing A method and device for intra-predictive encoding/decoding a coding unit comprising picture data, said intra-predictive encoding depending on a prediction tree and a transform tree

Also Published As

Publication number Publication date
RU2018132266A (ru) 2020-03-12
JP2023139081A (ja) 2023-10-03
RU2018132266A3 (https=) 2020-06-01
CN116389729A (zh) 2023-07-04
KR102897968B1 (ko) 2025-12-09
MX2018009722A (es) 2019-01-24
US20230412810A1 (en) 2023-12-21
WO2017137312A1 (en) 2017-08-17
KR20180109927A (ko) 2018-10-08
CN108702508A (zh) 2018-10-23
US11778190B2 (en) 2023-10-03
BR112018015266A2 (pt) 2018-12-18
JP2019511153A (ja) 2019-04-18
EP3414902A1 (en) 2018-12-19
TW201740731A (zh) 2017-11-16
JP7558345B2 (ja) 2024-09-30
CN108702508B (zh) 2023-04-11
JP7023236B2 (ja) 2022-02-21
US12341963B2 (en) 2025-06-24
JP2022065033A (ja) 2022-04-26
US20190052881A1 (en) 2019-02-14
KR20250174733A (ko) 2025-12-12

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Effective date: 20220803