JP2021500818A - 画像データ符号化及び復号化 - Google Patents

画像データ符号化及び復号化 Download PDF

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JP2021500818A
JP2021500818A JP2020523332A JP2020523332A JP2021500818A JP 2021500818 A JP2021500818 A JP 2021500818A JP 2020523332 A JP2020523332 A JP 2020523332A JP 2020523332 A JP2020523332 A JP 2020523332A JP 2021500818 A JP2021500818 A JP 2021500818A
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image
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JP2021500818A5 (OSRAM
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ステファン マーク キーティング
ステファン マーク キーティング
カール ジェームス シャーマン
カール ジェームス シャーマン
マガリ キムリー ミリ フィリップ
マガリ キムリー ミリ フィリップ
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Sony Corp
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Sony Corp
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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
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
    • H04N19/102—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
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/134—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
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    • 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
    • H04N19/167—Position within a video image, e.g. region of interest [ROI]
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • 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
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    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H04N19/45—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder performing compensation of the inverse transform mismatch, e.g. Inverse Discrete Cosine Transform [IDCT] mismatch
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • 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
    • H04N19/60—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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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
    • H04N19/156—Availability of hardware or computational resources, e.g. encoding based on power-saving criteria

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2020523332A 2017-10-27 2018-10-24 画像データ符号化及び復号化 Pending JP2021500818A (ja)

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JP2023148233A JP2023166555A (ja) 2017-10-27 2023-09-13 画像データ符号化及び復号化

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Application Number Priority Date Filing Date Title
GB1717684.3A GB2567861A (en) 2017-10-27 2017-10-27 Image data encoding and decoding
GB1717684.3 2017-10-27
GB1809024.1A GB2567913A (en) 2017-10-27 2018-06-01 Image data encoding and decoding
GB1809024.1 2018-06-01
PCT/GB2018/053077 WO2019081927A1 (en) 2017-10-27 2018-10-24 CODING AND DECODING IMAGE DATA

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JP2021500818A true JP2021500818A (ja) 2021-01-07
JP2021500818A5 JP2021500818A5 (OSRAM) 2023-02-22

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US (7) US10728556B2 (OSRAM)
EP (1) EP3701723B1 (OSRAM)
JP (2) JP2021500818A (OSRAM)
CN (1) CN111279704B (OSRAM)
AU (1) AU2018357062B2 (OSRAM)
BR (1) BR112020007835A2 (OSRAM)
CA (1) CA3080084A1 (OSRAM)
ES (1) ES3040535T3 (OSRAM)
GB (3) GB2567861A (OSRAM)
HU (1) HUE073403T2 (OSRAM)
MX (1) MX2020003873A (OSRAM)
RU (1) RU2020113977A (OSRAM)
WO (2) WO2019081929A1 (OSRAM)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115988205B (zh) * 2018-06-15 2024-03-01 华为技术有限公司 用于帧内预测的方法、装置
US11343536B2 (en) 2018-06-27 2022-05-24 Kt Corporation Method and apparatus for processing video signal
GB2577336A (en) 2018-09-24 2020-03-25 Sony Corp Image data encoding and decoding
US11509919B2 (en) * 2018-10-17 2022-11-22 Tencent America Reference sample memory size restrictions for intra block copy
CN122053825A (zh) * 2018-12-25 2026-05-15 Oppo广东移动通信有限公司 解码预测方法、装置及计算机存储介质
EP4222708A1 (en) * 2020-09-30 2023-08-09 InterDigital CE Patent Holdings, SAS A method and an apparatus for encoding/decoding at least one attribute of an animated 3d object

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012191295A (ja) * 2011-03-09 2012-10-04 Canon Inc 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム
US20170272757A1 (en) * 2016-03-18 2017-09-21 Mediatek Inc. Method and apparatus of video coding

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030202590A1 (en) * 2002-04-30 2003-10-30 Qunshan Gu Video encoding using direct mode predicted frames
US7440500B2 (en) * 2003-07-15 2008-10-21 Lsi Logic Corporation Supporting motion vectors outside picture boundaries in motion estimation process
JP5686499B2 (ja) * 2009-01-22 2015-03-18 株式会社Ｎｔｔドコモ 画像予測符号化装置、方法及びプログラム、画像予測復号装置、方法及びプログラム、並びに、符号化・復号システム及び方法
US20120236936A1 (en) * 2011-03-14 2012-09-20 Segall Christopher A Video coding based on edge determination
KR101383775B1 (ko) 2011-05-20 2014-04-14 주식회사 케이티 화면 내 예측 방법 및 장치
US9077578B1 (en) * 2011-06-06 2015-07-07 Vuemix, Inc. Scalable real-time video compositing systems and methods
KR20130049525A (ko) 2011-11-04 2013-05-14 오수미 잔차 블록 복원을 위한 역변환 방법
US9237344B2 (en) 2012-03-22 2016-01-12 Qualcomm Incorporated Deriving context for last position coding for video coding
US9247251B1 (en) * 2013-07-26 2016-01-26 Google Inc. Right-edge extension for quad-tree intra-prediction
GB2521828A (en) * 2013-12-23 2015-07-08 Sony Corp Data encoding and decoding
CA2964642A1 (en) 2014-10-31 2016-05-06 Mediatek Inc. Method of improved directional intra prediction for video coding
US10659805B2 (en) * 2015-01-29 2020-05-19 Ecole De Technologie Superieure Method and apparatus for video intermodal transcoding
CN115002457B (zh) * 2015-06-05 2025-05-06 杜比实验室特许公司 图像编码和解码方法和图像解码设备
PH12018500454B1 (en) * 2015-09-03 2024-02-28 Mediatek Inc Method and apparatus of nueral network based processing in video coding
EP3148190A1 (en) * 2015-09-25 2017-03-29 Thomson Licensing Method and apparatus for intra prediction in video encoding and decoding
CN108293116A (zh) * 2015-11-24 2018-07-17 三星电子株式会社 视频解码方法及设备和视频编码方法及设备
KR20180086203A (ko) * 2015-12-17 2018-07-30 삼성전자주식회사 영상을 부호화/복호화 하는 방법 및 그 장치
US11259047B2 (en) * 2016-04-06 2022-02-22 Kt Corporation Method and apparatus for processing video signal
US10764576B2 (en) * 2016-05-04 2020-09-01 Microsoft Technology Licensing, Llc Intra-picture prediction using non-adjacent reference lines of sample values
WO2017205701A1 (en) * 2016-05-25 2017-11-30 Arris Enterprises Llc Weighted angular prediction for intra coding
US10230961B2 (en) * 2016-06-03 2019-03-12 Mediatek Inc. Method and apparatus for template-based intra prediction in image and video coding
PL3890326T3 (pl) * 2016-06-24 2024-02-12 Kt Corporation Predykcja wewnątrzobrazowa z wykorzystaniem pikseli referencyjnych z dodatkowych linii
CN116527887B (zh) * 2016-08-01 2025-09-30 韩国电子通信研究院 图像编码/解码方法和设备以及存储比特流的记录介质
CN109804625B (zh) * 2016-10-04 2024-08-13 Lx半导体科技有限公司 对图像编码/解码的方法和装置及存储比特流的记录介质
US10951912B2 (en) 2016-10-05 2021-03-16 Qualcomm Incorporated Systems and methods for adaptive selection of weights for video coding
CN117336508A (zh) * 2017-07-06 2024-01-02 Lx 半导体科技有限公司 图像编码/解码设备和发送图像数据的设备
CN118413668A (zh) * 2017-11-28 2024-07-30 Lx 半导体科技有限公司 图像编码/解码方法、图像数据的传输方法和存储介质

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012191295A (ja) * 2011-03-09 2012-10-04 Canon Inc 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム
US20170272757A1 (en) * 2016-03-18 2017-09-21 Mediatek Inc. Method and apparatus of video coding

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GB201717684D0 (en) 2017-12-13
GB2567861A (en) 2019-05-01
GB201812556D0 (en) 2018-09-12
EP3701723B1 (en) 2025-07-09
US20190132596A1 (en) 2019-05-02
AU2018357062A1 (en) 2020-04-02
US20200252606A1 (en) 2020-08-06
US11330275B2 (en) 2022-05-10
GB2567913A (en) 2019-05-01
US20200344484A1 (en) 2020-10-29
CN111279704B (zh) 2023-06-30
US12137231B2 (en) 2024-11-05
JP2023166555A (ja) 2023-11-21
CA3080084A1 (en) 2019-05-02
RU2020113977A (ru) 2021-10-20
US20200267410A1 (en) 2020-08-20
MX2020003873A (es) 2020-08-13
US11523121B2 (en) 2022-12-06
BR112020007835A2 (pt) 2020-10-13
CN111279704A (zh) 2020-06-12
US11949882B2 (en) 2024-04-02
AU2018357062B2 (en) 2023-02-23
GB2567918A (en) 2019-05-01
ES3040535T3 (en) 2025-11-03
RU2020113977A3 (OSRAM) 2022-02-15
US20210360261A1 (en) 2021-11-18
GB201809024D0 (en) 2018-07-18
US20230083246A1 (en) 2023-03-16
WO2019081927A1 (en) 2019-05-02
US11159803B2 (en) 2021-10-26
US10728556B2 (en) 2020-07-28
US20230171413A1 (en) 2023-06-01
WO2019081929A1 (en) 2019-05-02
EP3701723A1 (en) 2020-09-02
HUE073403T2 (hu) 2026-01-28

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