CL2023001946A1 - Método y dispositivo de codificación/decodificación de video a base de intra predicción - Google Patents

Método y dispositivo de codificación/decodificación de video a base de intra predicción

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Publication number
CL2023001946A1
CL2023001946A1 CL2023001946A CL2023001946A CL2023001946A1 CL 2023001946 A1 CL2023001946 A1 CL 2023001946A1 CL 2023001946 A CL2023001946 A CL 2023001946A CL 2023001946 A CL2023001946 A CL 2023001946A CL 2023001946 A1 CL2023001946 A1 CL 2023001946A1
Authority
CL
Chile
Prior art keywords
intra prediction
decoding method
device based
video coding
current block
Prior art date
Application number
CL2023001946A
Other languages
English (en)
Inventor
Baek Kim Ki
Original Assignee
B1 Institute Image Technology 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
Application filed by B1 Institute Image Technology Inc filed Critical B1 Institute Image Technology Inc
Publication of CL2023001946A1 publication Critical patent/CL2023001946A1/es

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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
    • H04N19/169—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
    • H04N19/186—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 a colour or a chrominance component
    • 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
    • H04N19/102—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
    • H04N19/102—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
    • 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
    • H04N19/10—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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/50—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
    • H04N19/553—Motion estimation dealing with occlusions
    • 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
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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

Abstract

La presente invención que se refiere a un método y dispositivo de codificación/decodificación de video de conformidad con la presente invención puede: determinar un área de referencia para la intra predicción del bloque actual; derivar el modo de intra predicción del bloque actual; y decodificar el bloque actual con base en el área de referencia y el modo de intra predicción.
CL2023001946A 2018-12-28 2023-06-30 Método y dispositivo de codificación/decodificación de video a base de intra predicción CL2023001946A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20180173164 2018-12-28
KR20180173228 2018-12-29

Publications (1)

Publication Number Publication Date
CL2023001946A1 true CL2023001946A1 (es) 2023-12-22

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CL2021001711A CL2021001711A1 (es) 2018-12-28 2021-06-25 Método y dispositivo de codificación/decodificación de video a base de intra predicción
CL2022001094A CL2022001094A1 (es) 2018-12-28 2022-04-29 Método y dispositivo de codificación/decodificación de video a base de intra predicción (divisional de la solicitud no. 202101711)
CL2023001948A CL2023001948A1 (es) 2018-12-28 2023-06-30 Método y dispositivo de codificación/decodificación de video a base de intra predicción
CL2023001946A CL2023001946A1 (es) 2018-12-28 2023-06-30 Método y dispositivo de codificación/decodificación de video a base de intra predicción
CL2023001950A CL2023001950A1 (es) 2018-12-28 2023-06-30 Método y dispositivo de codificación/decodificación de video a base de intra predicción
CL2023001947A CL2023001947A1 (es) 2018-12-28 2023-06-30 Método y dispositivo de codificación/decodificación de video a base de intra predicción

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CL2021001711A CL2021001711A1 (es) 2018-12-28 2021-06-25 Método y dispositivo de codificación/decodificación de video a base de intra predicción
CL2022001094A CL2022001094A1 (es) 2018-12-28 2022-04-29 Método y dispositivo de codificación/decodificación de video a base de intra predicción (divisional de la solicitud no. 202101711)
CL2023001948A CL2023001948A1 (es) 2018-12-28 2023-06-30 Método y dispositivo de codificación/decodificación de video a base de intra predicción

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CL2023001950A CL2023001950A1 (es) 2018-12-28 2023-06-30 Método y dispositivo de codificación/decodificación de video a base de intra predicción
CL2023001947A CL2023001947A1 (es) 2018-12-28 2023-06-30 Método y dispositivo de codificación/decodificación de video a base de intra predicción

Country Status (15)

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US (4) US10951918B2 (es)
EP (1) EP3905677A4 (es)
JP (1) JP7467467B2 (es)
KR (1) KR20200083356A (es)
CN (1) CN113261282A (es)
AU (1) AU2019416633A1 (es)
BR (1) BR112021012650A2 (es)
CA (1) CA3125318A1 (es)
CL (6) CL2021001711A1 (es)
CO (1) CO2021008542A2 (es)
MX (2) MX2021007764A (es)
PE (1) PE20212021A1 (es)
SG (1) SG11202106789YA (es)
WO (1) WO2020139060A1 (es)
ZA (2) ZA202104512B (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8867854B2 (en) * 2008-10-01 2014-10-21 Electronics And Telecommunications Research Institute Image encoder and decoder using undirectional prediction
CN112740670A (zh) * 2018-06-25 2021-04-30 Oppo广东移动通信有限公司 帧内预测方法和装置
SG11202101876RA (en) 2018-09-07 2021-03-30 B1 Institute Of Image Technology Inc Method and device for coding/decoding image using intra prediction
BR112021012650A2 (pt) * 2018-12-28 2021-11-03 B1 Institute Image Technology Inc Método e dispositivo de codificação/decodificação de vídeo baseados em predição intra
CN113302930A (zh) * 2019-01-09 2021-08-24 华为技术有限公司 视频译码中的时间运动约束子图像指示
EP4358036A2 (en) * 2019-03-11 2024-04-24 Huawei Technologies Co., Ltd. Interpolation filter clipping for sub-picture motion vectors
WO2021045147A1 (ja) * 2019-09-06 2021-03-11 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法、および復号方法
US20220239933A1 (en) * 2019-09-20 2022-07-28 Electronics And Telecommunications Research Institute Image encoding/decoding method and apparatus, and recording medium storing bitstream
US11477450B2 (en) * 2019-12-20 2022-10-18 Zte (Uk) Limited Indication of video slice height in video subpictures
US11917136B2 (en) 2021-07-15 2024-02-27 Tencent America LLC Intra mode coding
CN115988206B (zh) * 2023-03-21 2024-03-26 深圳传音控股股份有限公司 图像处理方法、处理设备及存储介质

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2725793A4 (en) 2011-06-27 2014-12-03 Panasonic Ip Corp America IMAGE DECODING METHOD, IMAGE ENCODING METHOD, IMAGE DECODING DEVICE, IMAGE ENCODING DEVICE, AND IMAGE ENCODING / DECODING DEVICE
KR20130049526A (ko) 2011-11-04 2013-05-14 오수미 복원 블록 생성 방법
KR101846250B1 (ko) * 2011-12-14 2018-04-06 주식회사 스카이미디어테크 적중률이 높은 ｍｐｍ을 통한 영상의 부호화 방법 및 장치, 그리고 복호화 방법 및 장치
US10362331B2 (en) * 2015-03-02 2019-07-23 Hfi Innovation Inc. Method and apparatus for intraBC mode with fractional-pel block vector resolution in video coding
WO2016182317A1 (ko) * 2015-05-12 2016-11-17 삼성전자 주식회사 인트라 예측을 수행하는 영상 복호화 방법 및 그 장치 및 인트라 예측을 수행하는 영상 부호화 방법 및 그 장치
WO2017065532A1 (ko) * 2015-10-13 2017-04-20 엘지전자(주) 비디오 신호의 인코딩, 디코딩 방법 및 장치
CN117499649A (zh) * 2016-04-29 2024-02-02 英迪股份有限公司 图像解码装置、图像编码装置和用于发送比特流的装置
CN114584765A (zh) * 2016-04-29 2022-06-03 英迪股份有限公司 解码和编码视频的方法以及传送比特流的方法
US20170374369A1 (en) * 2016-06-24 2017-12-28 Mediatek Inc. Methods and Apparatuses of Decoder Side Intra Mode Derivation
JP6792996B2 (ja) * 2016-10-12 2020-12-02 日本放送協会 符号化装置、復号装置及びプログラム
US10873746B2 (en) * 2016-12-21 2020-12-22 Sharp Kabushiki Kaisha Intra prediction image generation device using cross-component liner model, image decoding apparatus, and image coding apparatus using same
CN117478912A (zh) * 2018-02-23 2024-01-30 英迪股份有限公司 对图像进行解码或编码的方法和传输图像的数据的方法
US10448026B1 (en) 2018-07-09 2019-10-15 Tencent America LLC Method and apparatus for block vector signaling and derivation in intra picture block compensation
US10798376B2 (en) 2018-07-17 2020-10-06 Tencent America LLC Method and apparatus for video coding
SG11202101876RA (en) * 2018-09-07 2021-03-30 B1 Institute Of Image Technology Inc Method and device for coding/decoding image using intra prediction
WO2020130477A1 (ko) * 2018-12-17 2020-06-25 세종대학교산학협력단 비디오 부호화/복호화 방법 및 장치
BR112021012650A2 (pt) * 2018-12-28 2021-11-03 B1 Institute Image Technology Inc Método e dispositivo de codificação/decodificação de vídeo baseados em predição intra

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PE20212021A1 (es) 2021-10-18
CL2021001711A1 (es) 2021-12-24
JP7467467B2 (ja) 2024-04-15
MX2021007764A (es) 2021-08-05
AU2019416633A1 (en) 2021-08-19
CL2023001947A1 (es) 2023-12-22
CL2022001094A1 (es) 2023-02-03
CL2023001948A1 (es) 2023-12-22
US20230269370A1 (en) 2023-08-24
JP2022515992A (ja) 2022-02-24
ZA202104512B (en) 2024-02-28
MX2023007397A (es) 2023-07-05
KR20200083356A (ko) 2020-07-08
US20210160483A1 (en) 2021-05-27
WO2020139060A1 (ko) 2020-07-02
CA3125318A1 (en) 2020-07-02
CO2021008542A2 (es) 2021-07-30
CL2023001950A1 (es) 2023-12-22
US20210044798A1 (en) 2021-02-11
SG11202106789YA (en) 2021-07-29
US10951886B2 (en) 2021-03-16
US10951918B2 (en) 2021-03-16
ZA202210186B (en) 2023-11-29
EP3905677A1 (en) 2021-11-03
US11677933B2 (en) 2023-06-13
BR112021012650A2 (pt) 2021-11-03
EP3905677A4 (en) 2022-08-31
US20210044830A1 (en) 2021-02-11
CN113261282A (zh) 2021-08-13

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