MX2022001902A - Método y aparato de codificación/decodificación de imagen para determinar el modo de predicción del bloque de croma por referencia a la posición de la muestra de luma, y método para transmitir flujo de bits. - Google Patents
Método y aparato de codificación/decodificación de imagen para determinar el modo de predicción del bloque de croma por referencia a la posición de la muestra de luma, y método para transmitir flujo de bits.Info
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- MX2022001902A MX2022001902A MX2022001902A MX2022001902A MX2022001902A MX 2022001902 A MX2022001902 A MX 2022001902A MX 2022001902 A MX2022001902 A MX 2022001902A MX 2022001902 A MX2022001902 A MX 2022001902A MX 2022001902 A MX2022001902 A MX 2022001902A
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- prediction mode
- chroma block
- sample position
- luma sample
- image encoding
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- 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
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- 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
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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
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
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- 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
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- H—ELECTRICITY
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- 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
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- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
La presente invención se refiere a un método y aparato de codificación/decodificación de imagen. Un método de decodificación de imagen realizado por un aparato de decodificación de imagen puede comprender identificar un bloque de croma actual dividiendo una imagen, identificar sí una matriz basada en modo de intra predicción se aplica a una primera posición de muestra de luma correspondiente al bloque de croma actual, identificar sí un modo de predicción predeterminada se aplica a una segunda posición de muestra de luma correspondiente al bloque de croma actual, basado en el modo de intra predicción basado en matriz que no es aplicada, y determinar un candidato del modo de intra predicción del bloque de croma actual basado en un modo de intra predicción que se aplica a una tercera posición de muestra de luma correspondiente al bloque de croma actual, basado en el modo de predicción predeterminada que no es aplicado.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962886353P | 2019-08-14 | 2019-08-14 | |
PCT/KR2020/010904 WO2021029744A1 (ko) | 2019-08-14 | 2020-08-14 | 루마 샘플 위치를 참조하여 크로마 블록의 예측 모드를 결정하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법 |
Publications (1)
Publication Number | Publication Date |
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MX2022001902A true MX2022001902A (es) | 2022-04-18 |
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Application Number | Title | Priority Date | Filing Date |
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MX2022001902A MX2022001902A (es) | 2019-08-14 | 2020-08-14 | Método y aparato de codificación/decodificación de imagen para determinar el modo de predicción del bloque de croma por referencia a la posición de la muestra de luma, y método para transmitir flujo de bits. |
Country Status (8)
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US (2) | US11595642B2 (es) |
EP (1) | EP4017000A4 (es) |
JP (2) | JP7358622B2 (es) |
KR (2) | KR102465614B1 (es) |
CN (5) | CN115767087A (es) |
AU (2) | AU2020328402B2 (es) |
MX (1) | MX2022001902A (es) |
WO (1) | WO2021029744A1 (es) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115767087A (zh) * | 2019-08-14 | 2023-03-07 | Lg电子株式会社 | 图像编解码方法、发送比特流的方法和记录介质 |
GB2591806B (en) * | 2020-02-07 | 2023-07-19 | British Broadcasting Corp | Chroma intra prediction in video coding and decoding |
WO2023200241A1 (ko) * | 2022-04-12 | 2023-10-19 | 한국전자통신연구원 | 화면내 블록 복사를 이용한 비디오 부호화/복호화를 위한 방법 및 장치 |
WO2024010356A1 (ko) * | 2022-07-05 | 2024-01-11 | 엘지전자 주식회사 | 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체 |
Family Cites Families (20)
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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 |
KR101503269B1 (ko) | 2010-04-05 | 2015-03-17 | 삼성전자주식회사 | 영상 부호화 단위에 대한 인트라 예측 모드 결정 방법 및 장치, 및 영상 복호화 단위에 대한 인트라 예측 모드 결정 방법 및 장치 |
KR101383775B1 (ko) * | 2011-05-20 | 2014-04-14 | 주식회사 케이티 | 화면 내 예측 방법 및 장치 |
KR20130049526A (ko) | 2011-11-04 | 2013-05-14 | 오수미 | 복원 블록 생성 방법 |
US20170374384A1 (en) | 2015-01-14 | 2017-12-28 | Vid Scale, Inc. | Palette coding for non-4:4:4 screen content video |
KR102658290B1 (ko) * | 2015-06-08 | 2024-04-16 | 브이아이디 스케일, 인크. | 스크린 콘텐츠 코딩을 위한 인트라 블록 카피 모드 |
WO2017034331A1 (ko) | 2015-08-27 | 2017-03-02 | 엘지전자 주식회사 | 영상 코딩 시스템에서 크로마 샘플 인트라 예측 방법 및 장치 |
KR20180135075A (ko) * | 2016-07-14 | 2018-12-19 | 삼성전자주식회사 | 크로마 인트라 예측 방법 및 그 장치 |
JP6798015B2 (ja) * | 2016-09-30 | 2020-12-09 | エルジー エレクトロニクス インコーポレイティド | 画像コーディングシステムにおけるブロック分割及びイントラ予測方法並びに装置 |
CN116668722A (zh) * | 2017-05-17 | 2023-08-29 | 株式会社Kt | 用于解码视频的方法和用于编码视频的方法 |
WO2019059640A1 (ko) | 2017-09-19 | 2019-03-28 | 엘지전자 주식회사 | 인트라 예측 모드 기반 영상 처리 방법 및 이를 위한 장치 |
US10986349B2 (en) | 2017-12-29 | 2021-04-20 | Microsoft Technology Licensing, Llc | Constraints on locations of reference blocks for intra block copy prediction |
MX2021002093A (es) * | 2018-08-24 | 2021-04-28 | Samsung Electronics Co Ltd | Metodo y aparato de decodificacion de videos y metodo y aparato de codificacion de video. |
US10917636B2 (en) * | 2018-12-03 | 2021-02-09 | Tencent America LLC | Method and apparatus for video coding |
WO2020139008A1 (ko) * | 2018-12-28 | 2020-07-02 | 한국전자통신연구원 | 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
US11611759B2 (en) * | 2019-05-24 | 2023-03-21 | Qualcomm Incorporated | Merge mode coding for video coding |
EP3975556A4 (en) * | 2019-06-19 | 2022-08-03 | Lg Electronics Inc. | IMAGE DECODING METHOD FOR PERFORMING INTER-PREDICTION WHEN THE CURRENT BLOCK PREDICTION MODE CANNOT FINALLY BE SELECTED AND ASSOCIATED DEVICE |
CA3145380A1 (en) | 2019-07-24 | 2021-01-28 | Biao Wang | An encoder, a decoder and corresponding methods related to intra prediction mode |
JP7422858B2 (ja) * | 2019-08-03 | 2024-01-26 | 北京字節跳動網絡技術有限公司 | ビデオ処理方法、装置、記憶媒体及び記憶方法 |
CN115767087A (zh) * | 2019-08-14 | 2023-03-07 | Lg电子株式会社 | 图像编解码方法、发送比特流的方法和记录介质 |
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CN115834879A (zh) | 2023-03-21 |
CN115767087A (zh) | 2023-03-07 |
AU2020328402A1 (en) | 2022-04-07 |
CN114586344A (zh) | 2022-06-03 |
JP7358622B2 (ja) | 2023-10-10 |
US20220272329A1 (en) | 2022-08-25 |
WO2021029744A1 (ko) | 2021-02-18 |
CN115767089A (zh) | 2023-03-07 |
AU2024200721A1 (en) | 2024-02-22 |
KR20220020992A (ko) | 2022-02-21 |
CN114586344B (zh) | 2022-12-09 |
KR20220153124A (ko) | 2022-11-17 |
EP4017000A4 (en) | 2022-10-05 |
AU2020328402B2 (en) | 2023-12-21 |
CN115767088A (zh) | 2023-03-07 |
EP4017000A1 (en) | 2022-06-22 |
US11973942B2 (en) | 2024-04-30 |
US20230171401A1 (en) | 2023-06-01 |
JP2023166620A (ja) | 2023-11-21 |
US11595642B2 (en) | 2023-02-28 |
JP2022535161A (ja) | 2022-08-04 |
KR102465614B1 (ko) | 2022-11-09 |
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