CL2021001206A1 - Método de codificación/decodificación de señal de imagen y aparato para el mismo - Google Patents
Método de codificación/decodificación de señal de imagen y aparato para el mismoInfo
- Publication number
- CL2021001206A1 CL2021001206A1 CL2021001206A CL2021001206A CL2021001206A1 CL 2021001206 A1 CL2021001206 A1 CL 2021001206A1 CL 2021001206 A CL2021001206 A CL 2021001206A CL 2021001206 A CL2021001206 A CL 2021001206A CL 2021001206 A1 CL2021001206 A1 CL 2021001206A1
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- CL
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- decoding method
- image signal
- signal encoding
- apparatus therefor
- current block
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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
- H04N19/50—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
- H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
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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
- 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
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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
- H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
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- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/112—Selection of coding mode or of prediction mode according to a given display mode, e.g. for interlaced or progressive display mode
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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
- H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
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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
- 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
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- 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
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- 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
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- 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
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- H04N19/513—Processing of motion vectors
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- 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
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- H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
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- 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
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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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/70—Methods 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
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- H—ELECTRICITY
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- 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
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- 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, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Un método de decodificación de imagen de acuerdo con la presente invención puede comprender los pasos de: determinar si un modo de predicción combinado se aplica a un bloque actual; cuando el modo de predicción combinado se aplica al bloque actual, obtener un primer y segundo bloque de predicción con respecto al bloque actual; y, con base en un cálculo de una suma ponderada del primer y segundo bloque de predicción, obtener un tercer bloque de predicción con respecto al bloque actual.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR20180136256 | 2018-11-08 | ||
KR20180148948 | 2018-11-27 |
Publications (1)
Publication Number | Publication Date |
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CL2021001206A1 true CL2021001206A1 (es) | 2021-11-26 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CL2021001206A CL2021001206A1 (es) | 2018-11-08 | 2021-05-07 | Método de codificación/decodificación de señal de imagen y aparato para el mismo |
Country Status (18)
Country | Link |
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US (3) | US11252405B2 (es) |
EP (2) | EP4221204A1 (es) |
JP (4) | JP7182705B2 (es) |
KR (1) | KR20200054105A (es) |
CN (5) | CN113329224B (es) |
AU (1) | AU2019375718B2 (es) |
BR (1) | BR112021008731A2 (es) |
CA (1) | CA3117933C (es) |
CL (1) | CL2021001206A1 (es) |
ES (1) | ES2948265T3 (es) |
IL (2) | IL282612B2 (es) |
MX (1) | MX2021005368A (es) |
PH (1) | PH12021550932A1 (es) |
PL (1) | PL3849184T3 (es) |
RU (1) | RU2766152C1 (es) |
SG (1) | SG11202104319VA (es) |
WO (1) | WO2020096389A1 (es) |
ZA (1) | ZA202102793B (es) |
Families Citing this family (19)
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WO2020084475A1 (en) | 2018-10-22 | 2020-04-30 | Beijing Bytedance Network Technology Co., Ltd. | Utilization of refined motion vector |
EP3857879A4 (en) | 2018-11-12 | 2022-03-16 | Beijing Bytedance Network Technology Co., Ltd. | SIMPLIFICATION OF COMBINED INTER-INTRA PREDICTION |
KR20210091161A (ko) | 2018-11-20 | 2021-07-21 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 부분적 위치에 기반한 차분 계산 |
CN113170183B (zh) * | 2018-11-22 | 2024-04-02 | 北京字节跳动网络技术有限公司 | 用于具有几何分割的帧间预测的修剪方法 |
JP7401542B2 (ja) | 2018-11-26 | 2023-12-19 | 華為技術有限公司 | ピクチャのブロックのイントラ予測の方法 |
CN113243108A (zh) * | 2018-12-25 | 2021-08-10 | 北京达佳互联信息技术有限公司 | 利用三角形形状预测单元的视频编解码 |
WO2020135465A1 (en) | 2018-12-28 | 2020-07-02 | Beijing Bytedance Network Technology Co., Ltd. | Modified history based motion prediction |
US11032574B2 (en) * | 2018-12-31 | 2021-06-08 | Tencent America LLC | Method and apparatus for video coding |
US20220124310A1 (en) * | 2019-02-21 | 2022-04-21 | Electronics And Telecommunications Research Institute | Method and device for encoding/decoding video, and recording medium for storing bitstream |
KR102635518B1 (ko) | 2019-03-06 | 2024-02-07 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 변환된 단예측 후보의 사용 |
JP7361522B2 (ja) * | 2019-08-05 | 2023-10-16 | 日本放送協会 | 予測ブロック生成装置、画像符号化装置、画像復号装置、及びプログラム |
WO2021040037A1 (ja) * | 2019-08-29 | 2021-03-04 | 日本放送協会 | 符号化装置、復号装置、及びプログラム |
JP2023508178A (ja) * | 2019-12-26 | 2023-03-01 | エルジー エレクトロニクス インコーポレイティド | Pdpcを行う画像符号化/復号化方法、装置、及びビットストリームを伝送する方法 |
US11212523B2 (en) * | 2020-01-12 | 2021-12-28 | Mediatek Inc. | Video processing methods and apparatuses of merge number signaling in video coding systems |
US20220295075A1 (en) * | 2021-03-10 | 2022-09-15 | Lemon Inc. | Resource constrained video encoding |
US12003731B2 (en) * | 2021-09-29 | 2024-06-04 | Qualcomm Incorporated | Adaptive determination of multiple transform candidates for video coding |
WO2023224280A1 (ko) * | 2022-05-16 | 2023-11-23 | 현대자동차주식회사 | 혼합 성분간 예측을 사용하는 비디오 코딩을 위한 방법 및 장치 |
WO2024007366A1 (zh) * | 2022-07-08 | 2024-01-11 | Oppo广东移动通信有限公司 | 一种帧内预测融合方法、视频编解码方法、装置和系统 |
WO2024086722A1 (en) * | 2022-10-19 | 2024-04-25 | Tencent America LLC | Modified intra prediction fusion |
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US8085845B2 (en) * | 2003-08-26 | 2011-12-27 | Thomson Licensing | Method and apparatus for encoding hybrid intra-inter coded blocks |
KR100750136B1 (ko) * | 2005-11-02 | 2007-08-21 | 삼성전자주식회사 | 영상의 부호화, 복호화 방법 및 장치 |
CN102113326A (zh) * | 2008-08-04 | 2011-06-29 | 杜比实验室特许公司 | 重叠块差异估计和补偿体系结构 |
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 |
PL2869557T3 (pl) * | 2012-06-29 | 2024-02-19 | Electronics And Telecommunications Research Institute | Sposób i urządzenie do kodowania/dekodowania obrazów |
CN104769947B (zh) * | 2013-07-26 | 2019-02-26 | 北京大学深圳研究生院 | 一种基于p帧的多假设运动补偿编码方法 |
US10666940B2 (en) * | 2014-11-06 | 2020-05-26 | Samsung Electronics Co., Ltd. | Video encoding method and apparatus, and video decoding method and apparatus |
WO2017043816A1 (ko) * | 2015-09-10 | 2017-03-16 | 엘지전자(주) | 인터-인트라 병합 예측 모드 기반 영상 처리 방법 및 이를 위한 장치 |
KR20170058838A (ko) * | 2015-11-19 | 2017-05-29 | 한국전자통신연구원 | 화면간 예측 향상을 위한 부호화/복호화 방법 및 장치 |
US10666936B2 (en) * | 2015-12-17 | 2020-05-26 | Samsung Electronics Co., Ltd. | Video decoding method and video decoding apparatus using merge candidate list |
KR102511546B1 (ko) * | 2017-02-24 | 2023-03-17 | 주식회사 케이티 | 비디오 신호 처리 방법 및 장치 |
KR20190043482A (ko) * | 2017-10-18 | 2019-04-26 | 한국전자통신연구원 | 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
US20200120339A1 (en) * | 2018-10-11 | 2020-04-16 | Mediatek Inc. | Intra Prediction For Multi-Hypothesis |
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2019
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2021
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2022
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2023
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