MX2021005368A - 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 mismo.

Info

Publication number
MX2021005368A
MX2021005368A MX2021005368A MX2021005368A MX2021005368A MX 2021005368 A MX2021005368 A MX 2021005368A MX 2021005368 A MX2021005368 A MX 2021005368A MX 2021005368 A MX2021005368 A MX 2021005368A MX 2021005368 A MX2021005368 A MX 2021005368A
Authority
MX
Mexico
Prior art keywords
decoding method
image signal
signal encoding
apparatus therefor
current block
Prior art date
Application number
MX2021005368A
Other languages
English (en)
Inventor
Bae Keun Lee
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
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 Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of MX2021005368A publication Critical patent/MX2021005368A/es

Links

Classifications

    • 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
    • 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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal 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
    • H04N19/103—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
    • 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
    • H04N19/102—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
    • H04N19/124—Quantisation
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/50—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
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • 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
    • H04N19/70—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
    • 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)
  • 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.
MX2021005368A 2018-11-08 2019-11-07 Método de codificación/decodificación de señal de imagen y aparato para el mismo. MX2021005368A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20180136256 2018-11-08
KR20180148948 2018-11-27
PCT/KR2019/015097 WO2020096389A1 (ko) 2018-11-08 2019-11-07 영상 신호 부호화/복호화 방법 및 이를 위한 장치

Publications (1)

Publication Number Publication Date
MX2021005368A true MX2021005368A (es) 2021-07-06

Family

ID=70612512

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2021005368A MX2021005368A (es) 2018-11-08 2019-11-07 Método de codificación/decodificación de señal de imagen y aparato para el mismo.

Country Status (18)

Country Link
US (3) US11252405B2 (es)
EP (2) EP4221204A1 (es)
JP (4) JP7182705B2 (es)
KR (1) KR20200054105A (es)
CN (5) CN116074503A (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 (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020084473A1 (en) 2018-10-22 2020-04-30 Beijing Bytedance Network Technology Co., Ltd. Multi- iteration motion vector refinement
WO2020098650A1 (en) 2018-11-12 2020-05-22 Beijing Bytedance Network Technology Co., Ltd. Line buffer reduction for generalized bi-prediction mode
CN117319644A (zh) 2018-11-20 2023-12-29 北京字节跳动网络技术有限公司 基于部分位置的差计算
WO2020103934A1 (en) 2018-11-22 2020-05-28 Beijing Bytedance Network Technology Co., Ltd. Construction method for inter prediction with geometry partition
AU2019390215B2 (en) 2018-11-26 2023-04-06 Huawei Technologies Co., Ltd. Method of intra predicting a block of a picture
EP3884667B1 (en) * 2018-12-25 2024-04-17 Beijing Dajia Internet Information Technology Co., Ltd. Video coding with triangular shape prediction units
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
WO2020171658A1 (ko) * 2019-02-21 2020-08-27 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
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
CN114365487A (zh) * 2019-08-29 2022-04-15 日本放送协会 编码装置、解码装置及程序
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
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

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005022920A1 (en) * 2003-08-26 2005-03-10 Thomson Licensing S.A. 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
WO2010017166A2 (en) * 2008-08-04 2010-02-11 Dolby Laboratories Licensing Corporation Overlapped block disparity estimation and compensation architecture
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
EP4216546A1 (en) * 2012-06-29 2023-07-26 Electronics And Telecommunications Research Institute Method for encoding/decoding images
WO2015010319A1 (zh) * 2013-07-26 2015-01-29 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
CN107113425A (zh) * 2014-11-06 2017-08-29 三星电子株式会社 视频编码方法和设备以及视频解码方法和设备
KR20180041211A (ko) * 2015-09-10 2018-04-23 엘지전자 주식회사 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
CN115022632A (zh) * 2017-10-18 2022-09-06 韩国电子通信研究院 图像编码/解码方法和装置以及存储有比特流的记录介质
US20200120339A1 (en) * 2018-10-11 2020-04-16 Mediatek Inc. Intra Prediction For Multi-Hypothesis

Also Published As

Publication number Publication date
US11909955B2 (en) 2024-02-20
CL2021001206A1 (es) 2021-11-26
CN113170126A (zh) 2021-07-23
CN116074503A (zh) 2023-05-05
JP2022505874A (ja) 2022-01-14
PH12021550932A1 (en) 2021-11-08
EP4221204A1 (en) 2023-08-02
PL3849184T3 (pl) 2023-07-24
AU2019375718A1 (en) 2021-05-27
AU2019375718B2 (en) 2022-06-02
CN113329224B (zh) 2022-12-16
ZA202102793B (en) 2022-10-26
CA3117933C (en) 2023-05-23
EP3849184B1 (en) 2023-05-10
US11252405B2 (en) 2022-02-15
JP2023018044A (ja) 2023-02-07
CN116347069A (zh) 2023-06-27
WO2020096389A1 (ko) 2020-05-14
US20210227212A1 (en) 2021-07-22
RU2766152C1 (ru) 2022-02-08
IL307307A (en) 2023-11-01
KR20200054105A (ko) 2020-05-19
SG11202104319VA (en) 2021-05-28
BR112021008731A2 (pt) 2021-08-03
JP7182705B2 (ja) 2022-12-02
EP3849184A4 (en) 2021-12-01
ES2948265T3 (es) 2023-09-07
CN113329224A (zh) 2021-08-31
IL282612A (en) 2021-06-30
US20240137497A1 (en) 2024-04-25
CA3117933A1 (en) 2020-05-14
US20220124322A1 (en) 2022-04-21
EP3849184A1 (en) 2021-07-14
JP2023018045A (ja) 2023-02-07
IL282612B1 (en) 2023-11-01
JP2023018046A (ja) 2023-02-07
CN116506598A (zh) 2023-07-28
IL282612B2 (en) 2024-03-01

Similar Documents

Publication Publication Date Title
PH12021550932A1 (en) Image signal encoding/decoding method and apparatus therefor
MX2021005654A (es) Tecnica de modulacion por codificacion de pulsos en procesamiento de video.
ZA202104449B (en) Video encoding and decoding
WO2019050385A3 (ko) 비디오 신호를 엔트로피 인코딩, 디코딩하는 방법 및 장치
EP4300961A3 (en) Image signal encoding/decoding method and device
MX2021003135A (es) Metodo de codificacion y decodificacion de informacion de movimiento, y aparatos para codificar y decodificar informacion de movimiento.
PH12021550966A1 (en) Method for encoding/decoding image signal, and apparatus therefor
MX2023007743A (es) Metodo y aparato para codificar/decodificar imagen.
MX2019003553A (es) Metodo de codificacion de video, metodo de decodificacion de video y terminal.
MX2018016071A (es) Codificacion de video con refinamiento de informacion de movimiento adaptativo.
WO2017188779A3 (ko) 영상 신호 부호화/복호화 방법 및 장치
ZA202106161B (en) Encoding and decoding method and device, encoder side apparatus and decoder side apparatus
PH12021550624A1 (en) Method for encoding/decoding image signal and device for same
ZA202202999B (en) Method and device for coding/decoding image using intra prediction
PH12021551031A1 (en) Method for encoding/decoding image signal and device therefor
WO2018008904A3 (ko) 비디오 신호 처리 방법 및 장치
PH12020551906A1 (en) Encoding method and device therefor, and decoding method and device therefor
MX2021004886A (es) Procedimiento de codificación y decodificación de señal de vídeo y aparato para ello.
MX2022002207A (es) Metodo y dispositivo de codificacion/decodificacion de imagen para realizar prediccion ponderada y metodo para transmitir flujo de bits.
MX2021006936A (es) Metodo y aparato para desbloquear una imagen.
PH12020500550A1 (en) Encoding method apparatus therefor, and decoding method and apparatus therefor
PH12021551029A1 (en) Image signal encoding/decoding method and apparatus therefor
MX2021006390A (es) Codificador, decodificador y métodos correspondientes de la construcción de lista de modo más probable para bloques con predicción de multihipótesis.
MX2022003168A (es) Metodo, dispositivo y aparato de codificacion y decodificacion.
ZA202210139B (en) Image encoding/decoding method and device