MX2020014195A - Método y aparato para intra predicción. - Google Patents

Método y aparato para intra predicción.

Info

Publication number
MX2020014195A
MX2020014195A MX2020014195A MX2020014195A MX2020014195A MX 2020014195 A MX2020014195 A MX 2020014195A MX 2020014195 A MX2020014195 A MX 2020014195A MX 2020014195 A MX2020014195 A MX 2020014195A MX 2020014195 A MX2020014195 A MX 2020014195A
Authority
MX
Mexico
Prior art keywords
mode
intra prediction
current block
mpm
prediction mode
Prior art date
Application number
MX2020014195A
Other languages
English (en)
Inventor
Semih Esenlik
Jianle Chen
Zhijie Zhao
Biao Wang
Anand Meher Kotra
Han Gao
Original Assignee
Huawei Tech Co 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 Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of MX2020014195A publication Critical patent/MX2020014195A/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
    • H04N19/10—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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • H04N19/169—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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/436—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation using parallelised computational arrangements
    • 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
    • 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
    • H04N19/70—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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)

Abstract

Se proporciona un método de decodificación y un decodificador para decodificar un bloque actual de un video, en donde el método de decodificación comprende: obtener un valor de un indicador de Modos Más Probables, MPM para el bloque actual de una corriente de bits; obtener un índice MPM para el bloque actual de la corriente de bits, cuando el valor del indicador MPM indica que un modo de intra predicción para el bloque actual es un modo de intra predicción comprendido en un conjunto MPM de modos de intra predicción; obtener un valor de un modo de intra predicción para el bloque actual, con base en el índice MPM y el conjunto MPM para el bloque actual; en donde cuando un modo de intra predicción de un bloque vecino izquierdo del bloque actual es un modo Plano, y un modo de intra predicción de un bloque vecino de encima del bloque actual es un modo Plano, el conjunto MPM de modos de predicción comprende: un modo Plano, un modo DC, un modo Vertical, un modo Horizontal, un modo de intra predicción correspondiente al modo Vertical con un primer desfase, y un modo de intra predicción correspondiente al modo Vertical con un segundo desfase.
MX2020014195A 2018-09-03 2019-09-03 Método y aparato para intra predicción. MX2020014195A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862726419P 2018-09-03 2018-09-03
PCT/CN2019/104254 WO2020048463A1 (en) 2018-09-03 2019-09-03 Method and apparatus for intra prediction

Publications (1)

Publication Number Publication Date
MX2020014195A true MX2020014195A (es) 2022-01-14

Family

ID=69721566

Family Applications (2)

Application Number Title Priority Date Filing Date
MX2020014195A MX2020014195A (es) 2018-09-03 2019-09-03 Método y aparato para intra predicción.
MX2022000585A MX2022000585A (es) 2018-09-03 2020-12-18 Metodo y aparato para intra prediccion.

Family Applications After (1)

Application Number Title Priority Date Filing Date
MX2022000585A MX2022000585A (es) 2018-09-03 2020-12-18 Metodo y aparato para intra prediccion.

Country Status (11)

Country Link
US (3) US10972725B2 (es)
EP (2) EP4346211A2 (es)
JP (3) JP7039731B2 (es)
KR (3) KR20210002663A (es)
CN (5) CN117998095A (es)
AU (2) AU2019335453B2 (es)
BR (1) BR112020027043A2 (es)
CA (1) CA3111038A1 (es)
MX (2) MX2020014195A (es)
SG (1) SG11202101742UA (es)
WO (1) WO2020048463A1 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102072832B1 (ko) * 2012-09-26 2020-02-03 벨로스 미디어 인터내셔널 리미티드 화상 부호화 방법, 화상 복호 방법, 화상 부호화 장치, 화상 복호 장치, 및, 화상 부호화 복호 장치
US11394965B2 (en) * 2018-09-11 2022-07-19 Lg Electronics Inc. Method for processing image on basis of intra prediction mode, and device therefor
WO2020139006A2 (ko) * 2018-12-28 2020-07-02 한국전자통신연구원 화면 내 예측 모드 유도 방법 및 장치
CN116527893A (zh) * 2019-01-08 2023-08-01 Lg电子株式会社 解码设备、编码设备和数据发送设备
US11190758B2 (en) * 2019-04-25 2021-11-30 Qualcomm Incorporated Block-based quantized residual domain pulse code modulation assignment for intra prediction mode derivation
US11936916B2 (en) * 2019-06-25 2024-03-19 Lg Electronics Inc. Image decoding method using lossless coding in image coding system and apparatus therefor
US20220400255A1 (en) * 2021-06-11 2022-12-15 Tencent America LLC Intra Mode Coding
US20230008488A1 (en) * 2021-07-07 2023-01-12 Tencent America LLC Entropy coding for intra prediction modes
US11917136B2 (en) * 2021-07-15 2024-02-27 Tencent America LLC Intra mode coding

Family Cites Families (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100348051C (zh) * 2005-03-31 2007-11-07 华中科技大学 一种增强型帧内预测模式编码方法
RU2008146977A (ru) * 2006-04-28 2010-06-10 НТТ ДоКоМо, Инк. (JP) Устройство прогнозирующего кодирования изображений, способ прогнозирующего кодирования изображений, программа прогнозирующего кодирования изображений, устройство прогнозирующего декодирования изображений, способ прогнозирующего декодирования изображений и программа прогнозирующего декодирования изображений
KR102109244B1 (ko) * 2009-07-01 2020-05-11 인터디지털 브이씨 홀딩스 인코포레이티드 비디오 인코더 및 디코더용 대형 블록에 대한 인트라 예측을 시그널링하기 위한 방법 및 장치
CN102598667B (zh) * 2009-09-14 2015-03-18 汤姆森特许公司 帧内预测模式的高效视频编码和解码的方法和装置
US8902978B2 (en) * 2010-05-30 2014-12-02 Lg Electronics Inc. Enhanced intra prediction mode signaling
US10171813B2 (en) 2011-02-24 2019-01-01 Qualcomm Incorporated Hierarchy of motion prediction video blocks
PT2887670T (pt) * 2011-06-28 2017-09-18 Samsung Electronics Co Ltd Método e aparelho para codificar vídeo e método e aparelho para descodificar vídeo, acompanhados com intra previsão
US9699456B2 (en) * 2011-07-20 2017-07-04 Qualcomm Incorporated Buffering prediction data in video coding
US9699457B2 (en) * 2011-10-11 2017-07-04 Qualcomm Incorporated Most probable transform for intra prediction coding
CN105338345B (zh) * 2011-10-24 2019-01-04 英孚布瑞智有限私人贸易公司 用于图像解码的方法和装置
KR20130049522A (ko) * 2011-11-04 2013-05-14 오수미 인트라 예측 블록 생성 방법
KR20130049523A (ko) * 2011-11-04 2013-05-14 오수미 인트라 예측 블록 생성 장치
KR20130049526A (ko) * 2011-11-04 2013-05-14 오수미 복원 블록 생성 방법
US9210438B2 (en) * 2012-01-20 2015-12-08 Sony Corporation Logical intra mode naming in HEVC video coding
KR20170084055A (ko) * 2014-11-06 2017-07-19 삼성전자주식회사 비디오 부호화 방법 및 장치, 비디오 복호화 방법 및 장치
WO2016195460A1 (ko) * 2015-06-05 2016-12-08 한양대학교 산학협력단 화면 내 예측에 대한 부호화/복호화 방법 및 장치
US10142627B2 (en) * 2015-06-18 2018-11-27 Qualcomm Incorporated Intra prediction and intra mode coding
KR20180107097A (ko) * 2016-02-16 2018-10-01 삼성전자주식회사 비디오 복호화 방법 및 그 장치 및 비디오 부호화 방법 및 그 장치
EP4037316A1 (en) * 2016-02-16 2022-08-03 Samsung Electronics Co., Ltd. Method for decoding an image
CN113438477A (zh) 2016-04-06 2021-09-24 株式会社Kt 对视频进行编码、解码的方法及存储压缩视频数据的设备
US10547854B2 (en) * 2016-05-13 2020-01-28 Qualcomm Incorporated Neighbor based signaling of intra prediction modes
US20170374369A1 (en) * 2016-06-24 2017-12-28 Mediatek Inc. Methods and Apparatuses of Decoder Side Intra Mode Derivation
CN116506606A (zh) * 2016-08-01 2023-07-28 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
CN110089115B (zh) * 2016-08-26 2021-07-06 夏普株式会社 图像解码装置、图像编码装置
US20190238840A1 (en) * 2016-09-30 2019-08-01 Lg Electronics Inc. Method for processing picture based on intra-prediction mode and apparatus for same
US10506228B2 (en) * 2016-10-04 2019-12-10 Qualcomm Incorporated Variable number of intra modes for video coding
CN117857784A (zh) * 2016-10-14 2024-04-09 世宗大学校产学协力团 影像编码/解码方法及比特流的传送方法
WO2018124627A1 (ko) * 2016-12-27 2018-07-05 삼성전자 주식회사 부호화 방법 및 그 장치, 복호화 방법 및 그 장치
CN110366850B (zh) * 2016-12-28 2023-06-20 Lg电子株式会社 基于帧内预测模式处理图像的方法和用于该方法的设备
CN117336475A (zh) * 2017-01-02 2024-01-02 Lx 半导体科技有限公司 图像编码/解码方法、图像数据的发送方法以及存储介质
KR102424239B1 (ko) * 2017-04-28 2022-07-25 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
US10742975B2 (en) * 2017-05-09 2020-08-11 Futurewei Technologies, Inc. Intra-prediction with multiple reference lines
US10602180B2 (en) * 2017-06-13 2020-03-24 Qualcomm Incorporated Motion vector prediction
CA3105474A1 (en) * 2017-07-03 2019-01-10 Industry-University Cooperation Foundation Hanyang University Method and device for decoding image by using partition unit including additional region
US11044471B2 (en) * 2017-07-28 2021-06-22 Electronics And Telecommunications Research Institute Image processing method, and image encoding/decoding method and device which use same
KR20240045374A (ko) * 2017-09-28 2024-04-05 삼성전자주식회사 부호화 방법 및 그 장치, 복호화 방법 및 그 장치
CN111373750A (zh) * 2017-10-24 2020-07-03 韦勒斯标准与技术协会公司 视频信号处理方法和装置
WO2019098758A1 (ko) * 2017-11-16 2019-05-23 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
WO2019125093A1 (ko) * 2017-12-22 2019-06-27 주식회사 윌러스표준기술연구소 비디오 신호 처리 방법 및 장치
WO2019172676A1 (ko) * 2018-03-08 2019-09-12 삼성전자 주식회사 비디오 복호화 방법 및 장치, 비디오 부호화 방법 및 장치
CN116567234A (zh) * 2018-04-01 2023-08-08 Oppo广东移动通信有限公司 使用帧内预测的图像编码/解码方法和装置
EP3562158A1 (en) * 2018-04-27 2019-10-30 InterDigital VC Holdings, Inc. Method and apparatus for combined intra prediction modes
KR101956756B1 (ko) * 2018-06-12 2019-03-11 광운대학교 산학협력단 성분 간 참조 기반의 비디오 신호 처리 방법 및 장치
US10638161B2 (en) * 2018-07-13 2020-04-28 Tencent America LLC Methods and apparatus for most probable mode derivation
CN112585964B (zh) * 2018-08-31 2023-06-06 寰发股份有限公司 图像和视频处理中产生mpm以进行帧内预测的方法和装置

Also Published As

Publication number Publication date
CN117998095A (zh) 2024-05-07
JP2021528888A (ja) 2021-10-21
KR20240042127A (ko) 2024-04-01
WO2020048463A1 (en) 2020-03-12
MX2022000585A (es) 2022-03-04
JP7039731B2 (ja) 2022-03-22
CN117896518A (zh) 2024-04-16
AU2019335453A1 (en) 2021-03-25
BR112020027043A2 (pt) 2021-03-30
US10972725B2 (en) 2021-04-06
CA3111038A1 (en) 2020-03-12
CN112640467A (zh) 2021-04-09
US20200389644A1 (en) 2020-12-10
EP4346211A2 (en) 2024-04-03
US20230319266A1 (en) 2023-10-05
EP3818715B1 (en) 2024-04-03
SG11202101742UA (en) 2021-03-30
CN117729327A (zh) 2024-03-19
CN113612995A (zh) 2021-11-05
CN113612995B (zh) 2022-09-09
AU2019335453B2 (en) 2023-06-15
US20210203927A1 (en) 2021-07-01
JP2022091799A (ja) 2022-06-21
EP3818715A4 (en) 2021-07-21
JP7419418B2 (ja) 2024-01-22
AU2023229601A1 (en) 2023-10-05
KR20220107089A (ko) 2022-08-01
EP3818715A1 (en) 2021-05-12
KR20210002663A (ko) 2021-01-08
CN112640467B (zh) 2023-10-20
JP2024045200A (ja) 2024-04-02
US11647182B2 (en) 2023-05-09

Similar Documents

Publication Publication Date Title
MX2020014195A (es) Método y aparato para intra predicción.
MX2018016071A (es) Codificacion de video con refinamiento de informacion de movimiento adaptativo.
MX2021011350A (es) Un codificador, un decodificador y metodos correspondientes de intra prediccion.
MX2021000504A (es) Candidatos de fusion con multi-hipotesis.
GB2574733A (en) Improved video bitstream coding
WO2019194950A3 (en) Method and apparatus for video coding
MX2021003167A (es) Un codificador de video, un decodificador de video y metodos correspondientes.
GB2564310A (en) Method and apparatus of video coding
MX2019011395A (es) Metodos y aparatos para codificacion y decodificacion de imagenes.
MY192584A (en) Apparatus for decoding video with intra prediction
MX338137B (es) Metodo para derivar un vector de movimiento predictivo temporal y aparato que usa el metodo.
GB201313294D0 (en) Video encoding and decoding
IN2014CN02202A (es)
IN2014CN02999A (es)
PH12021550276A1 (en) Video decoding method and apparatus, and video encoding method and apparatus
MX2021006028A (es) Se?alizacion para prediccion de linea de multi-referencia y prediccion de multi-hipotesis.
EP4300954A3 (en) Candidate signaling for reference picture list structures
MX2021008166A (es) Metodo y dispositivo de codificacion de video basados en prediccion intra que utilizan lista de mpm.
EP4283999A3 (en) Video decoding method, and video decoder
WO2019236362A3 (en) Method and apparatus for sub-block based temporal motion vector prediction
MX2022003220A (es) Metodos y aparatos para refinamiento de prediccion con flujo optico.
MX2021005253A (es) Codificacion o decodificacion de video utilizando extension de bloque para compensacion de movimiento de bloque superpuesto.
WO2020102173A3 (en) Method and apparatus for improved context design for prediction mode and coded block flag (cbf)
MX2021006390A (es) Codificador, decodificador y métodos correspondientes de la construcción de lista de modo más probable para bloques con predicción de multihipótesis.
MX2021007632A (es) Metodo para codificar imagen a base de intra prediccion usando la lista del modo mas probable (mpm) y aparato para el mismo.