MX2021005855A - Metodo de prediccion de componentes de imagen, codificador, descodificador y medio de almacenamiento. - Google Patents

Metodo de prediccion de componentes de imagen, codificador, descodificador y medio de almacenamiento.

Info

Publication number
MX2021005855A
MX2021005855A MX2021005855A MX2021005855A MX2021005855A MX 2021005855 A MX2021005855 A MX 2021005855A MX 2021005855 A MX2021005855 A MX 2021005855A MX 2021005855 A MX2021005855 A MX 2021005855A MX 2021005855 A MX2021005855 A MX 2021005855A
Authority
MX
Mexico
Prior art keywords
current block
mip
decoder
encoder
prediction
Prior art date
Application number
MX2021005855A
Other languages
English (en)
Inventor
Wei Zhang
Junyan Huo
Yanzhuo Ma
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 MX2021005855A publication Critical patent/MX2021005855A/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
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/16—Matrix or vector computation, e.g. matrix-matrix or matrix-vector multiplication, matrix factorization
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F5/00—Methods or arrangements for data conversion without changing the order or content of the data handled
    • G06F5/01—Methods or arrangements for data conversion without changing the order or content of the data handled for shifting, e.g. justifying, scaling, normalising
    • 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
    • H04N19/132—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
    • H04N19/186—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
    • H04N19/42—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Data Mining & Analysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Computational Mathematics (AREA)
  • Algebra (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • Computing Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

En modalidades de la presente invención se describen un método de predicción de componentes de imagen, un codificador, un descodificador y un medio de almacenamiento; el método comprende: determinar parámetros de predicción para un bloque actual, en donde los parámetros de predicción incluyen un parámetro de modo de predicción y un parámetro de tamaño del bloque actual; si el parámetro del modo de predicción indica que se va a utilizar un modo de predicción intra (MIP) basado en la matriz para determinar un valor de predicción intra del bloque actual, determinar una matriz de ponderación de MIP del bloque actual, un factor de desplazamiento del bloque actual y una matriz de muestra de entrada de MIP del bloque actual; y determinar un valor de predicción intra del bloque actual según la matriz de ponderación de MIP, el factor de desplazamiento y la matriz de muestra de entrada de MIP.
MX2021005855A 2019-07-10 2020-05-15 Metodo de prediccion de componentes de imagen, codificador, descodificador y medio de almacenamiento. MX2021005855A (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201962872488P 2019-07-10 2019-07-10
US201962872830P 2019-07-11 2019-07-11
US201962873170P 2019-07-11 2019-07-11
PCT/CN2020/090688 WO2021004155A1 (zh) 2019-07-10 2020-05-15 图像分量预测方法、编码器、解码器以及存储介质

Publications (1)

Publication Number Publication Date
MX2021005855A true MX2021005855A (es) 2021-07-15

Family

ID=74115008

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2021005855A MX2021005855A (es) 2019-07-10 2020-05-15 Metodo de prediccion de componentes de imagen, codificador, descodificador y medio de almacenamiento.

Country Status (14)

Country Link
US (5) US11509901B2 (es)
EP (1) EP3817390A4 (es)
JP (1) JP2022539937A (es)
KR (1) KR20220030918A (es)
CN (4) CN116389724A (es)
AU (1) AU2020310350A1 (es)
BR (1) BR112021005760A2 (es)
CA (1) CA3113740A1 (es)
IL (1) IL281619A (es)
MX (1) MX2021005855A (es)
PH (1) PH12021550522A1 (es)
SG (1) SG11202102925XA (es)
WO (1) WO2021004155A1 (es)
ZA (1) ZA202101632B (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220013941A (ko) * 2019-05-10 2022-02-04 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 행렬 기반 인트라 예측
EP3984229A4 (en) * 2019-06-14 2022-07-06 Telefonaktiebolaget Lm Ericsson (Publ) SIMPLIFIED SUB-SAMPLING FOR MATRIX-BASED INTRA PREDICTION
CN114342372A (zh) * 2019-06-19 2022-04-12 韩国电子通信研究院 帧内预测模式、以及熵编解码方法和装置
JP7444570B2 (ja) 2019-09-20 2024-03-06 シャープ株式会社 動画像復号装置、動画像符号化装置、動画像復号方法および動画像符号化方法

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6728313B1 (en) 1998-01-08 2004-04-27 Intel Corporation Method and apparatus for performing MPEG II dequantization and IDCT
CN100405848C (zh) * 2005-09-16 2008-07-23 宁波大学 一种用于视频图像编码过程中的量化方法
US8065037B2 (en) * 2007-08-07 2011-11-22 Board Of Regents Of The Nevada System Of Higher Education, On Behalf Of The University Of Nevada, Reno Control method and system for hydraulic machines employing a dynamic joint motion model
KR20110065092A (ko) 2009-12-09 2011-06-15 삼성전자주식회사 회전 변환을 이용한 영상 부호화, 복호화 방법 및 장치
KR101279507B1 (ko) * 2009-12-15 2013-06-28 한국전자통신연구원 병렬 처리 기반 파이프라인 복호화 장치 및 방법
KR20120086232A (ko) * 2011-01-25 2012-08-02 (주)휴맥스 율-왜곡 최적화를 위한 영상 부호화/복호화 방법 및 이를 수행하는 장치
BR122020008881B1 (pt) * 2010-07-15 2021-08-10 Kabushiki Kaisha Toshiba Métodos de codificação e de decodificação de imagem
US9258573B2 (en) * 2010-12-07 2016-02-09 Panasonic Intellectual Property Corporation Of America Pixel adaptive intra smoothing
CN102595112B (zh) * 2011-01-12 2014-02-19 北京大学 视频编码中编码和重建图像块的方法
MX348562B (es) 2011-02-10 2017-06-20 Velos Media Int Ltd Dispositivo de procesamiento de imagenes y metodo de procesamiento de imagenes.
WO2012134046A2 (ko) * 2011-04-01 2012-10-04 주식회사 아이벡스피티홀딩스 동영상의 부호화 방법
US20130101033A1 (en) 2011-10-14 2013-04-25 Qualcomm Incorporated Coding non-symmetric distributions of data
AU2012200319B2 (en) * 2012-01-19 2015-11-26 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding the significance map for residual coefficients of a transform unit
CN104685878B (zh) * 2012-09-24 2018-11-30 华为技术有限公司 具有颜色空间缩放性的视频压缩
US20170019678A1 (en) * 2014-03-14 2017-01-19 Sharp Kabushiki Kaisha Video compression with color space scalability
JP2015231091A (ja) * 2014-06-04 2015-12-21 株式会社日立製作所 通信システム、ネットワーク装置及び通信制御方法
CN115134609A (zh) * 2015-06-11 2022-09-30 杜比实验室特许公司 使用自适应去块滤波编码和解码图像的方法及其装置
US20180332292A1 (en) * 2015-11-18 2018-11-15 Mediatek Inc. Method and apparatus for intra prediction mode using intra prediction filter in video and image compression
CN105516728B (zh) * 2015-12-15 2019-06-28 华中科技大学 一种H.265/HEVC中8x8子宏块的并行帧内预测方法
US10694179B2 (en) 2016-01-12 2020-06-23 Telefonaktiebolaget Lm Ericsson (Publ) Video coding using hybrid intra prediction
WO2017135692A1 (ko) * 2016-02-02 2017-08-10 엘지전자(주) 픽셀 순환 코딩과 변환 코딩의 결합에 기초하여 비디오 신호를 처리하는 방법 및 장치
GB2552323B (en) 2016-07-18 2020-04-29 Imagination Tech Ltd Mip map compression
US10986363B2 (en) * 2016-09-14 2021-04-20 Beamr Imaging Ltd. Method of pre-processing of video information for optimized video encoding
US11381808B2 (en) * 2019-04-25 2022-07-05 Hfi Innovation Inc. Method and apparatus of matrix based intra prediction in image and video processing
US11277637B2 (en) * 2019-05-09 2022-03-15 Qualcomm Incorporated Reference sampling for matrix intra prediction mode
US11252410B2 (en) * 2019-06-11 2022-02-15 Tencent America LLC Method and apparatus for video coding
WO2020249633A1 (en) * 2019-06-14 2020-12-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Coding of intra-prediction modes
WO2020256599A1 (en) 2019-06-21 2020-12-24 Huawei Technologies Co., Ltd. Method and apparatus of quantizing coefficients for matrix-based intra prediction technique
US11985306B2 (en) * 2019-07-22 2024-05-14 Interdigital Madison Patent Holdings, Sas Method and apparatus for video encoding and decoding with matrix based intra-prediction
BR112021008833A2 (pt) 2019-09-24 2022-04-12 Guangdong Oppo Mobile Telecommunications Corp Ltd Método de codificação de foto aplicável a um codificador, método de decodificação de foto aplicável a um decodificador, codificador e decodificador
CN111050183B (zh) 2019-12-13 2022-04-19 浙江大华技术股份有限公司 一种帧内预测方法、编码器及存储介质

Also Published As

Publication number Publication date
CN113225562A (zh) 2021-08-06
US11509901B2 (en) 2022-11-22
US11909979B2 (en) 2024-02-20
KR20220030918A (ko) 2022-03-11
EP3817390A4 (en) 2021-09-29
US20240114142A1 (en) 2024-04-04
SG11202102925XA (en) 2021-04-29
EP3817390A1 (en) 2021-05-05
US11930181B2 (en) 2024-03-12
AU2020310350A1 (en) 2021-04-22
CA3113740A1 (en) 2021-01-14
JP2022539937A (ja) 2022-09-14
CN113225562B (zh) 2023-05-30
CN116389724A (zh) 2023-07-04
IL281619A (en) 2021-05-31
US20230015739A1 (en) 2023-01-19
US20210203941A1 (en) 2021-07-01
US20240163445A1 (en) 2024-05-16
US20230013677A1 (en) 2023-01-19
BR112021005760A2 (pt) 2021-06-29
CN112655215A (zh) 2021-04-13
ZA202101632B (en) 2022-08-31
WO2021004155A1 (zh) 2021-01-14
PH12021550522A1 (en) 2022-02-21
CN116389725A (zh) 2023-07-04

Similar Documents

Publication Publication Date Title
MX2021005855A (es) Metodo de prediccion de componentes de imagen, codificador, descodificador y medio de almacenamiento.
AU2020202363B2 (en) Chroma quantization in video coding
MX2022003131A (es) Combinacion de matriz para intraprediccion ponderada por matriz en codificacion de video.
ZA202107451B (en) Chroma coding mode determination based on matrix-based intra prediction
MX2021009788A (es) Seleccion de muestra colindante para intraprediccion.
EP2938069B1 (en) Depth-image decoding method and apparatus
JP2016504845A5 (es)
MX2021003166A (es) Aparato y metodo para cuantificacion inversa.
MX2019003553A (es) Metodo de codificacion de video, metodo de decodificacion de video y terminal.
WO2015086718A3 (en) Method and apparatus for encoding or decoding a palette in palette coding mode
MX2021010980A (es) Procesamiento de ponderacion mejorado de intra-interprediccion combinadas.
JP2018521539A5 (es)
EP4250737A3 (en) Improved intra prediction in video coding
JP2017520158A5 (es)
WO2010041855A3 (en) A method and an apparatus for processing a video signal
CN110225343B (zh) 一种视频编码的码率控制方法及装置
PH12021550517A1 (en) Image encoding method, image decoding method, encoder, decoder and storage medium
US10368071B2 (en) Encoding data arrays
RU2013154110A (ru) Способ кодирования изображений, способ декодирования изображений, устройство кодирования изображений, устройство декодирования изображений и устройство кодирования-декодирования изображений
CN103260018A (zh) 帧内图像预测编解码方法及视频编解码器
MX2021006936A (es) Metodo y aparato para desbloquear una imagen.
JP2015532061A5 (es)
JP2014241579A (ja) 映像圧縮装置
WO2020061147A8 (en) Method and apparatus for video encoding and decoding using bi-prediction
MX2021012983A (es) Un codificador, un decodificador y metodos correspondientes relacionados con modo de intra-prediccion.