MX2021010874A - Metodo y aparato de codificacion/decodificacion de imagen, y metodo para transmitir un flujo de bits. - Google Patents

Metodo y aparato de codificacion/decodificacion de imagen, y metodo para transmitir un flujo de bits.

Info

Publication number
MX2021010874A
MX2021010874A MX2021010874A MX2021010874A MX2021010874A MX 2021010874 A MX2021010874 A MX 2021010874A MX 2021010874 A MX2021010874 A MX 2021010874A MX 2021010874 A MX2021010874 A MX 2021010874A MX 2021010874 A MX2021010874 A MX 2021010874A
Authority
MX
Mexico
Prior art keywords
intra prediction
current block
prediction mode
basis
encoding
Prior art date
Application number
MX2021010874A
Other languages
English (en)
Inventor
Jin Heo
Ling Li
Original Assignee
Lg Electronics Inc
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 Lg Electronics Inc filed Critical Lg Electronics Inc
Publication of MX2021010874A publication Critical patent/MX2021010874A/es

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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
    • H04N19/10—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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/50—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
    • 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)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

La presente invención se refiere a un método de decodificación de imagen. El método de decodificación de imagen incluye obtener información del modo de intra predicción de un bloque actual a partir de un flujo de bits, determinar un modo de intra predicción del bloque actual basado en la información del modo de intra predicción y un modo de intra predicción de un bloque vecino localizado alrededor del bloque actual, derivar un valor de una primera bandera de filtro para uso para filtración de una muestra de referencia de intra predicción del bloque actual basado en parámetros de codificación para el bloque actual, seleccionar un filtro de interpolación que será usado para intra predicción del bloque actual basado en la primera bandera de filtro, y generar un bloque de intra predicción del bloque actual usando el filtro de interpolación seleccionado.
MX2021010874A 2019-03-12 2020-03-12 Metodo y aparato de codificacion/decodificacion de imagen, y metodo para transmitir un flujo de bits. MX2021010874A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962817542P 2019-03-12 2019-03-12
PCT/KR2020/003478 WO2020185018A1 (ko) 2019-03-12 2020-03-12 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법

Publications (1)

Publication Number Publication Date
MX2021010874A true MX2021010874A (es) 2021-10-22

Family

ID=72427860

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2021010874A MX2021010874A (es) 2019-03-12 2020-03-12 Metodo y aparato de codificacion/decodificacion de imagen, y metodo para transmitir un flujo de bits.

Country Status (6)

Country Link
US (1) US12088800B2 (es)
EP (1) EP3941047A4 (es)
KR (1) KR20210114054A (es)
CN (1) CN113632468B (es)
MX (1) MX2021010874A (es)
WO (1) WO2020185018A1 (es)

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* Cited by examiner, † Cited by third party
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CN114449265B (zh) * 2019-03-28 2023-07-07 华为技术有限公司 用于帧内平滑的方法和装置
CN113994703A (zh) * 2019-06-11 2022-01-28 索尼集团公司 图像处理装置和图像处理方法
US12069305B2 (en) * 2021-04-16 2024-08-20 Tencent America LLC Low memory design for multiple reference line selection scheme

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WO2004064406A1 (en) 2003-01-10 2004-07-29 Thomson Licensing S.A. Defining interpolation filters for error concealment in a coded image
US8774541B2 (en) 2008-11-05 2014-07-08 Sony Corporation Intra prediction with adaptive interpolation filtering for image compression
US10142630B2 (en) * 2010-12-10 2018-11-27 Texas Instruments Incorporated Mode adaptive intra prediction smoothing in video coding
EP2661882B1 (en) 2011-01-05 2015-06-24 Koninklijke Philips N.V. Video coding and decoding devices and methods preserving ppg relevant information
JP5869666B2 (ja) 2011-04-25 2016-02-24 エルジー エレクトロニクス インコーポレイティド イントラ予測方法とそれを利用した符号化器及び復号化器
KR20130050149A (ko) 2011-11-07 2013-05-15 오수미 인터 모드에서의 예측 블록 생성 방법
US9451254B2 (en) * 2013-07-19 2016-09-20 Qualcomm Incorporated Disabling intra prediction filtering
AU2014216056A1 (en) * 2014-08-25 2016-03-10 Canon Kabushiki Kaisha Method, apparatus and system for predicting a block of video samples
CN115134596A (zh) 2015-06-05 2022-09-30 杜比实验室特许公司 用于执行帧间预测的图像编解码方法、比特流存储方法
US11463689B2 (en) * 2015-06-18 2022-10-04 Qualcomm Incorporated Intra prediction and intra mode coding
WO2017030270A1 (ko) * 2015-08-17 2017-02-23 엘지전자(주) 인트라 예측 모드 기반 영상 처리 방법 및 이를 위한 장치
CN108028923B (zh) 2015-09-10 2021-08-20 Lg电子株式会社 视频编码系统中的帧内预测方法和设备
US10382781B2 (en) * 2016-09-28 2019-08-13 Qualcomm Incorporated Interpolation filters for intra prediction in video coding
CN110050466B (zh) * 2016-12-15 2021-11-19 华为技术有限公司 一种用于从码流中对视频的当前帧的块进行解码/编码的装置和方法
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MX2019011953A (es) 2017-05-31 2019-12-02 Lg Electronics Inc Metodo y dispositivo para realizar decodificacion de imagenes con base en intra-prediccion en sistema de codificacion de imágenes.
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CN118694973A (zh) * 2019-02-28 2024-09-24 数码士有限公司 基于帧内预测的视频信号处理方法和装置

Also Published As

Publication number Publication date
US12088800B2 (en) 2024-09-10
EP3941047A1 (en) 2022-01-19
CN113632468A (zh) 2021-11-09
WO2020185018A1 (ko) 2020-09-17
CN113632468B (zh) 2024-09-10
US20220182616A1 (en) 2022-06-09
EP3941047A4 (en) 2022-12-28
KR20210114054A (ko) 2021-09-17

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