MX2021010159A - Metodo para codificar/decodificar se?al de imagen, y dispositivo para el mismo. - Google Patents

Metodo para codificar/decodificar se?al de imagen, y dispositivo para el mismo.

Info

Publication number
MX2021010159A
MX2021010159A MX2021010159A MX2021010159A MX2021010159A MX 2021010159 A MX2021010159 A MX 2021010159A MX 2021010159 A MX2021010159 A MX 2021010159A MX 2021010159 A MX2021010159 A MX 2021010159A MX 2021010159 A MX2021010159 A MX 2021010159A
Authority
MX
Mexico
Prior art keywords
current block
intra
bdpcm
flag
encoding
Prior art date
Application number
MX2021010159A
Other languages
English (en)
Inventor
Bae Keun Lee
Original Assignee
Apple 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 Apple Inc filed Critical Apple Inc
Publication of MX2021010159A publication Critical patent/MX2021010159A/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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/10—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
    • H04N19/50—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)

Abstract

La presente invención se refiere a un método de codificación de imagen de conformidad con la presente invención que comprende los pasos de: referirse a una primera bandera que indica sí se permite intra Modulación de Código de Pulso Delta a base de Bloque (BDPCM) señalada a través de una serie de parámetros de secuencia, para así determinar una segunda bandera que indica sí se aplica BDPCM intra a un bloque actual que es analizado; determinar sí la BDPCM intra se aplica al bloque actual con base en la segunda bandera; determinar un modo de BDPCM intra del bloque actual cuando se determina que se aplica BDPCM intra al bloque actual; y adquirir una muestra residual del bloque actual con base en el modo BDPCM intra.
MX2021010159A 2019-02-28 2020-02-27 Metodo para codificar/decodificar se?al de imagen, y dispositivo para el mismo. MX2021010159A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20190023615 2019-02-28
KR20190073785 2019-06-20
PCT/KR2020/002838 WO2020175938A1 (ko) 2019-02-28 2020-02-27 영상 신호 부호화/복호화 방법 및 이를 위한 장치

Publications (1)

Publication Number Publication Date
MX2021010159A true MX2021010159A (es) 2021-09-14

Family

ID=72240137

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2021010159A MX2021010159A (es) 2019-02-28 2020-02-27 Metodo para codificar/decodificar se?al de imagen, y dispositivo para el mismo.

Country Status (5)

Country Link
US (2) US11711534B2 (es)
KR (2) KR102608847B1 (es)
CN (1) CN112740677A (es)
MX (1) MX2021010159A (es)
WO (1) WO2020175938A1 (es)

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CN112740677A (zh) 2019-02-28 2021-04-30 株式会社 Xris 用于对图像信号进行编码/解码的方法及其装置
MX2021010562A (es) * 2019-03-05 2021-10-13 Fraunhofer Ges Forschung Seleccion de modelo de contexto impulsada en caso de uso para herramientas de codificacion de video hibridas.
JP7145793B2 (ja) * 2019-03-11 2022-10-03 Kddi株式会社 画像復号装置、画像復号方法及びプログラム
KR20210137058A (ko) * 2019-03-22 2021-11-17 엘지전자 주식회사 영상 코딩 시스템에서 인트라 예측 기반 영상 디코딩 방법 및 그 장치
BR112021020026A2 (pt) 2019-04-12 2021-12-07 Beijing Bytedance Network Tech Co Ltd Método para processamento vídeo, aparelho para processar de dados de vídeo, meio de armazenamento e meio de gravação legíveis por computador não transitórios
KR20210145757A (ko) 2019-04-16 2021-12-02 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 인트라 코딩 모드에서의 행렬 도출
CN113906753B (zh) 2019-04-24 2023-12-01 字节跳动有限公司 编解码视频的量化残差差分脉冲编解码调制表示的约束
US11368721B2 (en) * 2019-04-30 2022-06-21 Tencent America LLC Method and apparatus for interaction between intra prediction mode and block differential pulse-code modulation mode
WO2020221372A1 (en) * 2019-05-01 2020-11-05 Beijing Bytedance Network Technology Co., Ltd. Context coding for matrix-based intra prediction
CN113812150B (zh) 2019-05-01 2023-11-28 北京字节跳动网络技术有限公司 使用滤波的基于矩阵的帧内预测
CN113785568B (zh) * 2019-05-02 2024-03-08 字节跳动有限公司 变换跳过模式下的信令通知
JP7265040B2 (ja) 2019-05-13 2023-04-25 北京字節跳動網絡技術有限公司 変換スキップ・モードのブロック寸法設定
WO2020233664A1 (en) * 2019-05-22 2020-11-26 Beijing Bytedance Network Technology Co., Ltd. Sub-block based use of transform skip mode
CN114175660A (zh) * 2019-05-22 2022-03-11 Lg电子株式会社 使用bdpcm的图像解码方法及其装置
CN113875233B (zh) * 2019-05-22 2023-12-15 北京字节跳动网络技术有限公司 使用上采样的基于矩阵的帧内预测
CN114051735A (zh) 2019-05-31 2022-02-15 北京字节跳动网络技术有限公司 基于矩阵的帧内预测中的一步下采样过程
CN113906742A (zh) * 2019-06-03 2022-01-07 Lg电子株式会社 基于矩阵的帧内预测装置和方法
KR20220016833A (ko) 2019-06-05 2022-02-10 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 행렬 기반의 인트라 예측을 위한 컨텍스트 결정
EP4042689A4 (en) 2019-10-28 2023-06-07 Beijing Bytedance Network Technology Co., Ltd. SIGNALING AND SYNTAX ANALYSIS BASED ON A COLOR COMPONENT
US20230069984A1 (en) * 2021-08-24 2023-03-09 Tencent America LLC Hardware friendly design for intra mode coding
WO2023090932A1 (ko) * 2021-11-18 2023-05-25 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체

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KR101768173B1 (ko) * 2014-02-13 2017-08-16 한국전자통신연구원 영상 부호화에서의 화면 내 예측 생략 방법 및 장치
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CN116016910A (zh) * 2016-08-01 2023-04-25 韩国电子通信研究院 图像编码/解码方法
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Also Published As

Publication number Publication date
US11936895B2 (en) 2024-03-19
KR20230165189A (ko) 2023-12-05
US20240015317A1 (en) 2024-01-11
US20210306654A1 (en) 2021-09-30
CN112740677A (zh) 2021-04-30
KR102608847B1 (ko) 2023-12-04
KR20200105434A (ko) 2020-09-07
US11711534B2 (en) 2023-07-25
WO2020175938A1 (ko) 2020-09-03

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