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

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/11Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593Methods 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 (3) US11711534B2 (es)
KR (2) KR102608847B1 (es)
CN (1) CN112740677A (es)
MX (1) MX2021010159A (es)
WO (1) WO2020175938A1 (es)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10284844B1 (en) * 2018-07-02 2019-05-07 Tencent America LLC Method and apparatus for video coding
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
JP7377878B2 (ja) * 2019-03-05 2023-11-10 フラウンホーファー-ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン ハイブリッドビデオ符号化ツールのための使用事例駆動コンテキストモデル選択
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
JP7100194B2 (ja) * 2019-03-11 2022-07-12 日本放送協会 画像符号化装置、画像復号装置、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
KR20210145754A (ko) 2019-04-12 2021-12-02 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 행렬 기반 인트라 예측에서의 산출
CN113748676B (zh) 2019-04-16 2024-05-10 北京字节跳动网络技术有限公司 帧内编解码模式下的矩阵推导
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
WO2020221373A1 (en) 2019-05-01 2020-11-05 Beijing Bytedance Network Technology Co., Ltd. Matrix-based intra prediction using filtering
WO2020221372A1 (en) * 2019-05-01 2020-11-05 Beijing Bytedance Network Technology Co., Ltd. Context coding for matrix-based intra prediction
EP3949387A4 (en) * 2019-05-02 2022-05-18 ByteDance Inc. SIGNALING IN A TRANSFORM JUMP MODE
WO2020228717A1 (en) 2019-05-13 2020-11-19 Beijing Bytedance Network Technology Co., Ltd. Block dimension settings of transform skip mode
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
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
WO2020233664A1 (en) * 2019-05-22 2020-11-26 Beijing Bytedance Network Technology Co., Ltd. Sub-block based use of transform skip mode
JP2022535726A (ja) 2019-05-31 2022-08-10 北京字節跳動網絡技術有限公司 行列ベースイントラ予測における制約されたアップサンプリングプロセス
WO2020246805A1 (ko) * 2019-06-03 2020-12-10 엘지전자 주식회사 매트릭스 기반 인트라 예측 장치 및 방법
WO2020244610A1 (en) 2019-06-05 2020-12-10 Beijing Bytedance Network Technology Co., Ltd. Context determination for matrix-based intra prediction
WO2021083188A1 (en) 2019-10-28 2021-05-06 Beijing Bytedance Network Technology Co., Ltd. Syntax signaling and parsing based on colour component
US12120335B2 (en) * 2021-08-24 2024-10-15 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

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HUP0301368A3 (en) * 2003-05-20 2005-09-28 Amt Advanced Multimedia Techno Method and equipment for compressing motion picture data
WO2009067741A1 (en) * 2007-11-27 2009-06-04 Acouity Pty Ltd Bandwidth compression of parametric soundfield representations for transmission and storage
KR20140080884A (ko) 2012-12-20 2014-07-01 주식회사 팬택 계층적 비디오 코딩에서 색차 블록의 화면 내 예측 모드를 복호화하는 방법 및 이러한 방법을 사용하는 장치
US11323747B2 (en) * 2013-06-05 2022-05-03 Qualcomm Incorporated Residual differential pulse code modulation (DPCM) extensions and harmonization with transform skip, rotation, and scans
CA2923439C (en) 2013-10-14 2018-08-21 Mediatek Singapore Pte. Ltd. Method of residue differential pulse-code modulation for hevc range extension
KR101768173B1 (ko) 2014-02-13 2017-08-16 한국전자통신연구원 영상 부호화에서의 화면 내 예측 생략 방법 및 장치
WO2016195460A1 (ko) * 2015-06-05 2016-12-08 한양대학교 산학협력단 화면 내 예측에 대한 부호화/복호화 방법 및 장치
CN109644276B (zh) * 2016-08-01 2022-12-30 韩国电子通信研究院 图像编码/解码方法
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

Also Published As

Publication number Publication date
WO2020175938A1 (ko) 2020-09-03
KR20200105434A (ko) 2020-09-07
US20210306654A1 (en) 2021-09-30
KR20230165189A (ko) 2023-12-05
US11711534B2 (en) 2023-07-25
CN112740677A (zh) 2021-04-30
KR102608847B1 (ko) 2023-12-04
US11936895B2 (en) 2024-03-19
US20240015317A1 (en) 2024-01-11
US20240187629A1 (en) 2024-06-06

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