BR112021005523A2 - dispositivo de decodificação de imagem, método de decodificação de imagem, e programa de decodificação de imagem - Google Patents

dispositivo de decodificação de imagem, método de decodificação de imagem, e programa de decodificação de imagem Download PDF

Info

Publication number
BR112021005523A2
BR112021005523A2 BR112021005523-1A BR112021005523A BR112021005523A2 BR 112021005523 A2 BR112021005523 A2 BR 112021005523A2 BR 112021005523 A BR112021005523 A BR 112021005523A BR 112021005523 A2 BR112021005523 A2 BR 112021005523A2
Authority
BR
Brazil
Prior art keywords
prediction
mode
intraprediction
intraprediction mode
flag
Prior art date
Application number
BR112021005523-1A
Other languages
English (en)
Portuguese (pt)
Inventor
Hideki Takehara
Original Assignee
Jvckenwood Corporation
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 Jvckenwood Corporation filed Critical Jvckenwood Corporation
Publication of BR112021005523A2 publication Critical patent/BR112021005523A2/pt

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods 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
    • H04N19/107Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/134Methods 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
    • 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
    • H04N19/10Methods 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
    • H04N19/182Methods 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 pixel
    • 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
    • H04N19/189Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • H04N19/517Processing of motion vectors by encoding
    • H04N19/52Processing of motion vectors by encoding by predictive encoding
    • 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
    • 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

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)
BR112021005523-1A 2018-09-28 2019-09-13 dispositivo de decodificação de imagem, método de decodificação de imagem, e programa de decodificação de imagem BR112021005523A2 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2018183954 2018-09-28
JP2018-183954 2018-09-28
JP2019-166981 2019-09-13
PCT/JP2019/036141 WO2020066702A1 (ja) 2018-09-28 2019-09-13 画像復号装置、画像復号方法、及び画像復号プログラム
JP2019166981A JP6874804B2 (ja) 2018-09-28 2019-09-13 画像復号装置、画像復号方法、及び画像復号プログラム

Publications (1)

Publication Number Publication Date
BR112021005523A2 true BR112021005523A2 (pt) 2021-06-29

Family

ID=69951987

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021005523-1A BR112021005523A2 (pt) 2018-09-28 2019-09-13 dispositivo de decodificação de imagem, método de decodificação de imagem, e programa de decodificação de imagem

Country Status (10)

Country Link
US (1) US20210211651A1 (https=)
EP (1) EP3860122B1 (https=)
JP (5) JP6874804B2 (https=)
KR (1) KR102702123B1 (https=)
CN (2) CN112514378A (https=)
BR (1) BR112021005523A2 (https=)
MX (1) MX2021003467A (https=)
MY (1) MY199543A (https=)
RU (1) RU2768956C1 (https=)
WO (1) WO2020066702A1 (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2768956C1 (ru) * 2018-09-28 2022-03-25 ДжейВиСиКЕНВУД Корпорейшн Устройство декодирования изображения, способ декодирования изображения, устройство кодирования изображения и способ кодирования изображения
JP6974377B2 (ja) * 2019-03-11 2021-12-01 Kddi株式会社 画像復号装置、画像復号方法及びプログラム
CN111741299B (zh) * 2020-07-09 2022-03-25 腾讯科技(深圳)有限公司 帧内预测模式的选择方法、装置、设备及存储介质
JP7735065B2 (ja) * 2021-03-26 2025-09-08 シャープ株式会社 画像復号装置および画像符号化装置
JP7809108B2 (ja) * 2021-05-31 2026-01-30 シャープ株式会社 動画像復号装置および動画像符号化装置
WO2022260339A1 (ko) * 2021-06-08 2022-12-15 현대자동차주식회사 비디오 부호화/복호화 방법 및 장치
WO2023122969A1 (zh) * 2021-12-28 2023-07-06 Oppo广东移动通信有限公司 帧内预测方法、设备、系统、及存储介质
EP4648420A2 (en) * 2023-01-04 2025-11-12 LG Electronics Inc. Intra prediction-based image encoding/decoding method, device, and recording medium for storing bitstream

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110249741A1 (en) * 2010-04-09 2011-10-13 Jie Zhao Methods and Systems for Intra Prediction
US8902978B2 (en) * 2010-05-30 2014-12-02 Lg Electronics Inc. Enhanced intra prediction mode signaling
KR20140071507A (ko) 2010-08-17 2014-06-11 엠앤케이홀딩스 주식회사 예측 블록 생성 장치
US10136130B2 (en) * 2010-08-17 2018-11-20 M&K Holdings Inc. Apparatus for decoding an image
CA2937202C (en) * 2010-12-17 2019-11-26 Mitsubishi Electric Corporation Image coding device, image decoding device, image coding method, and image decoding method
PH12015501603B1 (en) * 2010-12-23 2023-12-06 Samsung Electronics Co Ltd Method and device for encoding intra prediction mode for image prediction unit, and method and device for decoding intra prediction mode for image prediction unit
AU2015202844B2 (en) * 2011-01-12 2016-03-17 Ntt Docomo, Inc. Image predict coding method, image predict coding device, image predict coding program, image predict decoding method, image predict decoding device, and image predict decoding program
US9860539B2 (en) * 2011-06-13 2018-01-02 Sun Patent Trust Image decoding method, image coding method, image decoding apparatus, image coding apparatus, and image coding and decoding apparatus
RU2660640C1 (ru) 2011-06-28 2018-07-06 Самсунг Электроникс Ко., Лтд. Способ и устройство для кодирования видео, а также способ и устройство для декодирования видео, сопровождаемого внутренним прогнозированием
JP2013141075A (ja) * 2011-12-28 2013-07-18 Jvc Kenwood Corp 画像符号化装置、画像符号化方法及び画像符号化プログラム
KR101654446B1 (ko) * 2012-01-13 2016-09-05 샤프 가부시키가이샤 화상 복호 장치, 화상 부호화 장치 및 부호화 데이터의 데이터 구조
KR20180085714A (ko) * 2015-12-17 2018-07-27 삼성전자주식회사 머지 후보 리스트를 이용한 비디오 복호화 방법 및 비디오 복호화 장치
JP2019519972A (ja) * 2016-05-05 2019-07-11 ヴィド スケール インコーポレイテッド イントラコーディングのための制御点ベースのイントラ方向表現
WO2017192995A1 (en) * 2016-05-06 2017-11-09 Vid Scale, Inc. Method and system for decoder-side intra mode derivation for block-based video coding
US10547854B2 (en) * 2016-05-13 2020-01-28 Qualcomm Incorporated Neighbor based signaling of intra prediction modes
US10230961B2 (en) * 2016-06-03 2019-03-12 Mediatek Inc. Method and apparatus for template-based intra prediction in image and video coding
EP3910954A1 (en) * 2016-08-26 2021-11-17 SHARP Kabushiki Kaisha Image decoding apparatus, image coding apparatus
WO2018066863A1 (ko) * 2016-10-04 2018-04-12 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
US10506228B2 (en) * 2016-10-04 2019-12-10 Qualcomm Incorporated Variable number of intra modes for video coding
JP2019216294A (ja) * 2016-10-14 2019-12-19 シャープ株式会社 エントロピー復号装置、エントロピー符号化装置、画像復号装置および画像符号化装置
US11039130B2 (en) * 2016-10-28 2021-06-15 Electronics And Telecommunications Research Institute Video encoding/decoding method and apparatus, and recording medium in which bit stream is stored
US10742975B2 (en) 2017-05-09 2020-08-11 Futurewei Technologies, Inc. Intra-prediction with multiple reference lines
RU2768956C1 (ru) * 2018-09-28 2022-03-25 ДжейВиСиКЕНВУД Корпорейшн Устройство декодирования изображения, способ декодирования изображения, устройство кодирования изображения и способ кодирования изображения

Also Published As

Publication number Publication date
RU2768956C1 (ru) 2022-03-25
US20210211651A1 (en) 2021-07-08
JP2020058025A (ja) 2020-04-09
EP3860122B1 (en) 2024-03-27
KR102702123B1 (ko) 2024-09-02
CN112887719A (zh) 2021-06-01
JP7160135B2 (ja) 2022-10-25
EP3860122A1 (en) 2021-08-04
JP2022188243A (ja) 2022-12-20
MY199543A (en) 2023-11-06
CN112514378A (zh) 2021-03-16
EP3860122A4 (en) 2021-12-01
JP7666709B2 (ja) 2025-04-22
JP2024109817A (ja) 2024-08-14
JP2021114781A (ja) 2021-08-05
JP6874804B2 (ja) 2021-05-19
JP7827189B2 (ja) 2026-03-10
WO2020066702A1 (ja) 2020-04-02
JP7494886B2 (ja) 2024-06-04
CN112887719B (zh) 2022-03-15
JP2025102946A (ja) 2025-07-08
KR20210022755A (ko) 2021-03-03
MX2021003467A (es) 2021-06-18

Similar Documents

Publication Publication Date Title
BR112021005523A2 (pt) dispositivo de decodificação de imagem, método de decodificação de imagem, e programa de decodificação de imagem
US12069277B2 (en) Method and apparatus for processing a video signal
ES2699749B2 (es) Método y aparato para procesar una señal de vídeo
ES2699974T3 (es) Dispositivo de decodificación de desplazamiento, dispositivo de codificación de desplazamiento, dispositivo de filtro de imagen y estructura de datos
ES2734574T3 (es) Modo avanzado de fusión/salto y modo avanzado de predicción de vector de movimiento (AMVP) para vídeo 3D
BR112014016922B1 (pt) Dispositivo e método de codificação de representação em movimento e dispositivo e método de decodificação de representação em movimento
ES2800551A2 (es) Método y aparato para tratar una señal de vídeo
BR112012015001B1 (pt) Método em um decodificador de vídeo para decodificar informação, disposição em um decodificador de vídeo, meio não transitório legível por computador para controlar um decodificador de vídeo, método em um codificador de vídeo para codificar informação, disposição em um codificador de vídeo, e, meio não transitório legível por computador para controlar um codificador de vídeo
BR112019021593A2 (pt) Método e dispositivo para codificação e decodificação entrópica de sinais de vídeo
KR20170069917A (ko) 인트라 스킵 모드의 예측 방법을 나타내는 정보의 부호화 방법 및 장치, 복호화 방법 및 장치
US20140098865A1 (en) Device, method, and program for picture coding, and device, method, and program for picture decoding
JP2013145971A (ja) 画像復号装置、画像復号方法及び画像復号プログラム
JPWO2020059051A1 (ja) 映像符号化装置、映像符号化方法、映像符号化プログラム、映像復号装置、映像復号方法、及び映像復号プログラム

Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]