BR0317966A - Definindo filtros de interpolação para ocultação de erros em uma imagem codificada - Google Patents

Definindo filtros de interpolação para ocultação de erros em uma imagem codificada

Info

Publication number
BR0317966A
BR0317966A BR0317966-4A BR0317966A BR0317966A BR 0317966 A BR0317966 A BR 0317966A BR 0317966 A BR0317966 A BR 0317966A BR 0317966 A BR0317966 A BR 0317966A
Authority
BR
Brazil
Prior art keywords
image
defining
filters
interpolation filter
tween
Prior art date
Application number
BR0317966-4A
Other languages
English (en)
Portuguese (pt)
Inventor
Cristina Gomila
Original Assignee
Thomson Licensing Sa
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 Thomson Licensing Sa filed Critical Thomson Licensing Sa
Publication of BR0317966A publication Critical patent/BR0317966A/pt

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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • H04N19/895—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder in combination with error concealment
    • 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
    • H04N19/50—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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
BR0317966-4A 2003-01-10 2003-07-10 Definindo filtros de interpolação para ocultação de erros em uma imagem codificada BR0317966A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US43918503P 2003-01-10 2003-01-10
PCT/US2003/021515 WO2004064406A1 (en) 2003-01-10 2003-07-10 Defining interpolation filters for error concealment in a coded image

Publications (1)

Publication Number Publication Date
BR0317966A true BR0317966A (pt) 2005-11-29

Family

ID=32713446

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0317966-4A BR0317966A (pt) 2003-01-10 2003-07-10 Definindo filtros de interpolação para ocultação de erros em uma imagem codificada

Country Status (9)

Country Link
US (1) US20060072676A1 (enExample)
EP (1) EP1645135A4 (enExample)
JP (1) JP4474288B2 (enExample)
KR (1) KR20050090451A (enExample)
CN (1) CN100584024C (enExample)
AU (1) AU2003248913A1 (enExample)
BR (1) BR0317966A (enExample)
MX (1) MXPA05007449A (enExample)
WO (1) WO2004064406A1 (enExample)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1569462A1 (fr) * 2004-02-13 2005-08-31 France Telecom Procédé de recherche de la direction de prédiction en codage vidéo intra-image
CA2573990A1 (en) * 2004-07-15 2006-02-23 Qualcomm Incorporated H.264 spatial error concealment based on the intra-prediction direction
US20060045190A1 (en) * 2004-09-02 2006-03-02 Sharp Laboratories Of America, Inc. Low-complexity error concealment for real-time video decoder
JP4559811B2 (ja) * 2004-09-30 2010-10-13 株式会社東芝 情報処理装置及び情報処理方法
DE102004059993B4 (de) 2004-10-15 2006-08-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen einer codierten Videosequenz unter Verwendung einer Zwischen-Schicht-Bewegungsdaten-Prädiktion sowie Computerprogramm und computerlesbares Medium
JP4722125B2 (ja) 2005-04-01 2011-07-13 パナソニック株式会社 画像復号化装置及び画像復号化方法
US9661376B2 (en) 2005-07-13 2017-05-23 Polycom, Inc. Video error concealment method
US9055298B2 (en) * 2005-07-15 2015-06-09 Qualcomm Incorporated Video encoding method enabling highly efficient partial decoding of H.264 and other transform coded information
KR100667808B1 (ko) * 2005-08-20 2007-01-11 삼성전자주식회사 영상의 인트라 예측 부호화, 복호화 방법 및 장치
KR100718135B1 (ko) * 2005-08-24 2007-05-14 삼성전자주식회사 멀티 포맷 코덱을 위한 영상 예측 장치 및 방법과 이를이용한 영상 부호화/복호화 장치 및 방법
KR100727972B1 (ko) * 2005-09-06 2007-06-14 삼성전자주식회사 영상의 인트라 예측 부호화, 복호화 방법 및 장치
KR100706720B1 (ko) * 2005-09-15 2007-04-12 한양대학교 산학협력단 방향성 보간을 이용한 공간적 에러은닉 방법
CN101310536B (zh) * 2005-09-27 2010-06-02 高通股份有限公司 启用对h.264和其它变换编码信息的高效部分解码的视频编码方法
JP4577778B2 (ja) * 2005-09-28 2010-11-10 株式会社Ｋｄｄｉ研究所 動画像の符号化および復号化方法
CA2631336A1 (en) * 2005-11-30 2007-06-07 Kabushiki Kaisha Toshiba Image encoding/image decoding method, image encoding/image decoding apparatus
KR100772390B1 (ko) * 2006-01-23 2007-11-01 삼성전자주식회사 방향 보간 방법 및 그 장치와, 그 보간 방법이 적용된부호화 및 복호화 방법과 그 장치 및 복호화 장치
WO2007091367A1 (ja) * 2006-02-06 2007-08-16 Matsushita Electric Industrial Co., Ltd. 画像復号装置および画像復号方法
US8238442B2 (en) * 2006-08-25 2012-08-07 Sony Computer Entertainment Inc. Methods and apparatus for concealing corrupted blocks of video data
KR101380843B1 (ko) * 2006-12-28 2014-04-07 삼성전자주식회사 인트라 예측을 통해 부호화된 블럭들을 포함하는압축영상에 대한 축소영상 생성방법 및 이를 적용한영상기기
JP2009094828A (ja) 2007-10-10 2009-04-30 Hitachi Ltd 画像符号化装置及び画像符号化方法、画像復号化装置及び画像復号化方法
EP2621172A3 (en) * 2007-10-16 2013-12-04 LG Electronics, Inc. A method and an apparatus for processing a video signal
KR101361005B1 (ko) 2008-06-24 2014-02-13 에스케이 텔레콤주식회사 인트라 예측 방법 및 장치와 그를 이용한 영상부호화/복호화 방법 및 장치
US8867854B2 (en) 2008-10-01 2014-10-21 Electronics And Telecommunications Research Institute Image encoder and decoder using undirectional prediction
KR101356448B1 (ko) 2008-10-01 2014-02-06 한국전자통신연구원 예측 모드를 이용한 복호화 장치
US8774541B2 (en) * 2008-11-05 2014-07-08 Sony Corporation Intra prediction with adaptive interpolation filtering for image compression
JP5238523B2 (ja) * 2009-01-13 2013-07-17 株式会社日立国際電気 動画像符号化装置、動画像復号化装置、および、動画像復号化方法
US8743970B2 (en) * 2009-04-13 2014-06-03 Freescale Semiconductor, Inc. Video decoding with error detection and concealment
JP5169978B2 (ja) * 2009-04-24 2013-03-27 ソニー株式会社 画像処理装置および方法
KR101545382B1 (ko) * 2010-01-08 2015-08-18 노키아 코포레이션 비디오 코딩을 위한 장치, 방법 및 컴퓨터 프로그램
KR101682147B1 (ko) * 2010-04-05 2016-12-05 삼성전자주식회사 변환 및 역변환에 기초한 보간 방법 및 장치
KR20110113561A (ko) 2010-04-09 2011-10-17 한국전자통신연구원 적응적인 필터를 이용한 인트라 예측 부호화/복호화 방법 및 그 장치
WO2011145862A2 (en) 2010-05-17 2011-11-24 Lg Electronics Inc. New intra prediction modes
CN102934441B (zh) * 2010-05-25 2015-09-23 Lg电子株式会社 新的平面预测模式
CN106067982A (zh) * 2010-06-07 2016-11-02 数码士有限公司 解码高分辨率图像的方法和装置
KR20110138098A (ko) * 2010-06-18 2011-12-26 삼성전자주식회사 영상 인트라 예측 방법 및 장치 및 그를 적용한 영상 디코딩 방법 및 장치
US9008175B2 (en) 2010-10-01 2015-04-14 Qualcomm Incorporated Intra smoothing filter for video coding
JP5645589B2 (ja) * 2010-10-18 2014-12-24 三菱電機株式会社 動画像符号化装置
KR101772046B1 (ko) * 2010-11-04 2017-08-29 에스케이텔레콤 주식회사 예측모드에 따라 필터링된 화소값으로 인트라예측을 수행하는 영상 부호화/복호화 방법 및 장치
US10142630B2 (en) * 2010-12-10 2018-11-27 Texas Instruments Incorporated Mode adaptive intra prediction smoothing in video coding
WO2012081895A1 (ko) 2010-12-13 2012-06-21 한국전자통신연구원 인트라 예측 방법 및 그 장치
KR102086145B1 (ko) * 2010-12-13 2020-03-09 한국전자통신연구원 인트라 예측 방법 및 그 장치
WO2012096622A1 (en) * 2011-01-14 2012-07-19 Telefonaktiebolaget Lm Ericsson (Publ) Methods and devices for intra coding of video
WO2012134046A2 (ko) * 2011-04-01 2012-10-04 주식회사 아이벡스피티홀딩스 동영상의 부호화 방법
PT2704435T (pt) * 2011-04-25 2019-04-24 Lg Electronics Inc Processo de intra-predição, e codificador e descodificador utilizando o mesmo
KR20120140181A (ko) * 2011-06-20 2012-12-28 한국전자통신연구원 화면내 예측 블록 경계 필터링을 이용한 부호화/복호화 방법 및 그 장치
US9131239B2 (en) * 2011-06-20 2015-09-08 Qualcomm Incorporated Unified merge mode and adaptive motion vector prediction mode candidates selection
KR101956284B1 (ko) * 2011-06-30 2019-03-08 엘지전자 주식회사 보간 방법 및 이를 이용한 예측 방법
KR102055451B1 (ko) * 2011-07-01 2019-12-13 엠앤케이홀딩스 주식회사 영상 복호화 장치 및 방법
US9516349B2 (en) 2011-07-12 2016-12-06 Futurewei Technologies, Inc. Pixel-based intra prediction for coding in HEVC
US9503750B2 (en) 2011-11-04 2016-11-22 Futurewei Technologies, Inc. Binarization of prediction residuals for lossless video coding
US10904551B2 (en) * 2013-04-05 2021-01-26 Texas Instruments Incorporated Video coding using intra block copy
JP2015185897A (ja) * 2014-03-20 2015-10-22 パナソニックＩｐマネジメント株式会社 画像符号化方法及び画像符号化装置
WO2015149699A1 (en) * 2014-04-01 2015-10-08 Mediatek Inc. Method of adaptive interpolation filtering in video coding
KR101582501B1 (ko) * 2014-06-13 2016-01-07 에스케이텔레콤 주식회사 인트라 예측 방법 및 장치와 그를 이용한 영상 부호화/복호화 방법 및 장치
KR101533434B1 (ko) * 2014-06-13 2015-07-03 에스케이텔레콤 주식회사 인트라 예측 방법 및 장치와 그를 이용한 영상 부호화/복호화 방법 및 장치
KR101534048B1 (ko) * 2014-06-13 2015-07-07 에스케이텔레콤 주식회사 인트라 예측 방법 및 장치와 그를 이용한 영상 부호화/복호화 방법 및 장치
US10574984B2 (en) 2015-09-10 2020-02-25 Lg Electronics Inc. Intra prediction method and device in video coding system
JP6669622B2 (ja) * 2016-09-21 2020-03-18 Kddi株式会社 動画像復号装置、動画像復号方法、動画像符号化装置、動画像符号化方法及びコンピュータ可読記録媒体
MX2021010874A (es) 2019-03-12 2021-10-22 Lg Electronics Inc Metodo y aparato de codificacion/decodificacion de imagen, y metodo para transmitir un flujo de bits.
CN113766246A (zh) * 2020-06-05 2021-12-07 Oppo广东移动通信有限公司 图像编码方法、图像解码方法及相关装置
CN113965764B (zh) * 2020-07-21 2023-04-07 Oppo广东移动通信有限公司 图像编码方法、图像解码方法及相关装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2263373B (en) * 1992-01-09 1995-05-24 Sony Broadcast & Communication Data error concealment
US5532837A (en) * 1992-12-18 1996-07-02 Matsushita Electric Industrial Co., Ltd. Digital video signal processing apparatus
US5621467A (en) * 1995-02-16 1997-04-15 Thomson Multimedia S.A. Temporal-spatial error concealment apparatus and method for video signal processors

Also Published As

Publication number Publication date
CN100584024C (zh) 2010-01-20
US20060072676A1 (en) 2006-04-06
EP1645135A4 (en) 2010-03-03
JP4474288B2 (ja) 2010-06-02
JP2006513635A (ja) 2006-04-20
CN1720747A (zh) 2006-01-11
EP1645135A1 (en) 2006-04-12
MXPA05007449A (es) 2005-09-12
AU2003248913A1 (en) 2004-08-10
KR20050090451A (ko) 2005-09-13
WO2004064406A1 (en) 2004-07-29

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B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

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B15K Others concerning applications: alteration of classification

Ipc: H04N 19/895 (2014.01), H04N 19/11 (2014.01), H04N