BR0317962A - Aparelho decodificador e método para suavizar artefatos criados durante ocultação de erro - Google Patents

Aparelho decodificador e método para suavizar artefatos criados durante ocultação de erro

Info

Publication number
BR0317962A
BR0317962A BR0317962-1A BR0317962A BR0317962A BR 0317962 A BR0317962 A BR 0317962A BR 0317962 A BR0317962 A BR 0317962A BR 0317962 A BR0317962 A BR 0317962A
Authority
BR
Brazil
Prior art keywords
decoder
error
created during
stage
hiding
Prior art date
Application number
BR0317962-1A
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 BR0317962A publication Critical patent/BR0317962A/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
    • H04N19/10—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
    • H04N19/134—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
    • H04N19/134—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
    • H04N19/164—Feedback from the receiver or from the transmission channel
    • H04N19/166—Feedback from the receiver or from the transmission channel concerning the amount of transmission errors, e.g. bit error rate [BER]
    • 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
    • H04N19/10—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
    • H04N19/182—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 a pixel
    • 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
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • 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
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • 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

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)
  • Error Detection And Correction (AREA)
BR0317962-1A 2003-01-10 2003-07-09 Aparelho decodificador e método para suavizar artefatos criados durante ocultação de erro BR0317962A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US43931203P 2003-01-10 2003-01-10
PCT/US2003/021329 WO2004064396A1 (en) 2003-01-10 2003-07-09 Decoder apparatus and method for smoothing artifacts created during error concealment

Publications (1)

Publication Number Publication Date
BR0317962A true BR0317962A (pt) 2005-11-29

Family

ID=32713462

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0317962-1A BR0317962A (pt) 2003-01-10 2003-07-09 Aparelho decodificador e método para suavizar artefatos criados durante ocultação de erro

Country Status (9)

Country Link
US (1) US20060051068A1 (enExample)
EP (1) EP1582061A4 (enExample)
JP (1) JP2006513633A (enExample)
KR (1) KR100970089B1 (enExample)
CN (1) CN100446560C (enExample)
AU (1) AU2003248858A1 (enExample)
BR (1) BR0317962A (enExample)
MX (1) MXPA05007447A (enExample)
WO (1) WO2004064396A1 (enExample)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100941123B1 (ko) * 2003-10-09 2010-02-10 톰슨 라이센싱 에러 은닉을 위한 직접 모드 도출 프로세스
KR100531895B1 (ko) * 2004-02-26 2005-11-29 엘지전자 주식회사 이동통신 시스템에서의 영상 블럭 오류 은닉 장치 및 방법
KR100679035B1 (ko) * 2005-01-04 2007-02-06 삼성전자주식회사 인트라 ｂｌ 모드를 고려한 디블록 필터링 방법, 및 상기방법을 이용하는 다 계층 비디오 인코더/디코더
JP4570081B2 (ja) * 2005-01-11 2010-10-27 Ｋｄｄｉ株式会社 動画像エラー隠蔽方法および装置
US20060233253A1 (en) * 2005-03-10 2006-10-19 Qualcomm Incorporated Interpolated frame deblocking operation for frame rate up conversion applications
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
KR101012624B1 (ko) 2005-05-11 2011-02-09 퀄컴 인코포레이티드 통합 에러 은폐 프레임워크를 위한 방법 및 장치
JP4672431B2 (ja) * 2005-05-13 2011-04-20 パナソニック株式会社 フィルタ特性異常隠蔽処理装置
WO2006134525A1 (en) * 2005-06-17 2006-12-21 Koninklijke Philips Electronics N.V. Coding and decoding method and device for improving video error concealment
KR100678958B1 (ko) * 2005-07-29 2007-02-06 삼성전자주식회사 인트라 ｂｌ 모드를 고려한 디블록 필터링 방법, 및 상기방법을 이용하는 다 계층 비디오 인코더/디코더
US7916796B2 (en) * 2005-10-19 2011-03-29 Freescale Semiconductor, Inc. Region clustering based error concealment for video data
US8213495B2 (en) 2006-02-06 2012-07-03 Panasonic Corporation Picture decoding method and picture decoding apparatus
CN101336550B (zh) * 2006-02-06 2011-06-15 松下电器产业株式会社 图像解码装置和图像解码方法
JP4949010B2 (ja) * 2006-02-06 2012-06-06 パナソニック株式会社 画像復号化方法及び画像復号化装置
JP2008005197A (ja) * 2006-06-22 2008-01-10 Toshiba Corp デコード装置およびデコード方法
JP4747975B2 (ja) * 2006-07-14 2011-08-17 ソニー株式会社 画像処理装置および方法、プログラム、並びに、記録媒体
US8238442B2 (en) * 2006-08-25 2012-08-07 Sony Computer Entertainment Inc. Methods and apparatus for concealing corrupted blocks of video data
US8509313B2 (en) * 2006-10-10 2013-08-13 Texas Instruments Incorporated Video error concealment
KR101291193B1 (ko) 2006-11-30 2013-07-31 삼성전자주식회사 프레임 오류은닉방법
US8315466B2 (en) * 2006-12-22 2012-11-20 Qualcomm Incorporated Decoder-side region of interest video processing
US8315709B2 (en) 2007-03-26 2012-11-20 Medtronic, Inc. System and method for smoothing sampled digital signals
KR101086435B1 (ko) 2007-03-29 2011-11-25 삼성전자주식회사 영상 데이터 스트림의 에러 검출 방법 및 그 장치
JP2008263529A (ja) * 2007-04-13 2008-10-30 Sony Corp 符号化装置、符号化方法、符号化方法のプログラム及び符号化方法のプログラムを記録した記録媒体
KR101420098B1 (ko) * 2007-06-19 2014-07-17 삼성전자주식회사 영상의 공간적 에러 은닉 방법 및 장치
US8913670B2 (en) * 2007-08-21 2014-12-16 Blackberry Limited System and method for providing dynamic deblocking filtering on a mobile device
JP4410277B2 (ja) * 2007-08-28 2010-02-03 富士通株式会社 半導体装置、および半導体装置の制御方法
US8532199B2 (en) * 2008-01-24 2013-09-10 Panasonic Corporation Dynamic image compression device
KR101394209B1 (ko) * 2008-02-13 2014-05-15 삼성전자주식회사 영상의 인트라 예측 부호화 방법
BRPI0915971A2 (pt) * 2008-07-25 2019-02-26 Sony Corp aparelho e método de processamento de imagem
EP2152009A1 (en) * 2008-08-06 2010-02-10 Thomson Licensing Method for predicting a lost or damaged block of an enhanced spatial layer frame and SVC-decoder adapted therefore
CA2684678A1 (en) * 2009-11-03 2011-05-03 Research In Motion Limited System and method for dynamic post-processing on a mobile device
FR2952497B1 (fr) * 2009-11-09 2012-11-16 Canon Kk Procede de codage et de decodage d'un flux d'images; dispositifs associes
US8976856B2 (en) * 2010-09-30 2015-03-10 Apple Inc. Optimized deblocking filters
US9270993B2 (en) 2012-09-10 2016-02-23 Apple Inc. Video deblocking filter strength derivation
CN105659602B (zh) 2013-10-14 2019-10-08 微软技术许可有限责任公司 用于视频和图像编码的帧内块复制预测模式的编码器侧选项
RU2654129C2 (ru) 2013-10-14 2018-05-16 МАЙКРОСОФТ ТЕКНОЛОДЖИ ЛАЙСЕНСИНГ, ЭлЭлСи Функциональные возможности режима внутреннего предсказания с блочным копированием для кодирования и декодирования видео и изображений
RU2669005C2 (ru) 2014-01-03 2018-10-05 МАЙКРОСОФТ ТЕКНОЛОДЖИ ЛАЙСЕНСИНГ, ЭлЭлСи Предсказание вектора блока в кодировании/декодировании видео и изображений
US10390034B2 (en) 2014-01-03 2019-08-20 Microsoft Technology Licensing, Llc Innovations in block vector prediction and estimation of reconstructed sample values within an overlap area
US11284103B2 (en) * 2014-01-17 2022-03-22 Microsoft Technology Licensing, Llc Intra block copy prediction with asymmetric partitions and encoder-side search patterns, search ranges and approaches to partitioning
KR102401946B1 (ko) 2014-03-04 2022-05-24 마이크로소프트 테크놀로지 라이센싱, 엘엘씨 인트라 블록 카피 예측에서의 스킵 모드 및 블록 플립핑
KR102311815B1 (ko) 2014-06-19 2021-10-13 마이크로소프트 테크놀로지 라이센싱, 엘엘씨 통합된 인트라 블록 카피 및 인터 예측 모드
JP6392572B2 (ja) * 2014-07-22 2018-09-19 ルネサスエレクトロニクス株式会社 画像受信装置、画像伝送システムおよび画像受信方法
JP2017535145A (ja) 2014-09-30 2017-11-24 マイクロソフト テクノロジー ライセンシング，エルエルシー 波面並列処理が可能にされた場合のピクチャ内予測モードに関する規則
KR102379196B1 (ko) * 2017-05-31 2022-03-28 삼성전자주식회사 처리 장치들 및 그 제어 방법들
US10986349B2 (en) 2017-12-29 2021-04-20 Microsoft Technology Licensing, Llc Constraints on locations of reference blocks for intra block copy prediction
US10784988B2 (en) 2018-12-21 2020-09-22 Microsoft Technology Licensing, Llc Conditional forward error correction for network data
US10803876B2 (en) * 2018-12-21 2020-10-13 Microsoft Technology Licensing, Llc Combined forward and backward extrapolation of lost network data
CN109859126B (zh) * 2019-01-17 2021-02-02 浙江大华技术股份有限公司 一种视频降噪方法、装置、电子设备及存储介质
CN113906763B (zh) 2019-05-05 2024-01-12 北京字节跳动网络技术有限公司 用于视频编解码的色度去方块协调
WO2021043165A1 (en) * 2019-09-02 2021-03-11 Beijing Bytedance Network Technology Co., Ltd. Chroma deblocking harmonization for video coding

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5337088A (en) * 1991-04-18 1994-08-09 Matsushita Electric Industrial Co. Ltd. Method of correcting an image signal decoded in block units
GB2316570B (en) * 1993-04-30 1998-04-08 Samsung Electronics Co Ltd Digital signal processing system
US5621467A (en) * 1995-02-16 1997-04-15 Thomson Multimedia S.A. Temporal-spatial error concealment apparatus and method for video signal processors
JP4054391B2 (ja) * 1995-12-28 2008-02-27 キヤノン株式会社 映像復号化装置及び映像伝送システム
JP3297293B2 (ja) * 1996-03-07 2002-07-02 三菱電機株式会社 動画像復号方法および動画像復号装置
JPH10271331A (ja) * 1997-03-26 1998-10-09 Oki Data:Kk 画像処理方法及びその装置
FI117534B (fi) * 2000-01-21 2006-11-15 Nokia Corp Menetelmä digitaalisten kuvien suodattamiseksi ja suodatin
CN1318904A (zh) * 2001-03-13 2001-10-24 北京阜国数字技术有限公司 一种实用的基于小波变换的声音编解码器
JP2003032686A (ja) * 2001-07-17 2003-01-31 Lsi Systems:Kk 復号装置、復号方法およびその方法をコンピュータに実行させるプログラム
US6963613B2 (en) * 2002-04-01 2005-11-08 Broadcom Corporation Method of communicating between modules in a decoding system
US6907079B2 (en) * 2002-05-01 2005-06-14 Thomson Licensing S.A. Deblocking filter conditioned on pixel brightness

Also Published As

Publication number Publication date
KR100970089B1 (ko) 2010-07-16
EP1582061A1 (en) 2005-10-05
CN1720729A (zh) 2006-01-11
AU2003248858A1 (en) 2004-08-10
WO2004064396A1 (en) 2004-07-29
KR20050098242A (ko) 2005-10-11
JP2006513633A (ja) 2006-04-20
CN100446560C (zh) 2008-12-24
EP1582061A4 (en) 2010-09-22
MXPA05007447A (es) 2005-09-12
US20060051068A1 (en) 2006-03-09

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