KR100220678B1 - 블록 단위 부호화 장치로부터 전송된 영상신호에서의 채널 에러 정정 방법 - Google Patents

블록 단위 부호화 장치로부터 전송된 영상신호에서의 채널 에러 정정 방법 Download PDF

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Publication number
KR100220678B1
KR100220678B1 KR1019950064313A KR19950064313A KR100220678B1 KR 100220678 B1 KR100220678 B1 KR 100220678B1 KR 1019950064313 A KR1019950064313 A KR 1019950064313A KR 19950064313 A KR19950064313 A KR 19950064313A KR 100220678 B1 KR100220678 B1 KR 100220678B1
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South Korea
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error block
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KR1019950064313A
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English (en)
Korean (ko)
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KR970058000A (ko
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김진헌
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전주범
대우전자주식회사
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Priority to KR1019950064313A priority Critical patent/KR100220678B1/ko
Priority to US08/651,381 priority patent/US5841477A/en
Priority to IN944CA1996 priority patent/IN189082B/en
Priority to DE1996631819 priority patent/DE69631819T2/de
Priority to CN96106402A priority patent/CN1115052C/zh
Priority to JP14029396A priority patent/JP3859768B2/ja
Priority to EP19960304000 priority patent/EP0782347B1/en
Publication of KR970058000A publication Critical patent/KR970058000A/ko
Application granted granted Critical
Publication of KR100220678B1 publication Critical patent/KR100220678B1/ko
Assigned to 주식회사 대우일렉트로닉스 reassignment 주식회사 대우일렉트로닉스 권리의 전부이전등록 Assignors: 대우전자 주식회사
Assigned to 메이플 비젼 테크놀로지스 인크. reassignment 메이플 비젼 테크놀로지스 인크. 권리의 전부이전등록 Assignors: 주식회사 대우일렉트로닉스
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    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Error Detection And Correction (AREA)
KR1019950064313A 1995-12-29 1995-12-29 블록 단위 부호화 장치로부터 전송된 영상신호에서의 채널 에러 정정 방법 Expired - Fee Related KR100220678B1 (ko)

Priority Applications (7)

Application Number Priority Date Filing Date Title
KR1019950064313A KR100220678B1 (ko) 1995-12-29 1995-12-29 블록 단위 부호화 장치로부터 전송된 영상신호에서의 채널 에러 정정 방법
US08/651,381 US5841477A (en) 1995-12-29 1996-05-22 Method for rectifying channel errors in an image signal transmitted from a block-based encoder
IN944CA1996 IN189082B (enExample) 1995-12-29 1996-05-24
CN96106402A CN1115052C (zh) 1995-12-29 1996-06-03 校正基于块的编码器传送的图象信号中的信道误差的方法
DE1996631819 DE69631819T2 (de) 1995-12-29 1996-06-03 Fehlerverdeckung in einem Block-basierten Bildkodierer
JP14029396A JP3859768B2 (ja) 1995-12-29 1996-06-03 映像信号のチャネルエラー訂正方法
EP19960304000 EP0782347B1 (en) 1995-12-29 1996-06-03 Error concealment for block-based image encoder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950064313A KR100220678B1 (ko) 1995-12-29 1995-12-29 블록 단위 부호화 장치로부터 전송된 영상신호에서의 채널 에러 정정 방법

Publications (2)

Publication Number Publication Date
KR970058000A KR970058000A (ko) 1997-07-31
KR100220678B1 true KR100220678B1 (ko) 1999-09-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950064313A Expired - Fee Related KR100220678B1 (ko) 1995-12-29 1995-12-29 블록 단위 부호화 장치로부터 전송된 영상신호에서의 채널 에러 정정 방법

Country Status (7)

Country Link
US (1) US5841477A (enExample)
EP (1) EP0782347B1 (enExample)
JP (1) JP3859768B2 (enExample)
KR (1) KR100220678B1 (enExample)
CN (1) CN1115052C (enExample)
DE (1) DE69631819T2 (enExample)
IN (1) IN189082B (enExample)

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KR100346740B1 (ko) * 1996-09-21 2002-09-18 삼성전자 주식회사 이산코사인변환계수예측방법
DE19737872A1 (de) * 1997-08-29 1999-03-04 Siemens Ag Verfahren und Vorrichtung zur Fehlerlokalisierung eines Übertragungsfehlers, der bei der Decodierung eines codierten Bildes erkannt wurde
US6118391A (en) * 1998-01-07 2000-09-12 Microsoft Corporation Compression into arbitrary character sets
US6295384B1 (en) * 1998-11-04 2001-09-25 Schlumberger Technologies, Inc. Removing noise caused by artifacts from a digital image signal
US6621936B1 (en) * 1999-02-12 2003-09-16 Sony Corporation Method and apparatus for spatial class reduction
US6999673B1 (en) * 1999-09-30 2006-02-14 Matsushita Electric Industrial Co., Ltd. Moving picture decoding method, moving picture decoding apparatus and program recording medium
EP1374429A4 (en) * 2001-03-05 2009-11-11 Intervideo Inc SYSTEMS AND METHOD FOR CODING AND DECODING REDUNDANT MOTION VECTORS IN COMPRESSED VIDEO BITSTRAMS
JP4340532B2 (ja) * 2001-05-29 2009-10-07 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 誤り隠蔽方法及び装置
KR100761542B1 (ko) * 2001-10-17 2007-09-27 매그나칩 반도체 유한회사 이웃한 매크로블럭의 움직임 벡터를 이용한 에러 은닉장치 및 방법
US7120308B2 (en) 2001-11-26 2006-10-10 Seiko Epson Corporation Iterated de-noising for image recovery
US7260269B2 (en) * 2002-08-28 2007-08-21 Seiko Epson Corporation Image recovery using thresholding and direct linear solvers
KR100582595B1 (ko) * 2002-12-23 2006-05-23 한국전자통신연구원 이산여현변환에 기반하여 압축된 영상으로부터 블록에지를 검출 및 분류하는 방법
WO2004064397A1 (en) * 2003-01-10 2004-07-29 Thomson Licensing S.A. Spatial error concealment based on the intra-prediction modes transmitted in a coded stream
KR100504824B1 (ko) 2003-04-08 2005-07-29 엘지전자 주식회사 이미지 신호 블록오류 보정 장치 및 방법
US7352909B2 (en) * 2003-06-02 2008-04-01 Seiko Epson Corporation Weighted overcomplete de-noising
WO2005022922A1 (en) * 2003-09-02 2005-03-10 Koninklijke Philips Electronics N.V. Temporal interpolation of a pixel on basis of occlusion detection
US20050105817A1 (en) * 2003-11-17 2005-05-19 Guleryuz Onur G. Inter and intra band prediction of singularity coefficients using estimates based on nonlinear approximants
KR100886191B1 (ko) * 2004-12-06 2009-02-27 엘지전자 주식회사 영상 블록을 디코딩 하는 방법
US8265141B2 (en) * 2005-05-17 2012-09-11 Broadcom Corporation System and method for open loop spatial prediction in a video encoder
US7587098B2 (en) * 2005-07-14 2009-09-08 Mavs Lab. Inc. Pixel data generating method
KR100706720B1 (ko) * 2005-09-15 2007-04-12 한양대학교 산학협력단 방향성 보간을 이용한 공간적 에러은닉 방법
JP4961182B2 (ja) * 2005-10-18 2012-06-27 株式会社リコー ノイズ除去装置、ノイズ除去方法、ノイズ除去プログラム及び記録媒体
US8542726B2 (en) * 2006-10-17 2013-09-24 Microsoft Corporation Directional and motion-compensated discrete cosine transformation
WO2012050301A2 (ko) * 2010-10-14 2012-04-19 엘지전자 주식회사 영상 부호화 및 복호화 방법과 이를 이용한 장치
CN104243996B (zh) * 2013-06-14 2017-07-28 瑞昱半导体股份有限公司 回路内处理装置及选择性的像素差值补偿方法和编码系统

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DE3117206A1 (de) * 1981-04-30 1982-11-18 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und schaltungsanordnung zum verdecken von fehlern in einem digitalen farbvideosignal
EP0232417B1 (de) * 1985-10-02 1991-11-06 Deutsche Thomson-Brandt GmbH Verfahren zur korrektur von übertragungsfehlern
JP3018366B2 (ja) * 1989-02-08 2000-03-13 ソニー株式会社 ビデオ信号処理回路
US5243428A (en) * 1991-01-29 1993-09-07 North American Philips Corporation Method and apparatus for concealing errors in a digital television
US5455629A (en) * 1991-02-27 1995-10-03 Rca Thomson Licensing Corporation Apparatus for concealing errors in a digital video processing system
GB2263373B (en) * 1992-01-09 1995-05-24 Sony Broadcast & Communication Data error concealment
US5247363A (en) * 1992-03-02 1993-09-21 Rca Thomson Licensing Corporation Error concealment apparatus for hdtv receivers
US5365604A (en) * 1993-01-14 1994-11-15 Rca Thomson Licensing Corporation Error concealment apparatus for video signal processors
US5442400A (en) * 1993-04-29 1995-08-15 Rca Thomson Licensing Corporation Error concealment apparatus for MPEG-like video data
KR960012931B1 (ko) * 1993-08-31 1996-09-25 대우전자 주식회사 분류 벡터 양자화된 영상의 채널 오류 은폐 방법
KR960014184B1 (ko) * 1993-08-31 1996-10-14 대우전자 주식회사 분류 벡터 양자화된 영상의 클라스(Class) 오류 검출 방법
US5517250A (en) * 1995-02-28 1996-05-14 General Instrument Corporation Of Delaware Acquisition of desired data from a packetized data stream and synchronization thereto
US5568200A (en) * 1995-06-07 1996-10-22 Hitachi America, Ltd. Method and apparatus for improved video display of progressively refreshed coded video

Also Published As

Publication number Publication date
CN1115052C (zh) 2003-07-16
DE69631819T2 (de) 2005-02-03
CN1154049A (zh) 1997-07-09
EP0782347A3 (en) 1999-11-03
JPH09200754A (ja) 1997-07-31
JP3859768B2 (ja) 2006-12-20
IN189082B (enExample) 2002-12-14
US5841477A (en) 1998-11-24
EP0782347B1 (en) 2004-03-10
DE69631819D1 (de) 2004-04-15
EP0782347A2 (en) 1997-07-02
KR970058000A (ko) 1997-07-31

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