DE3581879D1 - Verfahren und vorrichtung zum verdecken von fehlern in digitalen fernsehsignalen. - Google Patents

Verfahren und vorrichtung zum verdecken von fehlern in digitalen fernsehsignalen.

Info

Publication number
DE3581879D1
DE3581879D1 DE8585306425T DE3581879T DE3581879D1 DE 3581879 D1 DE3581879 D1 DE 3581879D1 DE 8585306425 T DE8585306425 T DE 8585306425T DE 3581879 T DE3581879 T DE 3581879T DE 3581879 D1 DE3581879 D1 DE 3581879D1
Authority
DE
Germany
Prior art keywords
sample
error
immediately adjacent
sample values
calculating
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE8585306425T
Other languages
English (en)
Inventor
James Hedley Wilkinson
Peter Charles Boreland
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE3581879D1 publication Critical patent/DE3581879D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/87—Regeneration of colour television signals
    • H04N9/88—Signal drop-out compensation
    • H04N9/888—Signal drop-out compensation for signals recorded by pulse code modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color Television Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Signal Processing For Recording (AREA)
  • Television Systems (AREA)
  • Processing Of Color Television Signals (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
DE8585306425T 1984-09-18 1985-09-10 Verfahren und vorrichtung zum verdecken von fehlern in digitalen fernsehsignalen. Expired - Lifetime DE3581879D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08423546A GB2164521B (en) 1984-09-18 1984-09-18 Error concealment in digital television signals

Publications (1)

Publication Number Publication Date
DE3581879D1 true DE3581879D1 (de) 1991-04-04

Family

ID=10566875

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585306425T Expired - Lifetime DE3581879D1 (de) 1984-09-18 1985-09-10 Verfahren und vorrichtung zum verdecken von fehlern in digitalen fernsehsignalen.

Country Status (7)

Country Link
US (1) US4675735A (de)
EP (1) EP0179560B1 (de)
JP (1) JPH0721946B2 (de)
AT (1) ATE61189T1 (de)
CA (1) CA1238411A (de)
DE (1) DE3581879D1 (de)
GB (1) GB2164521B (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62266987A (ja) * 1986-05-15 1987-11-19 Sony Corp ２次元デイジタル信号の補正装置
JPH01236743A (ja) * 1988-03-17 1989-09-21 Hitachi Ltd 補間装置
US4992857A (en) * 1988-09-30 1991-02-12 Ampex Corporation System for distributing and recovering digitized composite SECAM samples in a two channel digital apparatus
US7382929B2 (en) 1989-05-22 2008-06-03 Pixel Instruments Corporation Spatial scan replication circuit
US6529637B1 (en) * 1989-05-22 2003-03-04 Pixel Instruments Corporation Spatial scan replication circuit
WO1991007844A1 (en) * 1989-11-15 1991-05-30 Rank Cintel Limited Improvements in and relating to flying spot scanners
IT1236975B (it) * 1989-12-22 1993-05-12 Sgs Thomson Microelectronics Metodo ed apparecchiatura per la riduzione del rumore di tipo impulsivo nei ricevitori video digitali
EP0478040A3 (en) * 1990-09-28 1993-06-16 Ampex Corporation Four direction adaptive error concealment system for component digital television signals
GB2280763B (en) * 1993-08-03 1997-09-24 Avt Communications Ltd Digital signal processing
US6418548B1 (en) 1999-02-12 2002-07-09 Sony Corporation Method and apparatus for preprocessing for peripheral erroneous data
US6519369B1 (en) 1999-02-12 2003-02-11 Sony Corporation Method and apparatus for filter tap expansion
US6621936B1 (en) 1999-02-12 2003-09-16 Sony Corporation Method and apparatus for spatial class reduction
US6363118B1 (en) 1999-02-12 2002-03-26 Sony Corporation Apparatus and method for the recovery of compression constants in the encoded domain
US6549672B1 (en) * 1999-06-29 2003-04-15 Sony Corporation Method and apparatus for recovery of encoded data using central value
US6522785B1 (en) 1999-09-24 2003-02-18 Sony Corporation Classified adaptive error recovery method and apparatus
US6351494B1 (en) 1999-09-24 2002-02-26 Sony Corporation Classified adaptive error recovery method and apparatus
US6754371B1 (en) 1999-12-07 2004-06-22 Sony Corporation Method and apparatus for past and future motion classification
US6724945B1 (en) 2000-05-24 2004-04-20 Hewlett-Packard Development Company, L.P. Correcting defect pixels in a digital image
CA2344615A1 (en) * 2000-09-08 2002-03-08 Jaldi Semiconductor Corp. A method and apparatus for motion adaptive deinterlacing
US6933983B2 (en) * 2001-09-10 2005-08-23 Jaldi Semiconductor Corp. System and method for reducing noise in images
JP3982817B2 (ja) * 2003-03-07 2007-09-26 株式会社東芝 画像処理装置および画像処理方法
JP5124325B2 (ja) * 2007-03-28 2013-01-23 富士フイルム株式会社 ポジ型レジスト組成物およびパターン形成方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4573070A (en) * 1977-01-31 1986-02-25 Cooper J Carl Noise reduction system for video signals
US4376955A (en) * 1980-02-28 1983-03-15 Rca Corporation Two dimensional adaptive dropout compensator and chroma inverter
GB2073534B (en) * 1980-04-02 1984-04-04 Sony Corp Error concealment in digital television signals
GB2084432A (en) * 1980-09-18 1982-04-07 Sony Corp Error concealment in digital television signals
US4470065A (en) * 1982-03-25 1984-09-04 Rca Corporation Adaptive error concealment using horizontal information determination from adjacent lines
GB2120494B (en) * 1982-05-14 1985-10-16 Sony Corp Error concealment in digital television signals
US4517600A (en) * 1982-05-17 1985-05-14 Rca Corporation Error concealment system using dropout severity information for selection of concealment method
GB2121642B (en) * 1982-05-26 1985-11-27 Sony Corp Error concealment in digital television signals

Also Published As

Publication number Publication date
JPH0721946B2 (ja) 1995-03-08
CA1238411A (en) 1988-06-21
EP0179560A1 (de) 1986-04-30
EP0179560B1 (de) 1991-02-27
GB8423546D0 (en) 1984-10-24
GB2164521B (en) 1988-02-03
ATE61189T1 (de) 1991-03-15
US4675735A (en) 1987-06-23
GB2164521A (en) 1986-03-19
JPS6177170A (ja) 1986-04-19

Similar Documents

Publication Publication Date Title
DE3581879D1 (de) Verfahren und vorrichtung zum verdecken von fehlern in digitalen fernsehsignalen.
GB2073534B (en) Error concealment in digital television signals
DE3377610D1 (en) Methods of and apparatus for error concealment in digital television signals
ATE11991T1 (de) Fehlerverbergung in digitalen fernsehsignalen.
DE3377693D1 (en) Error concealment in digital television signals
DE3789184D1 (de) System zur Erzeugung eines interpolierten Signals.
DE3764763D1 (de) Verfahren zur toleranzkompensation eines positionsgebersignals.
ES8703219A1 (es) Aparato para convertir una informacion numerica en una senal numerica de codigo nrzi.
DE68924060D1 (de) Verfahren zur Detektion einer Signalwellenformstörung in einem empfangenen Fernsehbildsignal.
GB2342997A (en) A method of processing seismic data
DE3852602D1 (de) Vorrichtung zur Detektion von Videosignalkorrelation und Verfahren dafür.
DE3579922D1 (de) Verfahren zur korrektur eines videoausgangssignals.
DE3670415D1 (de) Verfahren zur wiedergabe von fernsehsignalen mit verbesserter bildqualitaet.
DE3864574D1 (de) Verfahren zur entzerrung von seismischen signalen.
SE9401293L (sv) Sätt att bestämma absoluta lägen för seismiska eller akustiska transienta signalkällor
JPS5563462A (en) Failed part detection method for digital picture processor
DE3851170D1 (de) Verfahren zur Erkennung von Rauschen in Bildsignalen.
JPS5381223A (en) Signal error detecting and correcting system
JPS53127234A (en) Signal processing method of index color receiving tube
DE3675351D1 (de) Schaltungen zur erzeugung eines vertikalen ablenksignals fuer fernsehgeraete.
JPS53135669A (en) Inspecting apparatus
NO951250L (no) Amylin-antagonist og fremgangsmåte for screening derav

Legal Events

Date Code Title Description
8364 No opposition during term of opposition