DE69033749D1 - Vorrichtung zur Verarbeitung eines Videosignals - Google Patents

Vorrichtung zur Verarbeitung eines Videosignals

Info

Publication number
DE69033749D1
DE69033749D1 DE69033749T DE69033749T DE69033749D1 DE 69033749 D1 DE69033749 D1 DE 69033749D1 DE 69033749 T DE69033749 T DE 69033749T DE 69033749 T DE69033749 T DE 69033749T DE 69033749 D1 DE69033749 D1 DE 69033749D1
Authority
DE
Germany
Prior art keywords
processing
video signal
video
signal
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 - Fee Related
Application number
DE69033749T
Other languages
English (en)
Other versions
DE69033749T2 (de
Inventor
Masatoshi Sase
Makoto Onga
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
Priority claimed from JP1270771A external-priority patent/JPH03132283A/ja
Priority claimed from JP1270773A external-priority patent/JP2805900B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69033749D1 publication Critical patent/DE69033749D1/de
Publication of DE69033749T2 publication Critical patent/DE69033749T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/18—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/10—Circuitry of solid-state image sensors [SSIS]; Control thereof for transforming different wavelengths into image signals
    • H04N25/11—Arrangement of colour filter arrays [CFA]; Filter mosaics
    • H04N25/13—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements
    • H04N25/135—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements based on four or more different wavelength filter elements
    • H04N25/136—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements based on four or more different wavelength filter elements using complementary colours
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/63—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to dark current
    • H04N25/633—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to dark current by using optical black pixels

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Color Television Image Signal Generators (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
DE69033749T 1989-10-18 1990-10-17 Vorrichtung zur Verarbeitung eines Videosignals Expired - Fee Related DE69033749T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1270771A JPH03132283A (ja) 1989-10-18 1989-10-18 テレビジヨンカメラ
JP1270773A JP2805900B2 (ja) 1989-10-18 1989-10-18 カメラ信号処理回路

Publications (2)

Publication Number Publication Date
DE69033749D1 true DE69033749D1 (de) 2001-07-19
DE69033749T2 DE69033749T2 (de) 2002-02-28

Family

ID=26549361

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69030940T Expired - Fee Related DE69030940T2 (de) 1989-10-18 1990-10-17 Vorrichtung zur Verarbeitung eines Videosignals
DE69033749T Expired - Fee Related DE69033749T2 (de) 1989-10-18 1990-10-17 Vorrichtung zur Verarbeitung eines Videosignals

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69030940T Expired - Fee Related DE69030940T2 (de) 1989-10-18 1990-10-17 Vorrichtung zur Verarbeitung eines Videosignals

Country Status (2)

Country Link
EP (2) EP0424111B1 (de)
DE (2) DE69030940T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5276321A (en) * 1991-04-15 1994-01-04 Geophysical & Environmental Research Corp. Airborne multiband imaging spectrometer
KR0108917Y1 (en) * 1991-12-05 1997-11-08 Samsung Electronics Co Ltd Digital clamping circuit
JPH0822057B2 (ja) * 1992-04-21 1996-03-04 松下電器産業株式会社 テレビジョン信号処理方法および処理装置
JP3696895B2 (ja) * 1993-06-21 2005-09-21 キヤノン株式会社 ビデオカメラ及び映像信号処理方法
US5471244A (en) * 1994-05-31 1995-11-28 3M Company Automatic dark level zeroing for an analog video signal
DE19609863C2 (de) * 1996-03-13 2002-01-10 Remix Video Technologien Gmbh CCD-Kamera
JP3738080B2 (ja) * 1996-05-17 2006-01-25 富士写真フイルム株式会社 リニアイメージセンサの出力信号補正装置
DE19746623C1 (de) * 1997-10-22 1998-11-19 Siemens Ag Verfahren zur Ermittlung von Zeilenkorrekturwerten für einen digitalen Bildwandler
US6476864B1 (en) * 1998-05-11 2002-11-05 Agilent Technologies, Inc. Pixel sensor column amplifier architecture
IT1318028B1 (it) 2000-06-20 2003-07-21 Italconverting S P A Dispositivo per l'eliminazione di scarti nella produzione di rotoli dimateriale in foglio

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4437112A (en) * 1980-02-15 1984-03-13 Canon Kabushiki Kaisha Solid-state color imaging apparatus
US4742392A (en) * 1983-08-04 1988-05-03 Canon Kabushiki Kaisha Clamp circuit with feed back
JPS6083472A (ja) * 1983-10-14 1985-05-11 Matsushita Electric Ind Co Ltd 映像信号直流電位再生方法
JPS61187468A (ja) * 1985-02-14 1986-08-21 Nec Corp クランプ回路
JP2705054B2 (ja) * 1986-08-02 1998-01-26 ソニー株式会社 固体撮像装置
JP2581070B2 (ja) 1987-04-28 1997-02-12 ソニー株式会社 撮像信号処理装置
US4903121A (en) * 1987-05-14 1990-02-20 Matsushita Electric Industrial Co., Ltd. Image pick up apparatus having pixel compensation circuit
GB2217546A (en) * 1988-04-25 1989-10-25 Philips Electronic Associated Apparatus for processing a video signal

Also Published As

Publication number Publication date
EP0688132A1 (de) 1995-12-20
EP0688132B1 (de) 2001-06-13
EP0424111A2 (de) 1991-04-24
DE69030940D1 (de) 1997-07-24
DE69033749T2 (de) 2002-02-28
DE69030940T2 (de) 1997-10-23
EP0424111A3 (en) 1993-03-03
EP0424111B1 (de) 1997-06-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee