DE69215323T2 - Schwarzabgleichseinstellung für mit mehreren Festkörper-Bildaufnahmevorrichtungen versehene Videokameras - Google Patents

Schwarzabgleichseinstellung für mit mehreren Festkörper-Bildaufnahmevorrichtungen versehene Videokameras

Info

Publication number
DE69215323T2
DE69215323T2 DE69215323T DE69215323T DE69215323T2 DE 69215323 T2 DE69215323 T2 DE 69215323T2 DE 69215323 T DE69215323 T DE 69215323T DE 69215323 T DE69215323 T DE 69215323T DE 69215323 T2 DE69215323 T2 DE 69215323T2
Authority
DE
Germany
Prior art keywords
state imaging
imaging devices
video cameras
multiple solid
balance setting
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
DE69215323T
Other languages
English (en)
Other versions
DE69215323D1 (de
Inventor
Makoto Usami
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 DE69215323D1 publication Critical patent/DE69215323D1/de
Publication of DE69215323T2 publication Critical patent/DE69215323T2/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
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/73—Colour balance circuits, e.g. white balance circuits or colour temperature control
    • 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
    • H04N5/165—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level to maintain the black level constant
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/40—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled
    • H04N25/44—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled by partially reading an SSIS array
    • H04N25/447—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled by partially reading an SSIS array by preserving the colour pattern with or without loss of information
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/70—SSIS architectures; Circuits associated therewith
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/70—SSIS architectures; Circuits associated therewith
    • H04N25/71—Charge-coupled device [CCD] sensors; Charge-transfer registers specially adapted for CCD sensors
    • H04N25/75—Circuitry for providing, modifying or processing image signals from the pixel array
DE69215323T 1991-09-30 1992-09-17 Schwarzabgleichseinstellung für mit mehreren Festkörper-Bildaufnahmevorrichtungen versehene Videokameras Expired - Fee Related DE69215323T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25070991A JP3153918B2 (ja) 1991-09-30 1991-09-30 固体撮像装置および遮光検出装置

Publications (2)

Publication Number Publication Date
DE69215323D1 DE69215323D1 (de) 1997-01-02
DE69215323T2 true DE69215323T2 (de) 1997-04-10

Family

ID=17211885

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69215323T Expired - Fee Related DE69215323T2 (de) 1991-09-30 1992-09-17 Schwarzabgleichseinstellung für mit mehreren Festkörper-Bildaufnahmevorrichtungen versehene Videokameras

Country Status (5)

Country Link
US (1) US5283655A (de)
EP (1) EP0535829B1 (de)
JP (1) JP3153918B2 (de)
KR (1) KR100299200B1 (de)
DE (1) DE69215323T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0738812A (ja) * 1993-06-25 1995-02-07 Nikon Corp 複数チャネル出力の撮像素子を備えた撮像装置
US5548332A (en) * 1994-04-18 1996-08-20 Panasonic Technologies, Inc. Apparatus and method for black shading correction
JP4030605B2 (ja) * 1995-11-10 2008-01-09 オリンパス株式会社 電子的撮像装置
US6147707A (en) * 1996-02-06 2000-11-14 Canon Kabushiki Kaisha Method and apparatus for gain adjustment of an image sensor
US6930709B1 (en) * 1997-12-04 2005-08-16 Pentax Of America, Inc. Integrated internet/intranet camera
KR100501137B1 (ko) * 1998-02-24 2005-10-04 유티스타콤코리아 유한회사 할당된 메모리를 이용한 통계 수집 방법
CA2378066A1 (en) 1999-08-17 2001-02-22 Applied Vision Systems, Inc. Improved dynamic range video camera, recording system, and recording method
US7193652B2 (en) * 1999-08-17 2007-03-20 Applied Vision Systems, Inc. Dynamic range video recording and playback system and method
JP4286420B2 (ja) * 2000-02-18 2009-07-01 Ｈｏｙａ株式会社 インターネットカメラ
JP2001238199A (ja) * 2000-02-25 2001-08-31 Asahi Optical Co Ltd インターネットカメラシステム
JP4262384B2 (ja) 2000-02-28 2009-05-13 Ｈｏｙａ株式会社 インターネットカメラ
US7562380B2 (en) * 2000-10-27 2009-07-14 Hoya Corporation Internet camera system
JP4248192B2 (ja) * 2001-08-01 2009-04-02 三洋電機株式会社 画像信号処理装置
JP2004088406A (ja) * 2002-08-27 2004-03-18 Sanyo Electric Co Ltd 画像信号処理装置
JP4333290B2 (ja) * 2003-09-04 2009-09-16 株式会社ニコン 黒レベル補正装置、及び電子カメラ
JP4731248B2 (ja) * 2005-08-25 2011-07-20 Ｈｏｙａ株式会社 電子内視鏡システム
JP2007215907A (ja) * 2006-02-20 2007-08-30 Pentax Corp 内視鏡プロセッサ、内視鏡システム、及びブラックバランス調整プログラム
KR100821307B1 (ko) * 2006-12-08 2008-04-11 한국항공우주연구원 디텍터 암전류에 의한 보정오차 산출 방법 및 이를 이용한보정오차 최소화 방법
JP5906057B2 (ja) * 2011-10-27 2016-04-20 キヤノン株式会社 撮像装置およびその制御方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6048955B2 (ja) * 1977-02-28 1985-10-30 ソニー株式会社 ホワイトバランス調整装置
JPS5476014A (en) * 1977-11-30 1979-06-18 Sony Corp Television camera
JPS5928769A (ja) * 1982-08-10 1984-02-15 Sony Corp スチルビデオカメラ
JPS6043972A (ja) * 1983-08-22 1985-03-08 Sony Corp 映像の黒レベル再生回路
EP0152496B1 (de) * 1984-02-17 1988-09-07 Olympus Optical Co., Ltd. Elektronischer Fotoapparat
US4675738A (en) * 1984-09-17 1987-06-23 Canon Kabushiki Kaisha Image pickup device
US4589025A (en) * 1984-11-30 1986-05-13 Rca Corporation Dark current measurement and correction for video from field-transfer imagers
US4748506A (en) * 1984-12-28 1988-05-31 Canon Kabushiki Kaisha Image pickup apparatus with excess-charge control
NL8501635A (nl) * 1985-06-06 1987-01-02 Philips Nv Kamera voor televisie-, foto- respektievelijk filmopname.
JPH0797830B2 (ja) * 1986-04-08 1995-10-18 ソニー株式会社 ビデオカメラの黒レベル補正回路
JP2539488B2 (ja) * 1988-06-03 1996-10-02 株式会社日立製作所 撮像装置
US4972267A (en) * 1988-06-14 1990-11-20 Fuji Photo Film Co., Ltd. Still-video camera for eliminating dark current differences
JPH0257072A (ja) * 1988-08-23 1990-02-26 Nec Corp 映像信号処理回路
US5049997A (en) * 1989-04-10 1991-09-17 Fuji Photo Film Co., Ltd. Video camera exposure control method and apparatus for preventing improper exposure due to changing object size or displacement and luminance difference between the object and background

Also Published As

Publication number Publication date
JP3153918B2 (ja) 2001-04-09
EP0535829A2 (de) 1993-04-07
EP0535829B1 (de) 1996-11-20
JPH0591530A (ja) 1993-04-09
KR930007232A (ko) 1993-04-22
US5283655A (en) 1994-02-01
EP0535829A3 (en) 1993-09-08
KR100299200B1 (ko) 2001-10-22
DE69215323D1 (de) 1997-01-02

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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