JP4044655B2 - Ｃｃｄセンサのｓ／ｎ比改善方法 - Google Patents

Ｃｃｄセンサのｓ／ｎ比改善方法 Download PDF

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Publication number
JP4044655B2
JP4044655B2 JP27675397A JP27675397A JP4044655B2 JP 4044655 B2 JP4044655 B2 JP 4044655B2 JP 27675397 A JP27675397 A JP 27675397A JP 27675397 A JP27675397 A JP 27675397A JP 4044655 B2 JP4044655 B2 JP 4044655B2
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Japan
Prior art keywords
time
ccd
exposure
analog
image
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Expired - Fee Related
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JP27675397A
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English (en)
Japanese (ja)
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JPH10136273A5 (enExample
JPH10136273A (ja
Inventor
マーク・ジェイ・ビアンチ
オスカー・アール・ヘレラ・イー
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HP Inc
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Hewlett Packard Co
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Publication of JPH10136273A5 publication Critical patent/JPH10136273A5/ja
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/50—Control of the SSIS exposure
    • H04N25/53—Control of the integration time
    • H04N25/533—Control of the integration time by using differing integration times for different sensor regions
    • H04N25/534—Control of the integration time by using differing integration times for different sensor regions depending on the spectral component
    • 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
    • H04N25/70—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
    • H04N25/701—Line sensors
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Facsimile Heads (AREA)
  • Color Television Image Signal Generators (AREA)
  • Solid State Image Pick-Up Elements (AREA)
JP27675397A 1996-10-15 1997-10-09 Ｃｃｄセンサのｓ／ｎ比改善方法 Expired - Fee Related JP4044655B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/720,987 US5898509A (en) 1996-10-15 1996-10-15 Method for improving the signal-to-noise ratio of a CCD sensor in a color imaging device
US720,987 1996-10-15

Publications (3)

Publication Number Publication Date
JPH10136273A JPH10136273A (ja) 1998-05-22
JPH10136273A5 JPH10136273A5 (enExample) 2005-06-23
JP4044655B2 true JP4044655B2 (ja) 2008-02-06

Family

ID=24896052

Family Applications (1)

Application Number Title Priority Date Filing Date
JP27675397A Expired - Fee Related JP4044655B2 (ja) 1996-10-15 1997-10-09 Ｃｃｄセンサのｓ／ｎ比改善方法

Country Status (3)

Country Link
US (1) US5898509A (enExample)
JP (1) JP4044655B2 (enExample)
TW (1) TW324076B (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3758284B2 (ja) * 1997-03-17 2006-03-22 コニカミノルタフォトイメージング株式会社 画像撮像装置
TW475330B (en) * 1999-10-29 2002-02-01 Hewlett Packard Co Photosensor array with multiple different sensor areas
JP2001225510A (ja) * 2000-02-17 2001-08-21 Matsushita Electric Ind Co Ltd 画像処理装置
JP3937716B2 (ja) * 2000-10-24 2007-06-27 キヤノン株式会社 固体撮像装置及び撮像システム
US6765699B1 (en) * 2000-10-31 2004-07-20 Hewlett-Packard Development Company, L.P. Photosensor array with decreased scan time for decreased optical sampling rates
TW510980B (en) * 2000-12-12 2002-11-21 Veutron Corp Method for balancing different color channel outputs of color sensor
US6822657B2 (en) * 2001-08-10 2004-11-23 Agilent Technologies, Inc. Method and apparatus for improving image quality in digital cameras
US6515780B1 (en) * 2001-12-11 2003-02-04 Umax Data Systems Inc. Method enabling a scanning range of a normal scan to map a predetermined range selected under preview in a scanning device
US6566647B1 (en) * 2002-05-30 2003-05-20 Hewlett-Packard Development Company, L.P. Exposure timing alignment for color specific exposure times
GB2398698A (en) * 2002-05-30 2004-08-25 Hewlett Packard Co Optical scanner directing light on middle of image sensor
US20040212857A1 (en) * 2003-04-23 2004-10-28 Spears Kurt E. Control for a photosensor array
US7880785B2 (en) * 2004-07-21 2011-02-01 Aptina Imaging Corporation Rod and cone response sensor
US7830429B1 (en) 2007-07-27 2010-11-09 Hewlett-Packard Development Company, L.P. Optimizing characterization values of image capture apparatus components
JP2020009980A (ja) * 2018-07-12 2020-01-16 ソニーセミコンダクタソリューションズ株式会社 撮像装置およびスペクトル解析装置
CN110702099B (zh) * 2019-10-31 2022-05-27 中国科学院长春光学精密机械与物理研究所 高动态范围恒星探测成像方法及星敏感器

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4408231A (en) * 1981-07-31 1983-10-04 International Business Machines Corporation Method and apparatus for calibrating a linear array scanning system
GB2160061B (en) * 1984-06-07 1987-09-16 Rank Cintel Ltd Solid state imaging apparatus
US4839739A (en) * 1986-03-14 1989-06-13 Hitachi, Ltd. Image signal binary circuit with a variable-frequency clock signal generator for driving an image sensor
US5182658A (en) * 1988-07-27 1993-01-26 Canon Kabushiki Kaisha Image pickup apparatus for controlling accumulation time in photoelectric elements
JPH0486005A (ja) * 1990-07-28 1992-03-18 Nec Corp 電流増幅回路
US5105264A (en) * 1990-09-28 1992-04-14 Eastman Kodak Company Color image sensor having an optimum exposure time for each color
US5585847A (en) * 1992-12-23 1996-12-17 Loral Fairchild Corporation Electronic color imaging technique and structure using a very high resolution monochrome full-frame CCD imager
US5479207A (en) * 1994-02-14 1995-12-26 Hewlett-Packard Company System and method for improving the signal to noise ratio of a CCD sensor in an optical scanner
DE69514874T2 (de) * 1994-08-23 2000-07-20 Hewlett-Packard Co., Palo Alto Sensoranordnung für einen optischen Bildabtaster die Grauwert- und Farbsignale liefert
US5668593A (en) * 1995-06-07 1997-09-16 Recon/Optical, Inc. Method and camera system for step frame reconnaissance with motion compensation

Also Published As

Publication number Publication date
TW324076B (en) 1998-01-01
US5898509A (en) 1999-04-27
JPH10136273A (ja) 1998-05-22

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