DE69811767D1 - Verfahren und Vorrichtung zum Korrigieren der Bilddichte für einen CCD Sensor - Google Patents

Verfahren und Vorrichtung zum Korrigieren der Bilddichte für einen CCD Sensor

Info

Publication number
DE69811767D1
DE69811767D1 DE69811767T DE69811767T DE69811767D1 DE 69811767 D1 DE69811767 D1 DE 69811767D1 DE 69811767 T DE69811767 T DE 69811767T DE 69811767 T DE69811767 T DE 69811767T DE 69811767 D1 DE69811767 D1 DE 69811767D1
Authority
DE
Germany
Prior art keywords
correcting
image density
ccd sensor
ccd
sensor
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
DE69811767T
Other languages
English (en)
Other versions
DE69811767T2 (de
Inventor
Sueo Ueno
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Publication of DE69811767D1 publication Critical patent/DE69811767D1/de
Application granted granted Critical
Publication of DE69811767T2 publication Critical patent/DE69811767T2/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
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/401—Compensating positionally unequal response of the pick-up or reproducing head
    • 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
    • H04N25/67—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response
    • H04N25/671—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction
    • H04N25/672—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction between adjacent sensors or output registers for reading a single image
    • 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
    • H04N25/713—Transfer or readout registers; Split readout registers or multiple readout registers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Image Input (AREA)
  • Facsimile Heads (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
DE69811767T 1997-05-14 1998-04-29 Verfahren und Vorrichtung zum Korrigieren der Bilddichte für einen CCD Sensor Expired - Lifetime DE69811767T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12411397A JP3177187B2 (ja) 1997-05-14 1997-05-14 補正装置と補正方法と画像読取装置と画像形成装置

Publications (2)

Publication Number Publication Date
DE69811767D1 true DE69811767D1 (de) 2003-04-10
DE69811767T2 DE69811767T2 (de) 2003-12-24

Family

ID=14877253

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69811767T Expired - Lifetime DE69811767T2 (de) 1997-05-14 1998-04-29 Verfahren und Vorrichtung zum Korrigieren der Bilddichte für einen CCD Sensor

Country Status (5)

Country Link
US (1) US6288797B1 (de)
EP (1) EP0878958B1 (de)
JP (1) JP3177187B2 (de)
CN (1) CN1149444C (de)
DE (1) DE69811767T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11215298A (ja) * 1998-01-22 1999-08-06 Toshiba Corp 画像情報処理装置と画像情報処理方法と画像形成装置
JP3478760B2 (ja) * 1999-05-19 2003-12-15 キヤノン株式会社 信号処理回路及びそれの駆動方法並びに放射線撮像システム
US7324236B2 (en) 2000-02-01 2008-01-29 Canon Kabushiki Kaisha Discrepancy correction method and apparatus for correcting difference in levels of image signals obtained by an image sensor having a multiple output channels
EP1289265B1 (de) * 2001-08-22 2008-05-07 Canon Kabushiki Kaisha Verarbeitung der Signale eines Bildsensors mit mehreren Sensorchips
US7515317B2 (en) * 2001-12-10 2009-04-07 Chen-Hsiang Shih Compensating a zipper image by a K-value
US7012720B2 (en) * 2002-01-14 2006-03-14 Chen-Hsiang Shih Method of effacing zipper image
CN100351710C (zh) * 2002-02-26 2007-11-28 尼司卡股份有限公司 图像读取装置和图像处理装置
US20040027605A1 (en) * 2002-08-07 2004-02-12 Martin Kevin M. Fax machine with image display
JP2005348351A (ja) * 2004-06-07 2005-12-15 Ricoh Co Ltd 画像読取装置及び画像形成装置
US7308137B2 (en) * 2004-06-08 2007-12-11 Benq Corporation Method of determining color composition of an image
US7916186B2 (en) 2005-04-07 2011-03-29 Micron Technology, Inc. Anti-eclipse circuitry with tracking of floating diffusion reset level
JP4616716B2 (ja) * 2005-07-13 2011-01-19 株式会社リコー 画像読み取り装置及び画像形成装置
US9160885B2 (en) 2009-07-02 2015-10-13 Hewlett-Packard Development Company, L.P. Skew detection
US9167182B2 (en) 2011-09-26 2015-10-20 Semiconductor Components Industries, Llc Charge sensing in image sensors with output channel having multiple-gain output paths
WO2015065786A1 (en) * 2013-10-31 2015-05-07 Thorlabs, Inc. Multiple channel matching method

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4496982A (en) * 1982-05-27 1985-01-29 Rca Corporation Compensation against field shading in video from field-transfer CCD imagers
US4593319A (en) * 1983-04-20 1986-06-03 Xerox Corporation High resolution quadrilinear CCD imager with four channel to one channel multiplexing
US4757386A (en) * 1986-12-05 1988-07-12 Recognition Equipment Incorporated Dual channel signal processing system for an image sensor
US4821073A (en) * 1987-11-19 1989-04-11 Eastman Kodak Company Method and apparatus for measuring characteristics of photographic negatives
JPH0693768B2 (ja) * 1988-12-27 1994-11-16 日本電気株式会社 撮像信号処理装置
US5162841A (en) * 1989-10-11 1992-11-10 Fuji Photo Film Co., Ltd. Exposure controlling apparatus
JPH06105135A (ja) * 1992-09-24 1994-04-15 Toshiba Corp 集積回路装置およびそれを用いた画像読取装置もしくは画像形成装置
JPH06189130A (ja) 1992-12-16 1994-07-08 Fuji Xerox Co Ltd 画像処理装置
US5748857A (en) * 1994-12-07 1998-05-05 Mita Industrial Co. Ltd. Image gradation setting device for use in an image forming apparatus
KR100210569B1 (ko) * 1995-09-29 1999-07-15 미따라이 하지메 노광방법 및 노광장치, 그리고 이를 이용한 디바이스제조방법

Also Published As

Publication number Publication date
EP0878958A3 (de) 1999-08-18
CN1149444C (zh) 2004-05-12
US6288797B1 (en) 2001-09-11
EP0878958B1 (de) 2003-03-05
JP3177187B2 (ja) 2001-06-18
JPH10322552A (ja) 1998-12-04
EP0878958A2 (de) 1998-11-18
CN1200498A (zh) 1998-12-02
DE69811767T2 (de) 2003-12-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: KRAMER - BARSKE - SCHMIDTCHEN, 81245 MUENCHEN