CA2202197C - Method and apparatus for determining a profile of an image displaced a distance from a platen - Google Patents

Method and apparatus for determining a profile of an image displaced a distance from a platen Download PDF

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Publication number
CA2202197C
CA2202197C CA002202197A CA2202197A CA2202197C CA 2202197 C CA2202197 C CA 2202197C CA 002202197 A CA002202197 A CA 002202197A CA 2202197 A CA2202197 A CA 2202197A CA 2202197 C CA2202197 C CA 2202197C
Authority
CA
Canada
Prior art keywords
light
scan direction
image
scanning system
spot
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
CA002202197A
Other languages
English (en)
French (fr)
Other versions
CA2202197A1 (en
Inventor
John F. Walsh
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.)
Xerox Corp
Original Assignee
Xerox 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 Xerox Corp filed Critical Xerox Corp
Publication of CA2202197A1 publication Critical patent/CA2202197A1/en
Application granted granted Critical
Publication of CA2202197C publication Critical patent/CA2202197C/en
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
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00007—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for relating to particular apparatus or devices
    • H04N1/00013—Reading apparatus
    • 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
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00007—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for relating to particular apparatus or devices
    • H04N1/00018—Scanning arrangements
    • 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
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00026—Methods therefor
    • H04N1/00034—Measuring, i.e. determining a quantity by comparison with a standard
    • 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
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00026—Methods therefor
    • H04N1/0005—Methods therefor in service, i.e. during normal operation
    • 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
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00071—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for characterised by the action taken
    • H04N1/00082—Adjusting or controlling
    • 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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/10—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces
    • H04N1/1013—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces with sub-scanning by translatory movement of at least a part of the main-scanning components
    • 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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/10—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces
    • H04N1/1013—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces with sub-scanning by translatory movement of at least a part of the main-scanning components
    • H04N1/1039—Movement of the main scanning components
    • H04N1/1052—Movement of the main scanning components of a mirror
    • H04N1/1056—Movement of the main scanning components of a mirror of two or more separate mirror arrangements
    • 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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/19—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays
    • H04N1/191—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays the array comprising a one-dimensional array, or a combination of one-dimensional arrays, or a substantially one-dimensional array, e.g. an array of staggered elements
    • H04N1/192—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line
    • H04N1/193—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line using electrically scanned linear arrays, e.g. linear CCD arrays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/0402—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207
    • H04N2201/0434—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207 specially adapted for scanning pages of a book

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
CA002202197A 1996-06-26 1997-04-09 Method and apparatus for determining a profile of an image displaced a distance from a platen Expired - Fee Related CA2202197C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/670,954 1996-06-26
US08/670,954 US5726775A (en) 1996-06-26 1996-06-26 Method and apparatus for determining a profile of an image displaced a distance from a platen

Publications (2)

Publication Number Publication Date
CA2202197A1 CA2202197A1 (en) 1997-12-26
CA2202197C true CA2202197C (en) 2003-06-24

Family

ID=24692575

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002202197A Expired - Fee Related CA2202197C (en) 1996-06-26 1997-04-09 Method and apparatus for determining a profile of an image displaced a distance from a platen

Country Status (3)

Country Link
US (1) US5726775A (enExample)
JP (1) JPH1084461A (enExample)
CA (1) CA2202197C (enExample)

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JPH09163121A (ja) * 1995-12-12 1997-06-20 Minolta Co Ltd デジタル画像形成装置
JPH10262147A (ja) * 1997-03-18 1998-09-29 Minolta Co Ltd 画像読取り装置
US6587227B1 (en) * 1999-12-09 2003-07-01 Xerox Corporation Copier having contoured track guides
US6603580B1 (en) * 1999-12-10 2003-08-05 Xerox Corporation Scanner having a variable object plane
TW448310B (en) * 2000-08-28 2001-08-01 Umax Data Systems Inc An image scan method that sets the light conductive glass in the different position to scan images
US6954290B1 (en) * 2000-11-09 2005-10-11 International Business Machines Corporation Method and apparatus to correct distortion of document copies
JP2002358514A (ja) * 2000-12-14 2002-12-13 Ricoh Co Ltd 画像歪み補正装置、プログラム、記憶媒体、画像歪み補正方法、画像読取装置および画像形成装置
US6763141B2 (en) 2000-12-28 2004-07-13 Xerox Corporation Estimation of local defocus distance and geometric distortion based on scanned image features
FR2820588B1 (fr) * 2001-02-06 2003-04-25 I2 S Procede de numerisation d'une surface coloree non plane
US20020118401A1 (en) * 2001-02-27 2002-08-29 Chui-Kuei Chiu Dynamically focusing method for image scanning device
JP4141235B2 (ja) * 2002-02-08 2008-08-27 株式会社リコー 画像補正装置及びプログラム
US20040086198A1 (en) * 2002-11-05 2004-05-06 Gerald Brown System and method for bump height measurement
US7225984B2 (en) * 2003-02-20 2007-06-05 Harris Rodney C Systems and methods for providing multiple object planes in an optical image scanning environment
US6906314B2 (en) * 2003-02-20 2005-06-14 Hewlett-Packard Development Company, L.P. Systems and methods for providing multiple object planes in an optical image scanner
US20050179962A1 (en) * 2004-02-13 2005-08-18 Williamson James B. Compact optical scanhead
KR100677154B1 (ko) * 2004-12-03 2007-02-02 삼성전자주식회사 문서와 플랫 베드 간의 수직 거리 측정 장치 및 왜곡 보상기능을 가지는 스캐닝 장치 및 방법
US20070036126A1 (en) * 2005-08-08 2007-02-15 Poole David K Laser position measurement system
US8213687B2 (en) * 2006-04-28 2012-07-03 Hewlett-Packard Development Company, L.P. Image processing methods, image processing systems, and articles of manufacture
JP4991411B2 (ja) * 2006-07-28 2012-08-01 キヤノン株式会社 画像処理方法
US7843611B2 (en) * 2007-07-18 2010-11-30 Kuwait University High speed flatbed scanner comprising digital image-capture module with two-dimensional optical image photo-sensor or digital camera
EP2124429A1 (en) * 2008-05-19 2009-11-25 Mitsubishi Electric Information Technology Centre Europe B.V. Document scanner
EP2124190B1 (en) * 2008-05-19 2011-08-31 Mitsubishi Electric Information Technology Centre Europe B.V. Image processing to enhance image sharpness
EP2124189A1 (en) * 2008-05-19 2009-11-25 Mitsubishi Electric Information Technology Centre Europe B.V. Image processing to enhance image sharpness
KR101061098B1 (ko) * 2009-09-02 2011-09-01 심규철 스캐너 장치 및 스캐닝 방법
US8760731B2 (en) * 2011-03-30 2014-06-24 Xerox Corporation Document scanner, an associated method of operating a document scanner, and an associated program storage device
CN105430300B (zh) * 2015-12-01 2018-08-21 天逸瑞狮（苏州）口腔医疗科技股份有限公司 一种影像扫描系统、装置及方法
US11165926B1 (en) * 2020-09-30 2021-11-02 Kyocera Document Solutions Inc. Image forming apparatus, information processing method, and non-transitory computer readable recording medium that stores information processing program
JP2024001994A (ja) * 2022-06-23 2024-01-11 セイコーエプソン株式会社 支持ユニット、印刷システム

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6049290B2 (ja) * 1978-07-13 1985-11-01 株式会社東芝 走査装置
DE3546404A1 (de) * 1985-12-31 1987-07-02 Pfreimter Hubert Vorrichtung fuer die erzeugung beidseitiger abbildungen aus buechern
JP2502591B2 (ja) * 1987-05-13 1996-05-29 株式会社リコー 原稿位置検出装置
JP3063099B2 (ja) * 1989-09-29 2000-07-12 ミノルタ株式会社 原稿読み取り装置
US5221974A (en) * 1989-09-29 1993-06-22 Mita Industrial Co., Ltd. Image reader using two frames each driven by a different motor for adjustment of focus
US5017989A (en) * 1989-12-06 1991-05-21 Xerox Corporation Solid state radiation sensor array panel
US4980720A (en) * 1990-05-22 1990-12-25 Xerox Corporation Document reproduction machine with enhanced book copying capability
JPH04331562A (ja) * 1990-07-31 1992-11-19 Xerox Corp 文書複写機
US5212568A (en) * 1990-09-17 1993-05-18 Xerox Corporation Method and apparatus for scanning a signature document
US5119206A (en) * 1990-09-28 1992-06-02 Xerox Corporation System for printing bound documents
IS1666B (is) * 1991-02-19 1997-11-14 Marel Hf Aðferð og búnaður til ákvörðunar rúmmáls, forms og þyngdar fisks eða annarra hluta
JPH0568132A (ja) * 1991-09-05 1993-03-19 Fuji Xerox Co Ltd 原稿読取り装置
US5377019A (en) * 1991-12-02 1994-12-27 Minolta Co., Ltd. Document reading apparatus having a function of determining effective document region based on a detected data
US5585926A (en) * 1991-12-05 1996-12-17 Minolta Co., Ltd. Document reading apparatus capable of rectifying a picked up image data of documents
JPH05316302A (ja) * 1992-05-13 1993-11-26 Minolta Camera Co Ltd 画像入力装置
US5402224A (en) * 1992-09-25 1995-03-28 Nikon Corporation Distortion inspecting method for projection optical system
US5359207A (en) * 1993-11-29 1994-10-25 Xerox Corporation Wedge scanner utilizing two dimensional sensing arrays

Also Published As

Publication number Publication date
CA2202197A1 (en) 1997-12-26
US5726775A (en) 1998-03-10
JPH1084461A (ja) 1998-03-31

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