JP2000089092A - ディジタルカメラによる文書撮像技術 - Google Patents

ディジタルカメラによる文書撮像技術

Info

Publication number
JP2000089092A
JP2000089092A JP11201278A JP20127899A JP2000089092A JP 2000089092 A JP2000089092 A JP 2000089092A JP 11201278 A JP11201278 A JP 11201278A JP 20127899 A JP20127899 A JP 20127899A JP 2000089092 A JP2000089092 A JP 2000089092A
Authority
JP
Japan
Prior art keywords
digital camera
document
optical axis
camera
distance
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.)
Withdrawn
Application number
JP11201278A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000089092A5 (enExample
Inventor
Ross R Allen
ロス・アール・アレン
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of JP2000089092A publication Critical patent/JP2000089092A/ja
Publication of JP2000089092A5 publication Critical patent/JP2000089092A5/ja
Withdrawn legal-status Critical Current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
    • H04N1/04—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
    • H04N1/195—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 two-dimensional array or a combination of two-dimensional arrays
    • H04N1/19594—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 two-dimensional array or a combination of two-dimensional arrays using a television camera or a still video camera
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
    • G01B11/2513—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object with several lines being projected in more than one direction, e.g. grids, patterns
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
    • G01B11/306—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces for measuring evenness
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/50—Depth or shape recovery
    • G06T7/521—Depth or shape recovery from laser ranging, e.g. using interferometry; from the projection of structured light
    • 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
    • H04N1/195—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 two-dimensional array or a combination of two-dimensional 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
    • H04N2201/043—Viewing the scanned area
    • 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
    • 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
    • H04N2201/0436—Scanning a picture-bearing surface lying face up on a support
    • 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
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04701—Detection of scanning velocity or position
    • H04N2201/04715—Detection of scanning velocity or position by detecting marks or the like, e.g. slits
    • H04N2201/04717—Detection of scanning velocity or position by detecting marks or the like, e.g. slits on the scanned sheet, e.g. a reference sheet
    • 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
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04701—Detection of scanning velocity or position
    • H04N2201/04743—Detection of scanning velocity or position by detecting the image directly
    • 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
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04701—Detection of scanning velocity or position
    • H04N2201/04749—Detecting position relative to a gradient, e.g. using triangular-shaped masks, marks or gratings

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Optics & Photonics (AREA)
  • Theoretical Computer Science (AREA)
  • Studio Devices (AREA)
  • Measurement Of Optical Distance (AREA)
  • Automatic Focus Adjustment (AREA)
JP11201278A 1998-07-21 1999-07-15 ディジタルカメラによる文書撮像技術 Withdrawn JP2000089092A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US120096 1998-07-21
US09/120,096 US6741279B1 (en) 1998-07-21 1998-07-21 System and method for capturing document orientation information with a digital camera

Publications (2)

Publication Number Publication Date
JP2000089092A true JP2000089092A (ja) 2000-03-31
JP2000089092A5 JP2000089092A5 (enExample) 2006-08-31

Family

ID=22388244

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11201278A Withdrawn JP2000089092A (ja) 1998-07-21 1999-07-15 ディジタルカメラによる文書撮像技術

Country Status (4)

Country Link
US (1) US6741279B1 (enExample)
EP (1) EP0974811B1 (enExample)
JP (1) JP2000089092A (enExample)
DE (1) DE69921559T2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7224397B2 (en) 2001-08-29 2007-05-29 Mega Chips Corporation AF control apparatus and AF control method

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1067362A1 (en) 1999-07-09 2001-01-10 Hewlett-Packard Company Document imaging system
EP1067757A1 (en) 1999-07-09 2001-01-10 Hewlett-Packard Company Curled surface imaging system
EP1128655B1 (en) * 2000-02-21 2006-12-06 Hewlett-Packard Company, A Delaware Corporation Framing aid for a document capture device
US6463220B1 (en) * 2000-11-08 2002-10-08 Xerox Corporation Method and apparatus for indicating a field of view for a document camera
GB2372656A (en) * 2001-02-23 2002-08-28 Ind Control Systems Ltd Optical position determination
GB2379818A (en) * 2001-07-25 2003-03-19 Univ Bristol Automatic surface inspection using plural different radiation sources.
US7053939B2 (en) * 2001-10-17 2006-05-30 Hewlett-Packard Development Company, L.P. Automatic document detection method and system
FR2842591B1 (fr) * 2002-07-16 2004-10-22 Ecole Nale Sup Artes Metiers Dispositif pour mesurer des variations dans le relief d'un objet
JP2004093275A (ja) * 2002-08-30 2004-03-25 Seiko Precision Inc 角度検出装置およびそれを備えたプロジェクタ
EP1426732A1 (en) * 2002-11-29 2004-06-09 Seiko Precision Inc. Angle detection apparatus, projector including the same, and angle detection method
US7522824B2 (en) * 2003-03-28 2009-04-21 Fujitsu Limited Photographing apparatus photographing method and computer program
JP2005006228A (ja) * 2003-06-13 2005-01-06 Casio Comput Co Ltd プロジェクタ
JP4155890B2 (ja) * 2003-07-15 2008-09-24 カシオ計算機株式会社 プロジェクタ、プロジェクタの傾斜角度取得方法及び投影像補正方法
JP3969363B2 (ja) * 2003-07-30 2007-09-05 カシオ計算機株式会社 プロジェクタ及びプロジェクタの投影像補正方法
JP4020043B2 (ja) * 2003-08-25 2007-12-12 カシオ計算機株式会社 投影装置、投影方法及びプログラム
JP4644540B2 (ja) 2005-06-28 2011-03-02 富士通株式会社 撮像装置
JP4799216B2 (ja) * 2006-03-03 2011-10-26 富士通株式会社 距離測定機能を有する撮像装置
US7564548B2 (en) 2006-03-28 2009-07-21 Axsun Technologies, Inc. Low pixel count tunable laser raman spectroscopy system and method
EP2053348A1 (de) * 2007-10-23 2009-04-29 Texmag GmbH Vertriebsgesellschaft Verfahren und Vorrichtung zur optischen Erfassung eines Objekts
US20110019243A1 (en) * 2009-07-21 2011-01-27 Constant Jr Henry J Stereoscopic form reader
US8428394B2 (en) * 2010-05-25 2013-04-23 Marcus KRIETER System and method for resolving spatial orientation using intelligent optical selectivity
US10521931B2 (en) 2014-12-19 2019-12-31 Hewlett-Packard Development Company, L.P. Determine image capture position information based on a quasi-periodic pattern
US10958841B2 (en) 2017-01-06 2021-03-23 Intel Corporation Integrated image sensor and display pixel
JP2018117309A (ja) * 2017-01-20 2018-07-26 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、画像処理方法および画像処理システム
CN109445726B (zh) * 2018-11-09 2021-11-23 珠海奔彩打印科技有限公司 一种多方向旋转编辑打印内容的打印装置及打印方法
US10832045B2 (en) * 2019-01-10 2020-11-10 Microsoft Technology Licensing, Llc Camera environment mapping
US11211433B2 (en) 2020-05-04 2021-12-28 Intel Corporation In-display sensors and viewing angle adjustment microassemblies
US10991081B1 (en) 2020-12-31 2021-04-27 VoyagerX, Inc. Book scanning using machine-trained model
US11030488B1 (en) 2020-12-31 2021-06-08 VoyagerX, Inc. Book scanning using machine-trained model

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2514930A1 (de) 1975-04-05 1976-10-14 Opto Produkte Ag Verfahren zur optischen ermittlung und zum vergleich von formen und lagen von objekten
JPS60167069A (ja) * 1984-02-09 1985-08-30 Omron Tateisi Electronics Co 図形認識装置
US4914460A (en) 1987-05-29 1990-04-03 Harbor Branch Oceanographic Institution Inc. Apparatus and methods of determining distance and orientation
EP0356680A1 (de) * 1988-08-11 1990-03-07 Siemens Aktiengesellschaft Optische Aufnahmeeinrichtung für Bildverarbeitungssysteme
US6133951A (en) * 1994-05-10 2000-10-17 Asahi Kogaku Kogyo Kabushiki Kaisha Still-video camera with function setting operation
US5793901A (en) * 1994-09-30 1998-08-11 Omron Corporation Device and method to detect dislocation of object image data
JPH08336069A (ja) * 1995-04-13 1996-12-17 Eastman Kodak Co 電子スチルカメラ
US5753931A (en) 1995-07-13 1998-05-19 Nike, Inc. Object imaging device and method using line striping
US6034379A (en) * 1996-03-01 2000-03-07 Intermec Ip Corp. Code reader having replaceable optics assemblies supporting multiple illuminators
US6003773A (en) * 1996-03-01 1999-12-21 Intermec Ip Corp. Tablet style indicia reader with system for handling multiple indicia
US6449004B1 (en) * 1996-04-23 2002-09-10 Minolta Co., Ltd. Electronic camera with oblique view correction
US6026186A (en) * 1997-11-17 2000-02-15 Xerox Corporation Line and curve detection using local information
GB2359895B (en) * 2000-03-03 2003-09-10 Hewlett Packard Co Camera projected viewfinder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7224397B2 (en) 2001-08-29 2007-05-29 Mega Chips Corporation AF control apparatus and AF control method

Also Published As

Publication number Publication date
EP0974811A1 (en) 2000-01-26
US6741279B1 (en) 2004-05-25
DE69921559D1 (de) 2004-12-09
EP0974811B1 (en) 2004-11-03
DE69921559T2 (de) 2005-10-27

Similar Documents

Publication Publication Date Title
JP2000089092A (ja) ディジタルカメラによる文書撮像技術
US8243286B2 (en) Device and method for the contactless detection of a three-dimensional contour
US7627196B2 (en) Image processing device and image capturing device
JPH1065882A (ja) 媒体表面形状データ取得方法
TWI510052B (zh) 掃描裝置
JP2000354192A5 (enExample)
US11481917B2 (en) Compensation of three-dimensional measuring instrument having an autofocus camera
US12299932B2 (en) Compensation of three-dimensional measuring instrument having an autofocus camera
JP3986748B2 (ja) ３次元画像検出装置
JP2001330915A (ja) 立体画像撮影方法及び撮影補助具
JP2010176325A (ja) 任意視点画像生成装置及び任意視点画像生成方法
JPH10320558A (ja) キャリブレーション方法並びに対応点探索方法及び装置並びに焦点距離検出方法及び装置並びに３次元位置情報検出方法及び装置並びに記録媒体
JPH09145318A (ja) 三次元計測装置
CN110324513A (zh) 摄像装置，摄像模块和摄像方法
WO2025103219A1 (zh) 摄像模组、电子设备、对焦方法、装置及可读存储介质
JP6303545B2 (ja) 計測装置、投影装置、計測方法、及びプログラム
JP3711808B2 (ja) 形状計測装置および形状計測方法
JPH05322526A (ja) ３次元形状測定装置
JP2020067511A (ja) カメラシステム、その制御方法およびプログラム
JPH07140373A (ja) 画像入力装置
JP4390779B2 (ja) 画像入力装置
JP3207166B2 (ja) 撮像装置
US10095014B2 (en) Optical apparatuses to collect three-dimensional information of an object
JP3207169B2 (ja) 撮像装置
JP4046282B2 (ja) レンジファインダ

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060712

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20060712

A761 Written withdrawal of application

Free format text: JAPANESE INTERMEDIATE CODE: A761

Effective date: 20080527