AU2001284710A1 - Method and apparatus for selective processing of captured images - Google Patents

Method and apparatus for selective processing of captured images

Info

Publication number
AU2001284710A1
AU2001284710A1 AU2001284710A AU8471001A AU2001284710A1 AU 2001284710 A1 AU2001284710 A1 AU 2001284710A1 AU 2001284710 A AU2001284710 A AU 2001284710A AU 8471001 A AU8471001 A AU 8471001A AU 2001284710 A1 AU2001284710 A1 AU 2001284710A1
Authority
AU
Australia
Prior art keywords
captured images
selective processing
selective
processing
captured
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.)
Abandoned
Application number
AU2001284710A
Inventor
David D. S. Poor
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.)
CTB McGraw Hill LLC
Original Assignee
CTB McGraw Hill LLC
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 CTB McGraw Hill LLC filed Critical CTB McGraw Hill LLC
Publication of AU2001284710A1 publication Critical patent/AU2001284710A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/12—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using a selected wavelength, e.g. to sense red marks and ignore blue marks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • G06K17/0032—Apparatus for automatic testing and analysing marked record carriers, used for examinations of the multiple choice answer type
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
    • G06K7/1404—Methods for optical code recognition
    • G06K7/1439—Methods for optical code recognition including a method step for retrieval of the optical code
    • G06K7/1447—Methods for optical code recognition including a method step for retrieval of the optical code extracting optical codes from image or text carrying said optical code
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/12—Details of acquisition arrangements; Constructional details thereof
    • G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
    • G06V10/143—Sensing or illuminating at different wavelengths
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/22—Image preprocessing by selection of a specific region containing or referencing a pattern; Locating or processing of specific regions to guide the detection or recognition
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/24—Aligning, centring, orientation detection or correction of the image
    • G06V10/242—Aligning, centring, orientation detection or correction of the image by image rotation, e.g. by 90 degrees
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/25—Determination of region of interest [ROI] or a volume of interest [VOI]

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Toxicology (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Color Image Communication Systems (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Facsimiles In General (AREA)
AU2001284710A 2000-08-11 2001-08-02 Method and apparatus for selective processing of captured images Abandoned AU2001284710A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US22432700P 2000-08-11 2000-08-11
US60/224,327 2000-08-11
PCT/US2001/024464 WO2002015558A2 (en) 2000-08-11 2001-08-02 Method and apparatus for selective processing of captured images

Publications (1)

Publication Number Publication Date
AU2001284710A1 true AU2001284710A1 (en) 2002-02-25

Family

ID=22840177

Family Applications (2)

Application Number Title Priority Date Filing Date
AU2001264956A Abandoned AU2001264956A1 (en) 2000-08-11 2001-05-25 Enhanced data capture from imaged documents
AU2001284710A Abandoned AU2001284710A1 (en) 2000-08-11 2001-08-02 Method and apparatus for selective processing of captured images

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AU2001264956A Abandoned AU2001264956A1 (en) 2000-08-11 2001-05-25 Enhanced data capture from imaged documents

Country Status (3)

Country Link
US (3) US7573616B2 (en)
AU (2) AU2001264956A1 (en)
WO (2) WO2002015170A2 (en)

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Also Published As

Publication number Publication date
WO2002015170A3 (en) 2002-04-25
US20080316552A1 (en) 2008-12-25
US20040126036A1 (en) 2004-07-01
AU2001264956A1 (en) 2002-02-25
WO2002015558A3 (en) 2002-08-29
WO2002015558A2 (en) 2002-02-21
US7417774B2 (en) 2008-08-26
US20040131279A1 (en) 2004-07-08
US7573616B2 (en) 2009-08-11
WO2002015170A2 (en) 2002-02-21
US7911660B2 (en) 2011-03-22

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