AU2002210786A1 - Method for enhancing compressibility and visual quality of scanned document images - Google Patents

Method for enhancing compressibility and visual quality of scanned document images

Info

Publication number
AU2002210786A1
AU2002210786A1 AU2002210786A AU1078602A AU2002210786A1 AU 2002210786 A1 AU2002210786 A1 AU 2002210786A1 AU 2002210786 A AU2002210786 A AU 2002210786A AU 1078602 A AU1078602 A AU 1078602A AU 2002210786 A1 AU2002210786 A1 AU 2002210786A1
Authority
AU
Australia
Prior art keywords
visual quality
scanned document
document images
compressibility
enhancing
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
AU2002210786A
Inventor
Danny Barash
Ron P Maurer
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 AU2002210786A1 publication Critical patent/AU2002210786A1/en
Abandoned 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
    • H04N1/409—Edge or detail enhancement; Noise or error suppression
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/16—Image preprocessing
    • G06V30/164—Noise filtering
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/16—Image preprocessing
    • G06V30/168—Smoothing or thinning of the pattern; Skeletonisation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
AU2002210786A 2000-09-29 2001-10-01 Method for enhancing compressibility and visual quality of scanned document images Abandoned AU2002210786A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/675,270 US6731821B1 (en) 2000-09-29 2000-09-29 Method for enhancing compressibility and visual quality of scanned document images
US09675270 2000-09-29
PCT/IB2001/001799 WO2002028087A1 (en) 2000-09-29 2001-10-01 Method for enhancing compressibility and visual quality of scanned document images

Publications (1)

Publication Number Publication Date
AU2002210786A1 true AU2002210786A1 (en) 2002-04-08

Family

ID=24709745

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002210786A Abandoned AU2002210786A1 (en) 2000-09-29 2001-10-01 Method for enhancing compressibility and visual quality of scanned document images

Country Status (5)

Country Link
US (2) US6731821B1 (en)
EP (1) EP1320987B1 (en)
AU (1) AU2002210786A1 (en)
DE (1) DE60111756T2 (en)
WO (1) WO2002028087A1 (en)

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Also Published As

Publication number Publication date
WO2002028087A1 (en) 2002-04-04
US20050041883A1 (en) 2005-02-24
EP1320987B1 (en) 2005-06-29
DE60111756D1 (en) 2005-08-04
EP1320987A1 (en) 2003-06-25
DE60111756T2 (en) 2006-03-16
US6731821B1 (en) 2004-05-04

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