DE60118240T2 - Methode zur bildanalyse - Google Patents

Methode zur bildanalyse Download PDF

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Publication number
DE60118240T2
DE60118240T2 DE60118240T DE60118240T DE60118240T2 DE 60118240 T2 DE60118240 T2 DE 60118240T2 DE 60118240 T DE60118240 T DE 60118240T DE 60118240 T DE60118240 T DE 60118240T DE 60118240 T2 DE60118240 T2 DE 60118240T2
Authority
DE
Germany
Prior art keywords
image
blob
pixels
pixel
text
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
DE60118240T
Other languages
German (de)
English (en)
Other versions
DE60118240D1 (de
Inventor
Jian Cupertino Fan
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.)
Hewlett Packard Development Co LP
Original Assignee
Hewlett Packard Development Co LP
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 Development Co LP filed Critical Hewlett Packard Development Co LP
Publication of DE60118240D1 publication Critical patent/DE60118240D1/de
Application granted granted Critical
Publication of DE60118240T2 publication Critical patent/DE60118240T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration using local operators
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/73—Deblurring; Sharpening
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/12—Edge-based segmentation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06V30/14—Image acquisition
    • G06V30/148—Segmentation of character regions
    • G06V30/15—Cutting or merging image elements, e.g. region growing, watershed or clustering-based techniques
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06V30/18—Extraction of features or characteristics of the image
    • G06V30/18105—Extraction of features or characteristics of the image related to colour
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2200/00—Indexing scheme for image data processing or generation, in general
    • G06T2200/24—Indexing scheme for image data processing or generation, in general involving graphical user interfaces [GUIs]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10004—Still image; Photographic image
    • G06T2207/10008—Still image; Photographic image from scanner, fax or copier
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20172—Image enhancement details
    • G06T2207/20192—Edge enhancement; Edge preservation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30176—Document
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Multimedia (AREA)
  • Character Input (AREA)
  • Image Analysis (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
DE60118240T 2000-11-09 2001-10-25 Methode zur bildanalyse Expired - Fee Related DE60118240T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/709,685 US7672022B1 (en) 2000-04-07 2000-11-09 Methods and apparatus for analyzing an image
US709685 2000-11-09
PCT/US2001/045584 WO2002056255A2 (en) 2000-11-09 2001-10-25 Methods and apparatus for analyzing an image

Publications (2)

Publication Number Publication Date
DE60118240D1 DE60118240D1 (de) 2006-05-11
DE60118240T2 true DE60118240T2 (de) 2006-09-07

Family

ID=24850914

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60118240T Expired - Fee Related DE60118240T2 (de) 2000-11-09 2001-10-25 Methode zur bildanalyse

Country Status (6)

Country Link
US (1) US7672022B1 (enExample)
EP (1) EP1334462B1 (enExample)
JP (1) JP4098087B2 (enExample)
AU (1) AU2002239437A1 (enExample)
DE (1) DE60118240T2 (enExample)
WO (1) WO2002056255A2 (enExample)

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Also Published As

Publication number Publication date
DE60118240D1 (de) 2006-05-11
JP4098087B2 (ja) 2008-06-11
WO2002056255A2 (en) 2002-07-18
EP1334462A2 (en) 2003-08-13
AU2002239437A1 (en) 2002-07-24
EP1334462B1 (en) 2006-03-22
US7672022B1 (en) 2010-03-02
WO2002056255A3 (en) 2002-10-31
JP2004529404A (ja) 2004-09-24

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Owner name: HEWLETT-PACKARD DEVELOPMENT CO., L.P., HOUSTON, TE

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee