WO2007137014A3 - Line or text-based image processing tools - Google Patents

Line or text-based image processing tools Download PDF

Info

Publication number
WO2007137014A3
WO2007137014A3 PCT/US2007/068812 US2007068812W WO2007137014A3 WO 2007137014 A3 WO2007137014 A3 WO 2007137014A3 US 2007068812 W US2007068812 W US 2007068812W WO 2007137014 A3 WO2007137014 A3 WO 2007137014A3
Authority
WO
WIPO (PCT)
Prior art keywords
image processing
text
line
based image
processing tools
Prior art date
Application number
PCT/US2007/068812
Other languages
French (fr)
Other versions
WO2007137014A2 (en
Inventor
Xiaoyun Jiang
Chinchuan Andrew Chiu
Shuxue Quan
Original Assignee
Qualcomm Inc
Xiaoyun Jiang
Chinchuan Andrew Chiu
Shuxue Quan
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 Qualcomm Inc, Xiaoyun Jiang, Chinchuan Andrew Chiu, Shuxue Quan filed Critical Qualcomm Inc
Priority to EP07783683A priority Critical patent/EP2018767A2/en
Priority to KR1020087030767A priority patent/KR101059404B1/en
Priority to JP2009511186A priority patent/JP2009538057A/en
Publication of WO2007137014A2 publication Critical patent/WO2007137014A2/en
Publication of WO2007137014A3 publication Critical patent/WO2007137014A3/en

Links

Classifications

    • G06T5/80—
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/11—Region-based segmentation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/194—Segmentation; Edge detection involving foreground-background segmentation
    • 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
    • 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
    • H04N1/387—Composing, repositioning or otherwise geometrically modifying originals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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; CALCULATING OR 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Image Processing (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Facsimiles In General (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Stored Programmes (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

In accordance with one embodiment of the disclosure, apparatus are provided, including an image processor, a unique image processing mechanism, and a unique image processing activation mechanism. The image processor includes the unique image processing mechanism, which processes a certain type of image. The unique image processing activation mechanism causes the unique image processing mechanism to process a given image.
PCT/US2007/068812 2006-05-17 2007-05-11 Line or text-based image processing tools WO2007137014A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP07783683A EP2018767A2 (en) 2006-05-17 2007-05-11 Line or text-based image processing tools
KR1020087030767A KR101059404B1 (en) 2006-05-17 2007-05-11 Line or text-based image processing tool
JP2009511186A JP2009538057A (en) 2006-05-17 2007-05-11 Line or text-based image processing tool

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/436,470 US8306336B2 (en) 2006-05-17 2006-05-17 Line or text-based image processing tools
US11/436,470 2006-05-17

Publications (2)

Publication Number Publication Date
WO2007137014A2 WO2007137014A2 (en) 2007-11-29
WO2007137014A3 true WO2007137014A3 (en) 2008-04-17

Family

ID=38610798

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/068812 WO2007137014A2 (en) 2006-05-17 2007-05-11 Line or text-based image processing tools

Country Status (6)

Country Link
US (1) US8306336B2 (en)
EP (1) EP2018767A2 (en)
JP (2) JP2009538057A (en)
KR (1) KR101059404B1 (en)
CN (1) CN101444080A (en)
WO (1) WO2007137014A2 (en)

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US8306336B2 (en) * 2006-05-17 2012-11-06 Qualcomm Incorporated Line or text-based image processing tools
KR20110133699A (en) * 2010-06-07 2011-12-14 삼성전자주식회사 Apparatus and method for acquiring image in portable terminal
US8655071B2 (en) * 2011-02-24 2014-02-18 Sharp Laboratories Of America, Inc. Methods and systems for determining a document region-of-interest in an image
JP2014016383A (en) * 2012-07-05 2014-01-30 Toshiba Corp Image processing device and image display device
US9799106B2 (en) 2015-12-16 2017-10-24 Dropbox, Inc. Enhancing a digital image
US9824267B2 (en) * 2015-12-18 2017-11-21 Konica Minolta Laboratory U.S.A., Inc. Writing board detection and correction
RU2645267C2 (en) * 2016-04-13 2018-02-19 Открытое акционерное общество "Ракетно-космическая корпорация "Энергия" имени С.П. Королева" Telemetric information controlling method
US10805412B2 (en) 2017-05-15 2020-10-13 Microsoft Technology Licensing, Llc Automatic clean-up and sharing of image content
CN108305512A (en) * 2018-01-05 2018-07-20 珠海向导科技有限公司 A kind of classroom electronic notebook record system and method
US11501550B2 (en) * 2020-11-24 2022-11-15 International Business Machines Corporation Optical character recognition segmentation

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US4823194A (en) * 1986-08-01 1989-04-18 Hitachi, Ltd. Method for processing gray scale images and an apparatus thereof
US6301386B1 (en) * 1998-12-09 2001-10-09 Ncr Corporation Methods and apparatus for gray image based text identification
US6577762B1 (en) * 1999-10-26 2003-06-10 Xerox Corporation Background surface thresholding
DE102004054131A1 (en) * 2004-11-08 2006-05-11 Gkikas, Karolos, Glyfada A method for using portable, a digital camera or connectable to a digital camera connectable electronic devices for scanning a text and / or drawings or sketches comprising surface

Also Published As

Publication number Publication date
JP2009538057A (en) 2009-10-29
JP2013117970A (en) 2013-06-13
US20070268501A1 (en) 2007-11-22
US8306336B2 (en) 2012-11-06
EP2018767A2 (en) 2009-01-28
CN101444080A (en) 2009-05-27
KR20090016589A (en) 2009-02-16
WO2007137014A2 (en) 2007-11-29
KR101059404B1 (en) 2011-08-29

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