WO2002056255A2 - Methods and apparatus for analyzing an image - Google Patents

Methods and apparatus for analyzing an image Download PDF

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Publication number
WO2002056255A2
WO2002056255A2 PCT/US2001/045584 US0145584W WO02056255A2 WO 2002056255 A2 WO2002056255 A2 WO 2002056255A2 US 0145584 W US0145584 W US 0145584W WO 02056255 A2 WO02056255 A2 WO 02056255A2
Authority
WO
WIPO (PCT)
Prior art keywords
image
pixels
blob
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.)
Ceased
Application number
PCT/US2001/045584
Other languages
English (en)
French (fr)
Other versions
WO2002056255A3 (en
Inventor
Jian 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.)
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
Priority to AU2002239437A priority Critical patent/AU2002239437A1/en
Priority to DE60118240T priority patent/DE60118240T2/de
Priority to EP01987198A priority patent/EP1334462B1/en
Priority to JP2002556841A priority patent/JP4098087B2/ja
Publication of WO2002056255A2 publication Critical patent/WO2002056255A2/en
Publication of WO2002056255A3 publication Critical patent/WO2002056255A3/en
Anticipated expiration legal-status Critical
Ceased 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)
PCT/US2001/045584 2000-11-09 2001-10-25 Methods and apparatus for analyzing an image Ceased WO2002056255A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU2002239437A AU2002239437A1 (en) 2000-11-09 2001-10-25 Methods and apparatus for analyzing an image
DE60118240T DE60118240T2 (de) 2000-11-09 2001-10-25 Methode zur bildanalyse
EP01987198A EP1334462B1 (en) 2000-11-09 2001-10-25 Method for analyzing an image
JP2002556841A JP4098087B2 (ja) 2000-11-09 2001-10-25 画像を分析するための方法及び装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/709,685 2000-11-09
US09/709,685 US7672022B1 (en) 2000-04-07 2000-11-09 Methods and apparatus for analyzing an image

Publications (2)

Publication Number Publication Date
WO2002056255A2 true WO2002056255A2 (en) 2002-07-18
WO2002056255A3 WO2002056255A3 (en) 2002-10-31

Family

ID=24850914

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/045584 Ceased WO2002056255A2 (en) 2000-11-09 2001-10-25 Methods and apparatus for analyzing an image

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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EP1564683A1 (en) * 2004-02-12 2005-08-17 Xerox Corporation System and method for connecting regions of image data having similar characteristics
EP1564685A2 (en) 2004-02-12 2005-08-17 Xerox Corporation Systems and methods for generating high compression image data files having multiple foreground planes
EP1564684A2 (en) 2004-02-12 2005-08-17 Xerox Corporation Systems and methods for clustering image data
EP1566767A3 (en) * 2004-02-12 2008-07-02 Xerox Corporation Systems and methods for identifying regions within an image having similar continuity values
US8331680B2 (en) 2008-06-23 2012-12-11 International Business Machines Corporation Method of gray-level optical segmentation and isolation using incremental connected components
EP2453411A3 (en) * 2010-11-16 2013-02-27 Hand Held Products, Inc. Method and system operative to process monochrome image data
US8532374B2 (en) 2007-12-05 2013-09-10 Canon Kabushiki Kaisha Colour document layout analysis with multi-level decomposition
US8600158B2 (en) 2010-11-16 2013-12-03 Hand Held Products, Inc. Method and system operative to process color image data
US20210183042A1 (en) * 2018-12-03 2021-06-17 Mistras Group, Inc. Systems and methods for inspecting pipelines using a robotic imaging system
US11635391B2 (en) 2018-12-03 2023-04-25 Mistras Group, Inc. Systems and methods for inspecting pipelines using a pipeline inspection robot

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JP4952627B2 (ja) * 2008-03-21 2012-06-13 富士通株式会社 画像処理装置、画像処理方法および画像処理プログラム
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US10402790B1 (en) 2015-05-28 2019-09-03 United Services Automobile Association (Usaa) Composing a focused document image from multiple image captures or portions of multiple image captures
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JP6173542B1 (ja) * 2016-08-10 2017-08-02 株式会社Pfu 画像処理装置、画像処理方法、および、プログラム
CN107784301B (zh) * 2016-08-31 2021-06-11 百度在线网络技术（北京）有限公司 用于识别图像中文字区域的方法和装置
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US7403661B2 (en) 2004-02-12 2008-07-22 Xerox Corporation Systems and methods for generating high compression image data files having multiple foreground planes
EP1566767A3 (en) * 2004-02-12 2008-07-02 Xerox Corporation Systems and methods for identifying regions within an image having similar continuity values
EP1564684A2 (en) 2004-02-12 2005-08-17 Xerox Corporation Systems and methods for clustering image data
JP2005228331A (ja) * 2004-02-12 2005-08-25 Xerox Corp 類似の特徴を有する画像データの領域を互いに接続するシステム及び方法
JP2005228341A (ja) * 2004-02-12 2005-08-25 Xerox Corp 画像データを領域へ編成するシステムおよび方法
EP1564684A3 (en) * 2004-02-12 2007-12-05 Xerox Corporation Systems and methods for clustering image data
US7343046B2 (en) 2004-02-12 2008-03-11 Xerox Corporation Systems and methods for organizing image data into regions
EP1564685A3 (en) * 2004-02-12 2008-03-12 Xerox Corporation Systems and methods for generating high compression image data files having multiple foreground planes
US7386166B2 (en) 2004-02-12 2008-06-10 Xerox Corporation Systems and methods for connecting regions image data having similar characteristics
EP1564685A2 (en) 2004-02-12 2005-08-17 Xerox Corporation Systems and methods for generating high compression image data files having multiple foreground planes
EP1564683A1 (en) * 2004-02-12 2005-08-17 Xerox Corporation System and method for connecting regions of image data having similar characteristics
US8532374B2 (en) 2007-12-05 2013-09-10 Canon Kabushiki Kaisha Colour document layout analysis with multi-level decomposition
US8331680B2 (en) 2008-06-23 2012-12-11 International Business Machines Corporation Method of gray-level optical segmentation and isolation using incremental connected components
EP2453411A3 (en) * 2010-11-16 2013-02-27 Hand Held Products, Inc. Method and system operative to process monochrome image data
US8571307B2 (en) 2010-11-16 2013-10-29 Hand Held Products, Inc. Method and system operative to process monochrome image data
US8600158B2 (en) 2010-11-16 2013-12-03 Hand Held Products, Inc. Method and system operative to process color image data
US8849019B2 (en) 2010-11-16 2014-09-30 Hand Held Products, Inc. Method and system operative to process color image data
US20210183042A1 (en) * 2018-12-03 2021-06-17 Mistras Group, Inc. Systems and methods for inspecting pipelines using a robotic imaging system
US11587217B2 (en) * 2018-12-03 2023-02-21 Mistras Group, Inc. Systems and methods for inspecting pipelines using a robotic imaging system
US11635391B2 (en) 2018-12-03 2023-04-25 Mistras Group, Inc. Systems and methods for inspecting pipelines using a pipeline inspection robot
US11887291B2 (en) 2018-12-03 2024-01-30 Mistras Group, Inc. Systems and methods for inspecting pipelines using a robotic imaging system
US11946882B2 (en) 2018-12-03 2024-04-02 Mistras Group, Inc. Systems and methods for inspecting pipelines using a pipeline inspection robot

Also Published As

Publication number Publication date
DE60118240D1 (de) 2006-05-11
JP4098087B2 (ja) 2008-06-11
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
DE60118240T2 (de) 2006-09-07

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