JP4641414B2 - 文書画像検索装置、文書画像検索方法、プログラム、記憶媒体 - Google Patents

文書画像検索装置、文書画像検索方法、プログラム、記憶媒体 Download PDF

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JP4641414B2
JP4641414B2 JP2004354702A JP2004354702A JP4641414B2 JP 4641414 B2 JP4641414 B2 JP 4641414B2 JP 2004354702 A JP2004354702 A JP 2004354702A JP 2004354702 A JP2004354702 A JP 2004354702A JP 4641414 B2 JP4641414 B2 JP 4641414B2
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search
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JP2006163841A5 (enExample
JP2006163841A (ja
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弘隆 椎山
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Canon Inc
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Canon Inc
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Priority to DE602005015534T priority patent/DE602005015534D1/de
Priority to EP05257528A priority patent/EP1669908B1/en
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    • 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
    • G06V30/40—Document-oriented image-based pattern recognition
    • G06V30/41—Analysis of document content
    • G06V30/413—Classification of content, e.g. text, photographs or tables
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
    • G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
    • G06V10/751—Comparing pixel values or logical combinations thereof, or feature values having positional relevance, e.g. template matching
    • 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
    • G06V30/40—Document-oriented image-based pattern recognition
    • G06V30/41—Analysis of document content
    • G06V30/414—Extracting the geometrical structure, e.g. layout tree; Block segmentation, e.g. bounding boxes for graphics or text

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  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Geometry (AREA)
  • Computer Graphics (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • Databases & Information Systems (AREA)
  • Evolutionary Computation (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Software Systems (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Processing Or Creating Images (AREA)
  • Image Analysis (AREA)
JP2004354702A 2004-12-07 2004-12-07 文書画像検索装置、文書画像検索方法、プログラム、記憶媒体 Expired - Fee Related JP4641414B2 (ja)

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Application Number Priority Date Filing Date Title
JP2004354702A JP4641414B2 (ja) 2004-12-07 2004-12-07 文書画像検索装置、文書画像検索方法、プログラム、記憶媒体
US11/291,981 US7508998B2 (en) 2004-12-07 2005-12-02 Image search apparatus, image search method, program, and storage medium
DE602005015534T DE602005015534D1 (de) 2004-12-07 2005-12-07 Bildsuchvorrichtung, Bildsuchverfahren, Programm und Speichermedium
EP05257528A EP1669908B1 (en) 2004-12-07 2005-12-07 Image search apparatus, image search method, program, and storage medium

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JP2004354702A JP4641414B2 (ja) 2004-12-07 2004-12-07 文書画像検索装置、文書画像検索方法、プログラム、記憶媒体

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JP2006163841A5 JP2006163841A5 (enExample) 2008-01-31
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US20060120627A1 (en) 2006-06-08
EP1669908B1 (en) 2009-07-22
DE602005015534D1 (de) 2009-09-03
EP1669908A2 (en) 2006-06-14
EP1669908A3 (en) 2007-04-25
JP2006163841A (ja) 2006-06-22
US7508998B2 (en) 2009-03-24

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