JP3754716B2 - 文書のテキスト及び／または非テキストブロックの選択方法及び装置 - Google Patents

文書のテキスト及び／または非テキストブロックの選択方法及び装置 Download PDF

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JP3754716B2
JP3754716B2 JP32095594A JP32095594A JP3754716B2 JP 3754716 B2 JP3754716 B2 JP 3754716B2 JP 32095594 A JP32095594 A JP 32095594A JP 32095594 A JP32095594 A JP 32095594A JP 3754716 B2 JP3754716 B2 JP 3754716B2
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JPH07234918A (ja
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ワング シン・ヤン
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Canon Inc
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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
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/14—Image acquisition
    • G06V30/146—Aligning or centring of the image pick-up or image-field
    • G06V30/1463—Orientation detection or correction, e.g. rotation of multiples of 90 degrees
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Character Input (AREA)
  • Character Discrimination (AREA)
JP32095594A 1993-12-22 1994-12-22 文書のテキスト及び／または非テキストブロックの選択方法及び装置 Expired - Fee Related JP3754716B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/171,720 US5588072A (en) 1993-12-22 1993-12-22 Method and apparatus for selecting blocks of image data from image data having both horizontally- and vertically-oriented blocks
US08/171720 1993-12-22

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JPH07234918A JPH07234918A (ja) 1995-09-05
JP3754716B2 true JP3754716B2 (ja) 2006-03-15

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JP32095594A Expired - Fee Related JP3754716B2 (ja) 1993-12-22 1994-12-22 文書のテキスト及び／または非テキストブロックの選択方法及び装置

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US (2) US5588072A (enExample)
EP (2) EP0660256B1 (enExample)
JP (1) JP3754716B2 (enExample)
DE (2) DE69432942D1 (enExample)
SG (1) SG98357A1 (enExample)
TW (1) TW258803B (enExample)

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EP0660256A2 (en) 1995-06-28
EP0660256A3 (en) 1996-03-20
EP0660256B1 (en) 2003-05-02
EP1061469A1 (en) 2000-12-20
EP1061469B1 (en) 2003-07-09
JPH07234918A (ja) 1995-09-05
US5588072A (en) 1996-12-24
DE69432585D1 (de) 2003-06-05
SG98357A1 (en) 2003-09-19
DE69432585T2 (de) 2004-04-08
TW258803B (enExample) 1995-10-01
US5854853A (en) 1998-12-29
DE69432942D1 (de) 2003-08-14

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