JP4027454B2 - ドキュメント画像傾き決定方法 - Google Patents

ドキュメント画像傾き決定方法

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Publication number
JP4027454B2
JP4027454B2 JP07675697A JP7675697A JP4027454B2 JP 4027454 B2 JP4027454 B2 JP 4027454B2 JP 07675697 A JP07675697 A JP 07675697A JP 7675697 A JP7675697 A JP 7675697A JP 4027454 B2 JP4027454 B2 JP 4027454B2
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JP
Japan
Prior art keywords
document image
image
pixel
pixels
scan
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
JP07675697A
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English (en)
Japanese (ja)
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JPH1031748A (ja
JPH1031748A5 (enExample
Inventor
ダニエル・アール・トゥリッター
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
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Hewlett Packard Co
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Filing date
Publication date
Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of JPH1031748A publication Critical patent/JPH1031748A/ja
Publication of JPH1031748A5 publication Critical patent/JPH1031748A5/ja
Application granted granted Critical
Publication of JP4027454B2 publication Critical patent/JP4027454B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/60—Rotation of whole images or parts thereof
    • G06T3/606—Rotation of whole images or parts thereof by memory addressing or mapping

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Character Input (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
  • Image Input (AREA)
JP07675697A 1996-04-04 1997-03-28 ドキュメント画像傾き決定方法 Expired - Fee Related JP4027454B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US628,044 1984-07-05
US08/628,044 US5901253A (en) 1996-04-04 1996-04-04 Image processing system with image cropping and skew correction

Publications (3)

Publication Number Publication Date
JPH1031748A JPH1031748A (ja) 1998-02-03
JPH1031748A5 JPH1031748A5 (enExample) 2004-09-02
JP4027454B2 true JP4027454B2 (ja) 2007-12-26

Family

ID=24517206

Family Applications (1)

Application Number Title Priority Date Filing Date
JP07675697A Expired - Fee Related JP4027454B2 (ja) 1996-04-04 1997-03-28 ドキュメント画像傾き決定方法

Country Status (4)

Country Link
US (1) US5901253A (enExample)
EP (1) EP0800148B1 (enExample)
JP (1) JP4027454B2 (enExample)
DE (1) DE69713941T2 (enExample)

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Also Published As

Publication number Publication date
EP0800148A2 (en) 1997-10-08
EP0800148A3 (en) 1998-11-25
US5901253A (en) 1999-05-04
DE69713941T2 (de) 2002-11-14
JPH1031748A (ja) 1998-02-03
DE69713941D1 (de) 2002-08-22
EP0800148B1 (en) 2002-07-17

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