ATE309583T1 - Ermittlung der schräglage von dokumentenbildern - Google Patents

Ermittlung der schräglage von dokumentenbildern

Info

Publication number
ATE309583T1
ATE309583T1 AT03077642T AT03077642T ATE309583T1 AT E309583 T1 ATE309583 T1 AT E309583T1 AT 03077642 T AT03077642 T AT 03077642T AT 03077642 T AT03077642 T AT 03077642T AT E309583 T1 ATE309583 T1 AT E309583T1
Authority
AT
Austria
Prior art keywords
sub
alpha
run
length
image
Prior art date
Application number
AT03077642T
Other languages
English (en)
Inventor
Laurent Alain Najman
Original Assignee
Oce Print Logic Technologies S
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 Oce Print Logic Technologies S filed Critical Oce Print Logic Technologies S
Application granted granted Critical
Publication of ATE309583T1 publication Critical patent/ATE309583T1/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06V30/1475—Inclination or skew detection or correction of characters or of image to be recognised
    • G06V30/1478—Inclination or skew detection or correction of characters or of image to be recognised of characters or characters lines
AT03077642T 2002-08-27 2003-08-20 Ermittlung der schräglage von dokumentenbildern ATE309583T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02292100 2002-08-27

Publications (1)

Publication Number Publication Date
ATE309583T1 true ATE309583T1 (de) 2005-11-15

Family

ID=32050105

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03077642T ATE309583T1 (de) 2002-08-27 2003-08-20 Ermittlung der schräglage von dokumentenbildern

Country Status (4)

Country Link
US (1) US7277600B2 (de)
JP (1) JP4509512B2 (de)
AT (1) ATE309583T1 (de)
DE (1) DE60302191T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007207009A (ja) 2006-02-02 2007-08-16 Fujitsu Ltd 画像処理方法及び画像処理装置
US8249391B2 (en) * 2007-08-24 2012-08-21 Ancestry.com Operations, Inc. User interface method for skew correction
US8370759B2 (en) 2008-09-29 2013-02-05 Ancestry.com Operations Inc Visualizing, creating and editing blending modes methods and systems
TWI425444B (zh) * 2009-02-20 2014-02-01 Avermedia Information Inc 影像資料歪斜偵測校正方法與裝置
US20110052094A1 (en) * 2009-08-28 2011-03-03 Chunyu Gao Skew Correction for Scanned Japanese/English Document Images
CN111062264A (zh) * 2019-11-27 2020-04-24 重庆邮电大学 一种基于双通路混合卷积网络的文档对象分类方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2978496B2 (ja) * 1988-10-17 1999-11-15 株式会社日立製作所 画像処理装置
JP3038714B2 (ja) * 1988-12-22 2000-05-08 富士ゼロックス株式会社 文書傾き補正装置
JP3046652B2 (ja) * 1991-07-16 2000-05-29 シャープ株式会社 文字原稿の傾き補正方法
US5276742A (en) * 1991-11-19 1994-01-04 Xerox Corporation Rapid detection of page orientation
US5201011A (en) * 1991-11-19 1993-04-06 Xerox Corporation Method and apparatus for image hand markup detection using morphological techniques
US5848184A (en) * 1993-03-15 1998-12-08 Unisys Corporation Document page analyzer and method
JP3556406B2 (ja) * 1996-09-17 2004-08-18 株式会社東芝 区分機及び宛名認識装置
US20030190090A1 (en) * 2002-04-09 2003-10-09 Beeman Edward S. System and method for digital-image enhancement

Also Published As

Publication number Publication date
DE60302191D1 (de) 2005-12-15
JP2004094952A (ja) 2004-03-25
JP4509512B2 (ja) 2010-07-21
US20040120604A1 (en) 2004-06-24
DE60302191T2 (de) 2006-07-27
US7277600B2 (en) 2007-10-02

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