[go: up one dir, main page]

DE69813416D1 - Vorrichtungen zur Linienrichtungsbestimmung, Bildschrägeerfassung und Bildschrägekorrektur. - Google Patents

Vorrichtungen zur Linienrichtungsbestimmung, Bildschrägeerfassung und Bildschrägekorrektur.

Info

Publication number
DE69813416D1
DE69813416D1 DE69813416T DE69813416T DE69813416D1 DE 69813416 D1 DE69813416 D1 DE 69813416D1 DE 69813416 T DE69813416 T DE 69813416T DE 69813416 T DE69813416 T DE 69813416T DE 69813416 D1 DE69813416 D1 DE 69813416D1
Authority
DE
Germany
Prior art keywords
image angle
determining
devices
line direction
angle detection
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 - Lifetime
Application number
DE69813416T
Other languages
English (en)
Other versions
DE69813416T2 (de
Inventor
Hisashi Saiga
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Application granted granted Critical
Publication of DE69813416D1 publication Critical patent/DE69813416D1/de
Publication of DE69813416T2 publication Critical patent/DE69813416T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G06V30/1463—Orientation detection or correction, e.g. rotation of multiples of 90 degrees
    • 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
    • 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
    • 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
    • G06V30/28—Character recognition specially adapted to the type of the alphabet, e.g. Latin alphabet
    • G06V30/287—Character recognition specially adapted to the type of the alphabet, e.g. Latin alphabet of Kanji, Hiragana or Katakana characters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Character Input (AREA)
  • Image Analysis (AREA)
DE69813416T 1997-08-29 1998-08-06 Vorrichtungen zur Linienrichtungsbestimmung, Bildschrägeerfassung und Bildschrägekorrektur. Expired - Lifetime DE69813416T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP23362697A JP3471578B2 (ja) 1997-08-29 1997-08-29 行方向判定装置、画像傾き検出装置及び画像傾き補正装置
JP23362697 1997-08-29

Publications (2)

Publication Number Publication Date
DE69813416D1 true DE69813416D1 (de) 2003-05-22
DE69813416T2 DE69813416T2 (de) 2004-03-25

Family

ID=16958002

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69813416T Expired - Lifetime DE69813416T2 (de) 1997-08-29 1998-08-06 Vorrichtungen zur Linienrichtungsbestimmung, Bildschrägeerfassung und Bildschrägekorrektur.

Country Status (4)

Country Link
US (1) US6532303B2 (de)
EP (1) EP0899679B1 (de)
JP (1) JP3471578B2 (de)
DE (1) DE69813416T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002358514A (ja) * 2000-12-14 2002-12-13 Ricoh Co Ltd 画像歪み補正装置、プログラム、記憶媒体、画像歪み補正方法、画像読取装置および画像形成装置
US7411593B2 (en) * 2001-03-28 2008-08-12 International Business Machines Corporation Image rotation with substantially no aliasing error
US6999207B2 (en) * 2001-09-19 2006-02-14 Kabushiki Kaisha Toshiba Image processing apparatus, image forming apparatus, and method of them
US7286718B2 (en) 2004-01-26 2007-10-23 Sri International Method and apparatus for determination of text orientation
KR100774479B1 (ko) * 2004-07-06 2007-11-08 엘지전자 주식회사 휴대단말기의 영상신호 기울기 보정장치 및 방법
JP4553241B2 (ja) * 2004-07-20 2010-09-29 株式会社リコー 文字方向識別装置、文書処理装置及びプログラム並びに記憶媒体
JP4605260B2 (ja) * 2008-06-18 2011-01-05 コニカミノルタビジネステクノロジーズ株式会社 ベクタ画像生成方法、画像処理装置、およびコンピュータプログラム
US9734132B1 (en) * 2011-12-20 2017-08-15 Amazon Technologies, Inc. Alignment and reflow of displayed character images
WO2013094154A1 (ja) * 2011-12-21 2013-06-27 パナソニック株式会社 画像処理装置および画像処理方法
JP6105521B2 (ja) * 2014-06-24 2017-03-29 京セラドキュメントソリューションズ株式会社 画像処理装置、プログラム及び画像形成装置
CN106778733A (zh) * 2015-11-25 2017-05-31 中兴通讯股份有限公司 调整图片文字的显示方法及装置
JP7211166B2 (ja) * 2019-03-04 2023-01-24 京セラドキュメントソリューションズ株式会社 画像傾き角度検出装置、画像形成装置及び画像傾き角度検出プログラム
CN112241737B (zh) * 2020-11-12 2024-01-26 瞬联软件科技（北京）有限公司 文字图像校正方法和装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2597006B2 (ja) 1989-04-18 1997-04-02 シャープ株式会社 矩形座標抽出方法
US5191438A (en) * 1989-12-12 1993-03-02 Sharp Kabushiki Kaisha Facsimile device with skew correction and text line direction detection
US5245676A (en) 1989-12-21 1993-09-14 Xerox Corporation Determination of image skew angle from data including data in compressed form
JPH0766413B2 (ja) 1990-08-02 1995-07-19 富士ゼロックス株式会社 文書文字方向検出装置
JPH04195485A (ja) * 1990-11-28 1992-07-15 Hitachi Ltd 画像情報入力装置
JPH05225378A (ja) 1991-06-03 1993-09-03 Fujitsu Ltd 文書画像の領域分割システム
JP3361124B2 (ja) * 1991-07-30 2003-01-07 ゼロックス・コーポレーション テキストを含む２次元画像上での画像処理方法と画像処理装置
US5253307A (en) * 1991-07-30 1993-10-12 Xerox Corporation Image analysis to obtain typeface information
JP3058489B2 (ja) 1991-09-20 2000-07-04 シャープ株式会社 文字列抽出方法
JPH0737103A (ja) * 1993-07-23 1995-02-07 Olympus Optical Co Ltd 傾き角度検出装置
JP3050007B2 (ja) * 1993-08-26 2000-06-05 ミノルタ株式会社 画像読取装置およびこれを備えた画像形成装置
JP3108979B2 (ja) * 1994-07-28 2000-11-13 セイコーエプソン株式会社 画像処理方法および画像処理装置
JP3534128B2 (ja) * 1995-01-24 2004-06-07 オムロン株式会社 書類の上下方向検知方法及び装置
US5889884A (en) * 1995-05-23 1999-03-30 Minolta Co., Ltd. Image forming apparatus capable of recognizing top and bottom of document image

Also Published As

Publication number Publication date
DE69813416T2 (de) 2004-03-25
US6532303B2 (en) 2003-03-11
JP3471578B2 (ja) 2003-12-02
JPH1173475A (ja) 1999-03-16
EP0899679A3 (de) 2001-01-24
US20010046322A1 (en) 2001-11-29
EP0899679B1 (de) 2003-04-16
EP0899679A2 (de) 1999-03-03

Similar Documents

Publication Publication Date Title
BR0006449B1 (pt) aparelho de mediÇço e sistema de mediÇço compreendendo o mesmo.
BR9910478B1 (pt) sistema de marcação.
NO961327D0 (no) Klammeranordning for fastspenning av rör e.l.
DE59812495D1 (de) Winkelsensor
DE69904759D1 (de) Orientierungswinkeldetektor
BR9704486B1 (pt) sistema de medição.
BR9704528B1 (pt) aparelho de captação de imagem multidirecional.
DE69813416D1 (de) Vorrichtungen zur Linienrichtungsbestimmung, Bildschrägeerfassung und Bildschrägekorrektur.
DE69738575D1 (de) Farbkorrekturvorrichtung
DE69935115D1 (de) Dokumenteingabesystem
NL1012955A1 (nl) Plasma-adres beeldinrichting.
DE69933647D1 (de) Rekombinante lysophosphatidsäure - phosphatase.
HK1018725A1 (en) Image sensor.
DE10083849T1 (de) Bildverarbeitungssystem mit variabler Auflösung
HK1032112A1 (en) Distance-measuring device, distance-measuring method, and camera using the same.
DE59812166D1 (de) Winkelsensor
DE69835972D1 (de) Bildabtastgerät
DE69924562D1 (de) Bilderwärmungsgerät
IT1303609B1 (it) Sistema dinamico termico-fotovoltaico.
DE69825929D1 (de) Bildabtastgerät
NL1012941A1 (nl) Röntgenbeeld-apparaat.
ZA200203006B (en) Immobilised ionic liquids.
DE59708671D1 (de) Optischer sensor zur neigungswinkelbestimmung
BR9902453B1 (pt) Dispositivo de vedação.
DE69938684D1 (de) Bildprojektionsvorrichtung

Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication related to discontinuation of the patent is to be deleted
8364 No opposition during term of opposition