DE69130655D1 - Verfahren und Gerät zur Bildverarbeitung - Google Patents

Verfahren und Gerät zur Bildverarbeitung

Info

Publication number
DE69130655D1
DE69130655D1 DE69130655T DE69130655T DE69130655D1 DE 69130655 D1 DE69130655 D1 DE 69130655D1 DE 69130655 T DE69130655 T DE 69130655T DE 69130655 T DE69130655 T DE 69130655T DE 69130655 D1 DE69130655 D1 DE 69130655D1
Authority
DE
Germany
Prior art keywords
image processing
processing method
image
processing
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
DE69130655T
Other languages
English (en)
Other versions
DE69130655T2 (de
Inventor
Tetsuomi Tanaka
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Publication of DE69130655D1 publication Critical patent/DE69130655D1/de
Application granted granted Critical
Publication of DE69130655T2 publication Critical patent/DE69130655T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G06V30/16—Image preprocessing
    • G06V30/166—Normalisation of pattern dimensions
    • 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
DE69130655T 1990-05-15 1991-05-14 Verfahren und Gerät zur Bildverarbeitung Expired - Fee Related DE69130655T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2125935A JPH0424781A (ja) 1990-05-15 1990-05-15 文書処理装置

Publications (2)

Publication Number Publication Date
DE69130655D1 true DE69130655D1 (de) 1999-02-04
DE69130655T2 DE69130655T2 (de) 1999-06-17

Family

ID=14922607

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69130655T Expired - Fee Related DE69130655T2 (de) 1990-05-15 1991-05-14 Verfahren und Gerät zur Bildverarbeitung

Country Status (4)

Country Link
US (1) US5784501A (de)
EP (1) EP0457545B1 (de)
JP (1) JPH0424781A (de)
DE (1) DE69130655T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06251199A (ja) * 1993-02-26 1994-09-09 N T T Data Tsushin Kk 文字認識前処理装置
US6256412B1 (en) * 1996-03-04 2001-07-03 Ricoh Company, Ltd. Image recognition method and apparatus using image rotation information
JPH09259219A (ja) * 1996-03-26 1997-10-03 Sharp Corp 文字認識方法
US6215901B1 (en) * 1997-03-07 2001-04-10 Mark H. Schwartz Pen based computer handwriting instruction
US6975425B1 (en) * 1998-02-26 2005-12-13 Canon Kabushiki Kaisha Information processing apparatus and information processing method
US6882746B1 (en) * 1999-02-01 2005-04-19 Thomson Licensing S.A. Normalized bitmap representation of visual object's shape for search/query/filtering applications
JP4189506B2 (ja) * 2000-06-09 2008-12-03 コニカミノルタビジネステクノロジーズ株式会社 画像処理のための装置、方法及び記録媒体
US20070139412A1 (en) * 2005-12-19 2007-06-21 Microsoft Corporation Automatic font control value determination
JP4633683B2 (ja) 2006-07-31 2011-02-16 シャープ株式会社 現像装置およびこれを備えた画像形成装置
JP4915855B2 (ja) * 2007-02-05 2012-04-11 三甲株式会社 Ｉｃタグホルダ
JP2008282327A (ja) * 2007-05-14 2008-11-20 Sharp Corp 文字対称性判定方法及び文字対称性判定装置
US8582889B2 (en) * 2010-01-08 2013-11-12 Qualcomm Incorporated Scale space normalization technique for improved feature detection in uniform and non-uniform illumination changes

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3710323A (en) * 1971-12-13 1973-01-09 Ibm Pattern-size normalizing for recognition apparatus
US4173015A (en) * 1978-08-16 1979-10-30 Recognition Equipment Incorporated System and method for character presence detection
JPS5599680A (en) * 1979-01-24 1980-07-29 Toshiba Corp Character reading control system
US4658424A (en) * 1981-03-05 1987-04-14 Texas Instruments Incorporated Speech synthesis integrated circuit device having variable frame rate capability
JPS5856079A (ja) * 1981-09-29 1983-04-02 Ricoh Co Ltd 光学文字読取装置における文字切出装置
JPS5887652A (ja) * 1981-11-19 1983-05-25 Ricoh Co Ltd 画像処理装置
JPS58114176A (ja) * 1981-12-26 1983-07-07 Fujitsu Ltd 図形認識装置
JPS5978949A (ja) * 1983-02-28 1984-05-08 Toshiba Corp 光フアイバ−用被覆ガラス
JPS60126779A (ja) * 1983-12-13 1985-07-06 Ricoh Co Ltd 画像正規化装置
JPS6220069A (ja) * 1985-07-19 1987-01-28 Canon Inc 画像情報変換方式
JPS62147584A (ja) * 1985-12-23 1987-07-01 Toshiba Corp 文字読取装置
JPS62166486A (ja) * 1986-01-20 1987-07-22 Matsushita Electric Ind Co Ltd 文字図形読取装置
JP2503208B2 (ja) * 1986-01-20 1996-06-05 株式会社リコー 名刺画像処理方法
FR2608295B1 (fr) * 1986-12-12 1989-03-31 France Etat Procede et dispositif de reconnaissance de caracteres
US5136659A (en) * 1987-06-30 1992-08-04 Kokusai Denshin Denwa Kabushiki Kaisha Intelligent coding system for picture signal
JP3046027B2 (ja) * 1987-08-05 2000-05-29 キヤノン株式会社 文字処理方法
US5062141A (en) * 1988-06-02 1991-10-29 Ricoh Company, Ltd. Method of segmenting characters in lines which may be skewed, for allowing improved optical character recognition
US5077811A (en) * 1990-10-10 1991-12-31 Fuji Xerox Co., Ltd. Character and picture image data processing system

Also Published As

Publication number Publication date
US5784501A (en) 1998-07-21
EP0457545A3 (en) 1993-08-11
EP0457545B1 (de) 1998-12-23
JPH0424781A (ja) 1992-01-28
EP0457545A2 (de) 1991-11-21
DE69130655T2 (de) 1999-06-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee