DE69429847D1 - Bildverarbeitungsgerät und Verfahren zur Erkennung eines eingegebenen Bildes und Fotokopierer, der dasselbe einschliesst - Google Patents

Bildverarbeitungsgerät und Verfahren zur Erkennung eines eingegebenen Bildes und Fotokopierer, der dasselbe einschliesst

Info

Publication number
DE69429847D1
DE69429847D1 DE69429847T DE69429847T DE69429847D1 DE 69429847 D1 DE69429847 D1 DE 69429847D1 DE 69429847 T DE69429847 T DE 69429847T DE 69429847 T DE69429847 T DE 69429847T DE 69429847 D1 DE69429847 D1 DE 69429847D1
Authority
DE
Germany
Prior art keywords
recognizing
processing apparatus
same
image processing
input image
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
DE69429847T
Other languages
English (en)
Other versions
DE69429847T2 (de
Inventor
Tooru Fujii
Genki Yotsui
Tomohiko Hayakawa
Shinya Sonoda
Yoshinori Yamaguchi
Kouichi Oomae
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.)
Omron Corp
Original Assignee
Omron Corp
Omron Tateisi Electronics Co
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
Priority claimed from JP5281821A external-priority patent/JP3057981B2/ja
Application filed by Omron Corp, Omron Tateisi Electronics Co filed Critical Omron Corp
Application granted granted Critical
Publication of DE69429847D1 publication Critical patent/DE69429847D1/de
Publication of DE69429847T2 publication Critical patent/DE69429847T2/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
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/24—Aligning, centring, orientation detection or correction of the image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/44—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
    • G06V10/443—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components by matching or filtering
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
    • G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
DE69429847T 1993-10-14 1994-10-14 Bildverarbeitungsgerät und Verfahren zur Erkennung eines eingegebenen Bildes und Fotokopierer, der dasselbe einschliesst Expired - Fee Related DE69429847T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5281821A JP3057981B2 (ja) 1992-12-25 1993-10-14 画像処理装置及びそれを用いた複写機

Publications (2)

Publication Number Publication Date
DE69429847D1 true DE69429847D1 (de) 2002-03-21
DE69429847T2 DE69429847T2 (de) 2002-11-07

Family

ID=17644470

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69429847T Expired - Fee Related DE69429847T2 (de) 1993-10-14 1994-10-14 Bildverarbeitungsgerät und Verfahren zur Erkennung eines eingegebenen Bildes und Fotokopierer, der dasselbe einschliesst

Country Status (3)

Country Link
US (1) US6091844A (de)
EP (1) EP0649114B1 (de)
DE (1) DE69429847T2 (de)

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US6424725B1 (en) * 1996-05-16 2002-07-23 Digimarc Corporation Determining transformations of media signals with embedded code signals
US6549638B2 (en) 1998-11-03 2003-04-15 Digimarc Corporation Methods for evidencing illicit use of a computer system or device
US6408082B1 (en) * 1996-04-25 2002-06-18 Digimarc Corporation Watermark detection using a fourier mellin transform
US6449377B1 (en) 1995-05-08 2002-09-10 Digimarc Corporation Methods and systems for watermark processing of line art images
US6345104B1 (en) 1994-03-17 2002-02-05 Digimarc Corporation Digital watermarks and methods for security documents
US7113615B2 (en) 1993-11-18 2006-09-26 Digimarc Corporation Watermark embedder and reader
US8144368B2 (en) * 1998-01-20 2012-03-27 Digimarc Coporation Automated methods for distinguishing copies from original printed objects
JPH08340443A (ja) * 1995-06-12 1996-12-24 Omron Corp 偽造可能性情報生成方法及び装置、並びに、それらを利用した機器
JP3060902B2 (ja) * 1995-06-30 2000-07-10 オムロン株式会社 画像処理装置及び画像処理方法
JPH09274660A (ja) * 1996-04-05 1997-10-21 Omron Corp 画像認識方法及び装置並びにそれを搭載した複写機及びスキャナ
US6661906B1 (en) * 1996-12-19 2003-12-09 Omron Corporation Image creating apparatus
JPH11126259A (ja) * 1997-06-02 1999-05-11 Matsushita Electric Ind Co Ltd 画像検出方法、画像検出装置、画像処理方法、画像処理装置、及び媒体
US6198832B1 (en) * 1998-01-09 2001-03-06 U.S. Philips Corporation Embedding and detecting a watermark in images
JP3095071B2 (ja) * 1998-04-21 2000-10-03 日本電気株式会社 パタンマッチング符号化装置、及びその符号化方法
US6978036B2 (en) * 1998-07-31 2005-12-20 Digimarc Corporation Tamper-resistant authentication techniques for identification documents
US6952484B1 (en) 1998-11-30 2005-10-04 Canon Kabushiki Kaisha Method and apparatus for mark detection
EP1043883B1 (de) * 1999-04-06 2011-07-27 Canon Kabushiki Kaisha Abtaster, Drucker, Speichermedium und Bildverarbeitungsverfahren
US6317524B1 (en) * 1999-04-29 2001-11-13 Xerox Corporation Anti-counterfeit detection method
US6580820B1 (en) * 1999-06-09 2003-06-17 Xerox Corporation Digital imaging method and apparatus for detection of document security marks
US6553136B1 (en) 1999-10-28 2003-04-22 Hewlett-Packard Company System and method for counterfeit protection
US7474787B2 (en) * 1999-12-28 2009-01-06 Minolta Co., Ltd. Apparatus and method of detecting specified pattern
EP1122939A3 (de) * 2000-01-31 2003-08-27 Canon Kabushiki Kaisha Bildverarbeitungsgerät
EP1903453A3 (de) 2000-06-09 2008-04-09 British Broadcasting Corporation Verfahren zur Syntaxanalyse einer elektronischen Textdatei
US8094869B2 (en) 2001-07-02 2012-01-10 Digimarc Corporation Fragile and emerging digital watermarks
FR2834397A1 (fr) * 2001-12-28 2003-07-04 St Microelectronics Sa Sous- echantillonnage de donnees images pixelisees
US7974495B2 (en) * 2002-06-10 2011-07-05 Digimarc Corporation Identification and protection of video
KR100765749B1 (ko) * 2005-04-26 2007-10-15 삼성전자주식회사 이진영상 압축장치 및 방법
KR100727938B1 (ko) * 2005-06-08 2007-06-14 삼성전자주식회사 화상형성 방지 문서의 검출장치 및 방법
EP1732030A1 (de) * 2005-06-10 2006-12-13 BRITISH TELECOMMUNICATIONS public limited company Mustervergleich
EP1908013B1 (de) * 2005-07-28 2014-04-23 BRITISH TELECOMMUNICATIONS public limited company Bildanalyse
US20070041628A1 (en) * 2005-08-17 2007-02-22 Xerox Corporation Detection of document security marks using run profiles
EP1798961A1 (de) * 2005-12-19 2007-06-20 BRITISH TELECOMMUNICATIONS public limited company Fokussierungsverfahren
JP4662873B2 (ja) * 2006-03-23 2011-03-30 Ｈｏｙａ株式会社 パターンマッチングシステム
DE102007019107A1 (de) * 2007-04-23 2008-10-30 Giesecke & Devrient Gmbh Verfahren und Vorrichtung zur Prüfung von Wertdokumenten
US20080317355A1 (en) * 2007-06-21 2008-12-25 Trw Automotive U.S. Llc Method and apparatus for determining characteristics of an object from a contour image
US8115966B2 (en) 2007-09-03 2012-02-14 Canon Kabushiki Kaisha Method of embedding a plurality of different two-dimensional codes in an image
EP2187359B1 (de) * 2007-09-07 2012-08-01 Glory Ltd. Papierblattidentifikationsvorrichtung und papierblattidentifikationsverfahren
RU2449376C2 (ru) * 2007-09-07 2012-04-27 Глори Лтд. Устройство распознавания бумажного документа и способ распознавания бумажного документа
JP5884293B2 (ja) * 2011-04-28 2016-03-15 富士通株式会社 類似文字コード群検索支援方法、類似候補抽出方法、類似候補抽出プログラムおよび類似候補抽出装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59186079A (ja) * 1983-04-06 1984-10-22 グローリー工業株式会社 紙幣識別装置
US4521909A (en) * 1983-10-04 1985-06-04 Wang Laboratories, Inc. Dual level pattern recognition system
US5321470A (en) * 1988-05-13 1994-06-14 Canon Kabushiki Kaisha Apparatus with anti-forgery provision
DE68927410T2 (de) * 1988-05-13 1997-03-20 Canon Kk Gerät zur Bildherstellung
JPH02148383A (ja) * 1988-11-30 1990-06-07 Fuji Electric Co Ltd 紙幣鑑別方法
JPH0640351B2 (ja) * 1988-12-20 1994-05-25 サン電子株式会社 Ｄｐマッチングを利用したファジー推論による手書き文字認識装置
SG102585A1 (en) * 1989-02-10 2004-03-26 Canon Kk Apparatus for image reading or processing
JPH0514683A (ja) * 1991-07-01 1993-01-22 Canon Inc 画像処理装置
US5410613A (en) * 1991-07-17 1995-04-25 Matsushita Electric Industrial Co., Ltd. Pattern recognizing apparatus
US5479533A (en) * 1992-02-28 1995-12-26 Yamatake-Honeywell Co., Ltd. Pattern recognition apparatus and method using fuzzy logic
US5502575A (en) * 1992-08-06 1996-03-26 Matsushita Electric Industrial Co., Ltd. Imaging apparatus having a counterfeiting prevention function
JP3105679B2 (ja) * 1992-12-25 2000-11-06 株式会社日本コンラックス 紙幣識別装置
US5378916A (en) * 1993-02-17 1995-01-03 Xerox Corporation Color imaging charge-coupled array with multiple photosensitive regions

Also Published As

Publication number Publication date
DE69429847T2 (de) 2002-11-07
EP0649114A3 (de) 1995-09-27
EP0649114B1 (de) 2002-02-13
EP0649114A2 (de) 1995-04-19
US6091844A (en) 2000-07-18

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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