SE9400686L - Förfarande och kontrollanordning - Google Patents

Förfarande och kontrollanordning

Info

Publication number
SE9400686L
SE9400686L SE9400686A SE9400686A SE9400686L SE 9400686 L SE9400686 L SE 9400686L SE 9400686 A SE9400686 A SE 9400686A SE 9400686 A SE9400686 A SE 9400686A SE 9400686 L SE9400686 L SE 9400686L
Authority
SE
Sweden
Prior art keywords
document
region
data
image
control device
Prior art date
Application number
SE9400686A
Other languages
Unknown language ( )
English (en)
Other versions
SE9400686D0 (sv
SE502658C2 (sv
Inventor
Tom F Blanchester
Original Assignee
Non Stop Info Ab
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 Non Stop Info Ab filed Critical Non Stop Info Ab
Priority to SE9400686A priority Critical patent/SE502658C2/sv
Publication of SE9400686D0 publication Critical patent/SE9400686D0/sv
Priority to PCT/SE1995/000179 priority patent/WO1995023388A1/en
Priority to AU19053/95A priority patent/AU1905395A/en
Publication of SE9400686L publication Critical patent/SE9400686L/sv
Publication of SE502658C2 publication Critical patent/SE502658C2/sv
Priority to US09/362,084 priority patent/US6141438A/en

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/20—Testing patterns thereon
    • G07D7/2016—Testing patterns thereon using feature extraction, e.g. segmentation, edge detection or Hough-transformation
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
    • G07D7/12—Visible light, infrared or ultraviolet radiation
    • G07D7/1205—Testing spectral properties
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
    • G07D7/12—Visible light, infrared or ultraviolet radiation
    • G07D7/122—
    • G07D7/2058—
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/20—Testing patterns thereon
    • G07D7/202—Testing patterns thereon using pattern matching
    • G07D7/206—Matching template patterns
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/086—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means by passive credit-cards adapted therefor, e.g. constructive particularities to avoid counterfeiting, e.g. by inclusion of a physical or chemical security-layer
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/12—Card verification
    • G07F7/125—Offline card verification

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Accounting & Taxation (AREA)
  • Computer Security & Cryptography (AREA)
  • Finance (AREA)
  • Strategic Management (AREA)
  • General Business, Economics & Management (AREA)
  • Artificial Intelligence (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Collating Specific Patterns (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Credit Cards Or The Like (AREA)
SE9400686A 1994-02-28 1994-02-28 Förfarande och kontrollanordning för avläsning av identitets -och värdehandlingar. SE502658C2 (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE9400686A SE502658C2 (sv) 1994-02-28 1994-02-28 Förfarande och kontrollanordning för avläsning av identitets -och värdehandlingar.
PCT/SE1995/000179 WO1995023388A1 (en) 1994-02-28 1995-02-21 Method and control device for authentication
AU19053/95A AU1905395A (en) 1994-02-28 1995-02-21 Method and control device for authentication
US09/362,084 US6141438A (en) 1994-02-28 1999-07-28 Method and control device for document authentication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9400686A SE502658C2 (sv) 1994-02-28 1994-02-28 Förfarande och kontrollanordning för avläsning av identitets -och värdehandlingar.

Publications (3)

Publication Number Publication Date
SE9400686D0 SE9400686D0 (sv) 1994-02-28
SE9400686L true SE9400686L (sv) 1995-08-29
SE502658C2 SE502658C2 (sv) 1995-12-04

Family

ID=20393112

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9400686A SE502658C2 (sv) 1994-02-28 1994-02-28 Förfarande och kontrollanordning för avläsning av identitets -och värdehandlingar.

Country Status (4)

Country Link
US (1) US6141438A (sv)
AU (1) AU1905395A (sv)
SE (1) SE502658C2 (sv)
WO (1) WO1995023388A1 (sv)

Families Citing this family (73)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6363164B1 (en) 1996-05-13 2002-03-26 Cummins-Allison Corp. Automated document processing system using full image scanning
US8162125B1 (en) 1996-05-29 2012-04-24 Cummins-Allison Corp. Apparatus and system for imaging currency bills and financial documents and method for using the same
US7187795B2 (en) * 2001-09-27 2007-03-06 Cummins-Allison Corp. Document processing system using full image scanning
US20050276458A1 (en) 2004-05-25 2005-12-15 Cummins-Allison Corp. Automated document processing system and method using image scanning
US8204293B2 (en) 2007-03-09 2012-06-19 Cummins-Allison Corp. Document imaging and processing system
US7903863B2 (en) 2001-09-27 2011-03-08 Cummins-Allison Corp. Currency bill tracking system
NL1004433C2 (nl) * 1996-11-05 1998-05-08 Iai Bv Beveiligingskenmerk in de vorm van een perforatiepatroon.
US8478020B1 (en) 1996-11-27 2013-07-02 Cummins-Allison Corp. Apparatus and system for imaging currency bills and financial documents and method for using the same
GB9800854D0 (en) * 1998-01-16 1998-03-11 Nexus Corp A material and device for terminal transaction
US6487301B1 (en) * 1998-04-30 2002-11-26 Mediasec Technologies Llc Digital authentication with digital and analog documents
GR1003626B (el) * 1998-07-22 2001-07-24 Ευφυες δικτυο βεβαιωσεως αυθεντικοτητας χαρτονομισματων
RU2179742C2 (ru) * 1998-08-07 2002-02-20 Общество с ограниченной ответственностью "Рютар" Способ контроля подлинности акцизных и/или идентификационных марок
KR100419436B1 (ko) * 1998-08-08 2004-02-21 밍파 첸 구조적인 결의 위조 방지 방법
GB2340931A (en) * 1998-08-21 2000-03-01 Celestica Ltd Object colour validation
DE19847261A1 (de) * 1998-10-05 2000-04-06 Dcs Dialog Communication Syste Verfahren und System zur Personenerkennung mit modellbasierter Gesichtsfindung
UA61924C2 (en) * 1999-03-20 2003-12-15 Method for producing printed production for prize drawing
WO2001003077A1 (en) * 1999-07-05 2001-01-11 Dexrad (Proprietary) Limited Document verification system
KR100351400B1 (ko) * 1999-09-22 2002-09-10 엘지전자 주식회사 사용자 피드백 변화를 반영한 멀티미디어 데이타의 특징소 정보 생성방법 및 멀티미디어 데이타의 특징소 가중치 결정방법
US6513709B1 (en) * 1999-12-22 2003-02-04 Norman F. Hansen Optical transaction card system
US8701857B2 (en) 2000-02-11 2014-04-22 Cummins-Allison Corp. System and method for processing currency bills and tickets
US7647275B2 (en) 2001-07-05 2010-01-12 Cummins-Allison Corp. Automated payment system and method
RU2199781C1 (ru) * 2001-07-20 2003-02-27 Ямилев Ильгиз Амирович Способ маркировки товара, или изделия, или конструкции с последующей идентификацией (варианты) и система проведения идентификации товара или изделия, или конструкции с указанной маркировкой (варианты)
US8428332B1 (en) 2001-09-27 2013-04-23 Cummins-Allison Corp. Apparatus and system for imaging currency bills and financial documents and method for using the same
US7873576B2 (en) * 2002-09-25 2011-01-18 Cummins-Allison Corp. Financial document processing system
US8433123B1 (en) 2001-09-27 2013-04-30 Cummins-Allison Corp. Apparatus and system for imaging currency bills and financial documents and method for using the same
US8437530B1 (en) 2001-09-27 2013-05-07 Cummins-Allison Corp. Apparatus and system for imaging currency bills and financial documents and method for using the same
US8944234B1 (en) 2001-09-27 2015-02-03 Cummins-Allison Corp. Apparatus and system for imaging currency bills and financial documents and method for using the same
US8437529B1 (en) 2001-09-27 2013-05-07 Cummins-Allison Corp. Apparatus and system for imaging currency bills and financial documents and method for using the same
US7028884B2 (en) * 2001-11-22 2006-04-18 Leif Nyfelt Method of verifying ID-papers and the like
US7728048B2 (en) 2002-12-20 2010-06-01 L-1 Secure Credentialing, Inc. Increasing thermal conductivity of host polymer used with laser engraving methods and compositions
US7551750B2 (en) * 2002-01-09 2009-06-23 Jds Uniphase Corporation Holographic digital watermark
US20030139994A1 (en) * 2002-01-22 2003-07-24 Jones John E. Financial institution system
JP2003282939A (ja) * 2002-03-26 2003-10-03 Oki Degital Imaging:Kk 半導体発光装置及びその製造方法
JP2003315875A (ja) * 2002-04-26 2003-11-06 Konica Minolta Holdings Inc 撮影装置、及び撮影方法
CN1669046B (zh) * 2002-05-14 2012-03-14 施赖纳集团两合公司 用于印刷文档的可视鉴别图案
US7519819B2 (en) 2002-05-29 2009-04-14 Digimarc Corporatino Layered security in digital watermarking
US8171567B1 (en) 2002-09-04 2012-05-01 Tracer Detection Technology Corp. Authentication method and system
US8627939B1 (en) 2002-09-25 2014-01-14 Cummins-Allison Corp. Apparatus and system for imaging currency bills and financial documents and method for using the same
WO2004035321A1 (en) 2002-10-15 2004-04-29 Digimarc Corporation Identification document and related methods
CA2522551C (en) 2003-04-16 2009-12-22 Digimarc Corporation Three dimensional data storage
US8301893B2 (en) 2003-08-13 2012-10-30 Digimarc Corporation Detecting media areas likely of hosting watermarks
US8793187B2 (en) * 2003-10-17 2014-07-29 Nexxo Financial Corporation Self-service money remittance with an access card
US8204829B2 (en) * 2003-10-17 2012-06-19 Nexxo Financial Corporation Systems and methods for money sharing
WO2006022977A2 (en) * 2004-07-23 2006-03-02 Digimarc Corporation Facial database methods and systems
US7460692B2 (en) * 2004-09-10 2008-12-02 Kabushiki Kaisha Toshiba Image forming apparatus
US7204408B2 (en) * 2004-12-17 2007-04-17 International Business Machines Corporation System and method of data entry utilizing a scanning printer
US20070023336A1 (en) * 2005-08-01 2007-02-01 Owens Kevin M Inline filter monitoring device
JP5111794B2 (ja) * 2005-08-08 2013-01-09 株式会社東芝 紙葉類識別装置、紙葉類識別方法、及び辞書作成方法
GB0526012D0 (en) * 2005-12-22 2006-02-01 Advanced Analysis And Integrat Document verification
AT504627B1 (de) * 2006-02-01 2009-05-15 Arc Seibersdorf Res Gmbh Verfahren zur optischen überprüfung von gegenständen
US7778935B2 (en) * 2006-03-09 2010-08-17 Colella Brian A System for secure payment and authentication
US8219543B2 (en) * 2006-06-12 2012-07-10 Etrial Communications, Inc. Electronic documentation
US10339208B2 (en) 2006-06-12 2019-07-02 Brief-Lynx, Inc. Electronic documentation
RU2321890C1 (ru) * 2006-11-29 2008-04-10 Михаил Геннадиевич Яновский Способ определения подлинности товаров
US8538123B1 (en) 2007-03-09 2013-09-17 Cummins-Allison Corp. Apparatus and system for imaging currency bills and financial documents and method for using the same
US8417017B1 (en) 2007-03-09 2013-04-09 Cummins-Allison Corp. Apparatus and system for imaging currency bills and financial documents and method for using the same
JP5108018B2 (ja) * 2007-09-07 2012-12-26 グローリー株式会社 紙葉類識別装置及び紙葉類識別方法
WO2009146042A2 (en) 2008-03-31 2009-12-03 Terra Soft Solutions Of Colorado, Inc. Tablet computer
DE102008043953A1 (de) * 2008-11-21 2010-05-27 Robert Bosch Gmbh Vorrichtung zur Erzeugung und/oder Verarbeitung einer Objektsignatur, Überwachungsvorrichtung, Verfahren und Computerprogramm
US8317085B2 (en) * 2008-12-22 2012-11-27 Ncr Corporation Fraudulent document detection system and method
US8478019B1 (en) 2009-04-15 2013-07-02 Cummins-Allison Corp. Apparatus and system for imaging currency bills and financial documents and method for using the same
US8929640B1 (en) 2009-04-15 2015-01-06 Cummins-Allison Corp. Apparatus and system for imaging currency bills and financial documents and method for using the same
US8391583B1 (en) 2009-04-15 2013-03-05 Cummins-Allison Corp. Apparatus and system for imaging currency bills and financial documents and method for using the same
GB2471999A (en) * 2009-07-20 2011-01-26 Advanced Analysis And Integration Ltd Verifying the authenticity of an image
IL202028A (en) 2009-11-10 2016-06-30 Icts Holding Company Ltd Product, apparatus and methods for computerized authentication of electronic documents
US8000528B2 (en) * 2009-12-29 2011-08-16 Konica Minolta Systems Laboratory, Inc. Method and apparatus for authenticating printed documents using multi-level image comparison based on document characteristics
RU2421818C1 (ru) * 2010-04-08 2011-06-20 Общество С Ограниченной Ответственностью "Конструкторское Бюро "Дорс" (Ооо "Кб "Дорс") Способ классификации банкнот (варианты)
KR101883425B1 (ko) * 2011-08-01 2018-07-31 삼성전자주식회사 휴대 단말기를 이용하는 위폐 감별법
US9141876B1 (en) 2013-02-22 2015-09-22 Cummins-Allison Corp. Apparatus and system for processing currency bills and financial documents and method for using the same
US10958807B1 (en) * 2018-02-08 2021-03-23 Digimarc Corporation Methods and arrangements for configuring retail scanning systems
US11995511B2 (en) 2018-02-08 2024-05-28 Digimarc Corporation Methods and arrangements for localizing machine-readable indicia
US10880451B2 (en) 2018-06-08 2020-12-29 Digimarc Corporation Aggregating detectability metrics to determine signal robustness
WO2021229568A1 (en) * 2020-05-11 2021-11-18 Au10Tix Ltd. System, method and computer program product for mitigating customer onboarding risk

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4179686A (en) * 1976-11-03 1979-12-18 Bonicalzi Maria P System for checking the authenticity of identification papers
US4201978A (en) * 1978-10-19 1980-05-06 NCR Canada Ltd. -- NCR Canada Ltee Document processing system
DE3043985A1 (de) * 1980-11-21 1982-06-03 Hermann 7742 St Georgen Stockburger Verfahren und vorrichtung zur kennzeichnung und/oder identifizierung eines datentraegers
US4432282A (en) * 1982-04-05 1984-02-21 Apollo Label Company Printing press
ATE78353T1 (de) * 1986-05-07 1992-08-15 Brendan David Costello Verfahren und vorrichtung zum feststellen der identitaet.
GB8718100D0 (en) * 1987-07-30 1987-09-03 Crosfield Electronics Ltd Image processing
US4811408A (en) * 1987-11-13 1989-03-07 Light Signatures, Inc. Image dissecting document verification system
JPH041869A (ja) * 1990-04-19 1992-01-07 Nippon Sheet Glass Co Ltd 画像照合方法
US5168532A (en) * 1990-07-02 1992-12-01 Varian Associates, Inc. Method for improving the dynamic range of an imaging system
JPH0546743A (ja) * 1991-08-09 1993-02-26 Matsushita Electric Ind Co Ltd 個人識別装置
US5488725A (en) * 1991-10-08 1996-01-30 West Publishing Company System of document representation retrieval by successive iterated probability sampling
JP3252381B2 (ja) * 1992-09-08 2002-02-04 ソニー株式会社 パターン認識装置
US5432864A (en) * 1992-10-05 1995-07-11 Daozheng Lu Identification card verification system
US5420924A (en) * 1993-04-26 1995-05-30 Pitney Bowes Inc. Secure identification card and method and apparatus for producing and authenticating same by comparison of a portion of an image to the whole
US5799092A (en) * 1995-02-28 1998-08-25 Lucent Technologies Inc. Self-verifying identification card
US5838814A (en) * 1996-01-02 1998-11-17 Moore; Steven Jerome Security check method and apparatus

Also Published As

Publication number Publication date
SE9400686D0 (sv) 1994-02-28
WO1995023388A1 (en) 1995-08-31
AU1905395A (en) 1995-09-11
US6141438A (en) 2000-10-31
SE502658C2 (sv) 1995-12-04

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