BR9803981B1 - método de detecção de falsificação de valor monetário e sistema de detecção de falsificação. - Google Patents

método de detecção de falsificação de valor monetário e sistema de detecção de falsificação.

Info

Publication number
BR9803981B1
BR9803981B1 BRPI9803981-4A BR9803981A BR9803981B1 BR 9803981 B1 BR9803981 B1 BR 9803981B1 BR 9803981 A BR9803981 A BR 9803981A BR 9803981 B1 BR9803981 B1 BR 9803981B1
Authority
BR
Brazil
Prior art keywords
counterfeit detection
detection method
detection system
counterfeit
detection
Prior art date
Application number
BRPI9803981-4A
Other languages
English (en)
Other versions
BR9803981A (pt
Inventor
Zhigang Fan
John W Wu
Felice A Micco
Mike C Chen
Kien A Phong
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 filed Critical
Publication of BR9803981A publication Critical patent/BR9803981A/pt
Publication of BR9803981B1 publication Critical patent/BR9803981B1/pt

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
    • G06V10/245—Aligning, centring, orientation detection or correction of the image by locating a pattern; Special marks for positioning
    • 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
    • G06V10/32—Normalisation of the pattern dimensions

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Image Analysis (AREA)
BRPI9803981-4A 1997-09-29 1998-09-28 método de detecção de falsificação de valor monetário e sistema de detecção de falsificação. BR9803981B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/940,413 US6181813B1 (en) 1997-09-29 1997-09-29 Method for counterfeit currency detection using orthogonal line comparison

Publications (2)

Publication Number Publication Date
BR9803981A BR9803981A (pt) 1999-11-16
BR9803981B1 true BR9803981B1 (pt) 2010-05-18

Family

ID=25474787

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9803981-4A BR9803981B1 (pt) 1997-09-29 1998-09-28 método de detecção de falsificação de valor monetário e sistema de detecção de falsificação.

Country Status (3)

Country Link
US (1) US6181813B1 (pt)
JP (1) JPH11161827A (pt)
BR (1) BR9803981B1 (pt)

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US7738690B2 (en) * 2006-09-20 2010-06-15 Primax Electronics Ltd. Verification method for determining areas within an image corresponding to monetary banknotes
US7885450B2 (en) * 2006-09-20 2011-02-08 Primax Electronics Ltd. Method for characterizing texture of areas within an image corresponding to monetary banknotes
US7706593B2 (en) * 2006-09-20 2010-04-27 Primax Electronics Ltd. Verification method for determining areas within an image corresponding to monetary banknotes
DE102007019107A1 (de) * 2007-04-23 2008-10-30 Giesecke & Devrient Gmbh Verfahren und Vorrichtung zur Prüfung von Wertdokumenten
US8651615B2 (en) 2011-12-19 2014-02-18 Xerox Corporation System and method for analysis of test pattern image data in an inkjet printer using a template
CN105447956A (zh) * 2015-11-06 2016-03-30 东方通信股份有限公司 一种拼接纸币的检测方法
CN108668125B (zh) * 2018-03-27 2020-03-27 深圳怡化电脑股份有限公司 一种用于检测验钞图像传感器的方法及装置
CN112949705B (zh) * 2021-02-24 2022-03-04 北京慧辰资道资讯股份有限公司 一种基于大数据的***流通分析方法及装置
CN117218761B (zh) * 2023-08-07 2024-04-19 广州康艺电子有限公司 一种基于数据分析的验钞机性能测试***

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Also Published As

Publication number Publication date
US6181813B1 (en) 2001-01-30
BR9803981A (pt) 1999-11-16
JPH11161827A (ja) 1999-06-18

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 18/05/2010, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 18A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2385 DE 20-09-2016 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.