WO2003081542A1 - Appareil d'essai multiple pour billets de banque a haute technologie - Google Patents

Appareil d'essai multiple pour billets de banque a haute technologie Download PDF

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Publication number
WO2003081542A1
WO2003081542A1 PCT/CN2003/000211 CN0300211W WO03081542A1 WO 2003081542 A1 WO2003081542 A1 WO 2003081542A1 CN 0300211 W CN0300211 W CN 0300211W WO 03081542 A1 WO03081542 A1 WO 03081542A1
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WO
WIPO (PCT)
Prior art keywords
unit
banknote
algorithm
clock synchronization
tech
Prior art date
Application number
PCT/CN2003/000211
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English (en)
Chinese (zh)
Inventor
Dongshan Bao
Original Assignee
Dongshan Bao
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 CNB021044937A external-priority patent/CN1255764C/zh
Application filed by Dongshan Bao filed Critical Dongshan Bao
Priority to AU2003236081A priority Critical patent/AU2003236081A1/en
Publication of WO2003081542A1 publication Critical patent/WO2003081542A1/fr

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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
    • G07D7/06—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
    • 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

Definitions

  • the present invention relates to the following four fields: the field of optics and electronics, the field of electronic information processing technology, the field of fuzzy mathematics and electronic information processing technology, and the field of machinery.
  • the anti-counterfeiting technology of banknotes in various countries is mainly concentrated on special paper (including plastic paper) and anti-counterfeiting plates and printing.
  • special paper including plastic paper
  • anti-counterfeiting plates and printing At present, the large denominations of the euro, the US dollar and the new version of the RMB mainly use color-changing inks and holographic technology. This is the most difficult feature of counterfeiters, and even if they work hard, errors will occur (such as the imitation of color-changing inks is extremely difficult, even with modern electronic color matching technology, it is difficult to imitate the color-changing effects of all different angles).
  • the world's existing banknote detection technology mainly uses the human eye or optical or chemical aids to identify optical images (its essence is optical image recognition), which is more accurate than modern digital image processing technologies (essentially computer signal processing). There is a great difference in the observation effect, and it is difficult to realize automatic continuous operation.
  • the purpose of the present invention is to provide a compound high-tech banknote detector which can use high-tech technology and traditional technology to accurately determine the authenticity of banknotes.
  • a compound high-tech banknote detector includes a banknote counting device, and further includes a camera (A), an image processing unit (B), a matching processing algorithm (C), a threshold analysis algorithm unit, and The result shows (D), continuous banknote counting unit (F) and clock synchronization control unit (E); where the camera (A) is connected to the image processing unit (B) and the clock synchronization control unit (E), and the image processing unit (B) Connected to the matching processing algorithm (C) and the clock synchronization control unit (E), and the matching processing algorithm (C) is connected to the threshold analysis algorithm unit and the result display (D), the clock synchronization control unit (E), and the threshold analysis.
  • the algorithm unit and result display (D) are connected to the matching processing algorithm (C) and the clock synchronization control unit (D), and the continuous money counting unit (F) is connected to the clock synchronization control unit (E).
  • the image processing unit (B) is composed of an acquisition image buffer area and a plastic sampling software storage area (4 MB RAM), a plastic sampling processing unit, an I / O interface or RS232 and a bus.
  • the matching processing algorithm (C) consists of a graphic matrix buffer area and processing software storage area (4 MB RAM), a pre-stored graphic matrix storage area (2 MB ROM), which accepts B module data. I / O or RS232, matching processing unit, I / O or RS232 for outputting data to D module, and bus.
  • the threshold analysis algorithm unit and the result display (D) are the graphics matrix buffer area and processing software storage area (4 MB RAM), pre-stored threshold vector storage area (2 MB ROM), and accept C module data I / O or RS232, threshold processing and result display unit, I / O outputting data to computer terminal Or RS232 and bus composition.
  • the present invention uses multi-directional high-tech means to continuously and simultaneously simulate human eyes, or the artificial person recognizes these features by using auxiliary means (such as light identification watermarking, changing angles to identify features of color-changing inks and holographic images, and detecting points and Line, detection of holographic images by polarized light sources), not only greatly improves identification efficiency and reduces labor costs, but also the identification accuracy is several orders of magnitude higher than the human eye and existing banknote detection equipment (such as color-changing inks and holographic images at different fixed angles).
  • auxiliary means such as light identification watermarking, changing angles to identify features of color-changing inks and holographic images, and detecting points and Line, detection of holographic images by polarized light sources
  • the present invention is the first time in the world to use digital information processing methods to test banknotes, and its design ideas are derived from the terrain matching technology used by similar strategic missiles or cruise missile end guidance, and similar strategic early warning radars or airborne attack radars are used to determine alert targets And moving target determination technology used for attack targets.
  • the technical solution is to convert the color-changing ink image and holographic optical image that are most difficult for counterfeiters in various currencies (such as large face value USD, RMB, Euro, etc.) from optical images into digital images that can be processed by computers, Feature matching images of banknotes and standard banknotes are processed for image matching, and then fuzzy mathematical methods are used to set analysis and judgment rules (algorithms) to eliminate the interference of system errors, environmental errors and human errors, and focus on accurately determining the authenticity of banknotes.
  • various currencies such as large face value USD, RMB, Euro, etc.
  • FIG. 1 is a block diagram of the overall structure of the present invention
  • FIG. 2 is a schematic diagram of collecting information on a banknote to be inspected by a camera according to the present invention
  • FIG. 3 is a schematic diagram of graphic processing of an image processing unit (B) of the present invention.
  • FIG. 4 is a structural diagram of a matching processing algorithm (C) of the present invention.
  • FIG. 6 is a clock synchronization control logic diagram of a clock synchronization control unit (D) of the present invention.
  • Figure ⁇ is a schematic diagram of the product structure of the present invention.
  • 71 the information processing unit circuit board
  • 72 the computer interface and the power supply interface
  • 73 the parallel light source
  • 74 the banknote into the slot
  • 75 the banknote counter
  • 76 the banknote out of the slot
  • 77 the transmission device
  • 78 Focus on the camera.
  • FIG. 8 is a perspective structural view of a money counter in the present invention.
  • Fig. 8 1 banknote device; 11 banknote inlet; 111 cam; 112-sensing switch; 12 ⁇ banknote outlet; 121-impeller; 13-drive motor; 131-first belt pulley; 14-belt; 15—the second batch of pulleys; 151—the second gear; 16—the roller; 161—the first gear; 17—the currency channel; 18—the impeller motor.
  • the graphics matrix buffer area first stores the RGB feature vector output by the B module, and this vector is matched with the pre-stored RBG feature vector pre-existing in the graphics matrix storage area (ROM) as a match. After processing (matrix subtraction, etc.), it is refreshed into the buffer area and input to the D module through the output interface.
  • the final recognition result of the corresponding count will be generated and displayed on the terminal screen through a display software.
  • the schematic diagram is shown in Figure 5. It can be seen from FIG. 5 that in each clock cycle t, the buffer area of the graphic matrix after the matching process is first stored in the error (RGB) feature vector output by the C module, and this vector is compared with the pre-stored threshold vector, and then blurred.
  • the discriminative software of the mathematical method processes it to obtain the final recognition result, which is driven by the display software and output to the computer terminal.
  • the E module provides synchronous control to ensure the reliable identification of each banknote.
  • the corresponding implementation method is shown in the clock synchronization control logic ( Figure 6).
  • the specific implementation is implemented by Intel 586-133 and z stored in a memory (2 MB RAM).
  • the display software inside is complete.
  • the time T from the focusing camera to the end of the threshold processing is based on a reasonable design (selection of fast processing devices), which is of course less than the interval t of the continuous counting unit of the banknote counting unit, and the role of clock synchronization control and overall control is to ensure the signal of the system
  • the processing part and the mechanical rotation part, and the absolute display of the results are synchronized.
  • the product schematic diagram of the compound high-tech banknote detector is shown in Figure 7.
  • There is a reverse counting function The computer display will show the counting result and the corresponding banknote checking result.
  • the present invention focuses on new thinking methods, working principles and processing modes, and also has economic considerations. Therefore, some low-grade devices (software environment is Windows 98) 3 years ago are selected to illustrate that its principles and structure are practical. feasible. Therefore, the current prototype of the compound high-tech banknote detector is slightly different from the final product in the future large-scale promotion.
  • each module of B, C, D, and E of the compound high-tech banknote detector uses the same CPU (Intel 586—133 MHz).
  • the price of Intel 586-133 MHz is less than 50 yuan. If you use Intel 586-166 MHz, Intel 586-200 MHz or Intel 586-233 MHz, the speed will be faster, and the price is not much expensive.
  • the second is the direction of the hardware structure.
  • low-cost (such as outdated) CPUs and small-capacity storage chips because these two types of chips will be very cheap in the future.
  • large-scale production you can even produce dedicated chips or use programmable controllers.
  • a simple liquid crystal display unit should be considered.
  • the aggregation camera used by the A module can only be modified to achieve it.
  • custom dedicated focusing cameras will be used.
  • the mechanical transmission part of the banknote counting unit of the compound high-tech banknote detector is a preferred intermediate product purchased from the market, so it will not be described in detail in FIG. 7.
  • the mechanical transmission part of the banknote counting unit of the compound high-tech banknote detector is a preferred intermediate product purchased from the market, so it will not be described in detail in FIG. 7.
  • the compound high-tech banknote detector will have special models for different currencies (mainly different recording structures); but for the models of the same currency, it can be set in advance Party Method to process banknotes of different denominations.
  • the circuit board as the information processing unit can also be inserted on the PC motherboard as a cabinet terminal.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)

Abstract

Un appareil d'essai pour billets de banque comprend une tête de détecteur (A), une unité de traitement (B) d'images, une unité d'algorithme (C) de traitement d'appariement, une unité (D) d'algorithme d'analyse de seuil et d'affichage de résultat, une unité d'entrée continue de billets de banque ainsi qu'une unité de synchronisation (E) d'horloge, la tête de détecteur (A), l'unité de traitement (B) d'images, l'unité d'algorithme (C) de traitement d'appariement, l'algorithme d'analyse de seuil ainsi que l'unité d'affichage résultant (D), l'unité d'entrée continue de billets de banque sont tous connectés à l'unité de synchronisation (E) d'horloge, la tête de détecteur (A) est connectée à l'unité de traitement (B) d'images, l'unité de traitement (B) d'images est connectée à l'unité d'algorithme (C) de traitement d'appariement et l'unité d'algorithme (C) de traitement d'appariement est connectée à l'unité (D) d'algorithme d'analyse de seuil et d'affichage de résultat. L'appareil d'essai de billets de banque est utilisé pour détecter avec précision les faux billets.
PCT/CN2003/000211 2002-03-25 2003-03-24 Appareil d'essai multiple pour billets de banque a haute technologie WO2003081542A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003236081A AU2003236081A1 (en) 2002-03-25 2003-03-24 A multiple testing apparatus for bank notes having high-technology

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN02104493.7 2002-03-25
CNB021044937A CN1255764C (zh) 2002-03-25 2002-03-25 复合高技术验钞机
US10/377,334 US6848561B2 (en) 2002-03-25 2003-02-27 Integrated currency validator
US10/377,334 2003-02-27

Publications (1)

Publication Number Publication Date
WO2003081542A1 true WO2003081542A1 (fr) 2003-10-02

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PCT/CN2003/000211 WO2003081542A1 (fr) 2002-03-25 2003-03-24 Appareil d'essai multiple pour billets de banque a haute technologie

Country Status (2)

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AU (1) AU2003236081A1 (fr)
WO (1) WO2003081542A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0675466A2 (fr) * 1994-03-28 1995-10-04 Österreichisches Forschungszentrum Seibersdorf Ges.m.b.H. Procédé et dispositif pour la reconnaissance ou le contrôle d'objets
US5530772A (en) * 1994-07-04 1996-06-25 At&T Global Information Solutions Company Apparatus and method for testing bank notes for genuineness using Fourier transform analysis
WO1997015904A1 (fr) * 1995-10-24 1997-05-01 As Beteiligungs Gesellschaft Mbh Procede pour la detection et la verification de l'authenticite de billets de banque, et dispositif pour la mise en oeuvre de ce procede
JPH1139459A (ja) * 1997-07-15 1999-02-12 Sanyo Electric Co Ltd 被検査体の識別方法
DE19926733A1 (de) * 1999-06-11 2000-12-14 Hsm Gmbh Holografisches maschinenlesbares Sicherheitsmerkmal
GB2353859A (en) * 1999-09-01 2001-03-07 Ncr Int Inc Inspection of media using a variable interference filter
CN2445381Y (zh) * 2000-09-08 2001-08-29 党治平 多功能激光扫描自动识别验钞仪

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0675466A2 (fr) * 1994-03-28 1995-10-04 Österreichisches Forschungszentrum Seibersdorf Ges.m.b.H. Procédé et dispositif pour la reconnaissance ou le contrôle d'objets
US5530772A (en) * 1994-07-04 1996-06-25 At&T Global Information Solutions Company Apparatus and method for testing bank notes for genuineness using Fourier transform analysis
WO1997015904A1 (fr) * 1995-10-24 1997-05-01 As Beteiligungs Gesellschaft Mbh Procede pour la detection et la verification de l'authenticite de billets de banque, et dispositif pour la mise en oeuvre de ce procede
JPH1139459A (ja) * 1997-07-15 1999-02-12 Sanyo Electric Co Ltd 被検査体の識別方法
DE19926733A1 (de) * 1999-06-11 2000-12-14 Hsm Gmbh Holografisches maschinenlesbares Sicherheitsmerkmal
GB2353859A (en) * 1999-09-01 2001-03-07 Ncr Int Inc Inspection of media using a variable interference filter
CN2445381Y (zh) * 2000-09-08 2001-08-29 党治平 多功能激光扫描自动识别验钞仪

Also Published As

Publication number Publication date
AU2003236081A1 (en) 2003-10-08

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