WO2007008040A1 - Apparatus for detecting counterfeit identification card and method thereof - Google Patents

Apparatus for detecting counterfeit identification card and method thereof Download PDF

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Publication number
WO2007008040A1
WO2007008040A1 PCT/KR2006/002751 KR2006002751W WO2007008040A1 WO 2007008040 A1 WO2007008040 A1 WO 2007008040A1 KR 2006002751 W KR2006002751 W KR 2006002751W WO 2007008040 A1 WO2007008040 A1 WO 2007008040A1
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WO
WIPO (PCT)
Prior art keywords
card
counterfeit
database
determining whether
cards
Prior art date
Application number
PCT/KR2006/002751
Other languages
French (fr)
Inventor
Jeong-Yong Lee
Original Assignee
Semi Tech Co., Ltd.
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 Semi Tech Co., Ltd. filed Critical Semi Tech Co., Ltd.
Publication of WO2007008040A1 publication Critical patent/WO2007008040A1/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition

Definitions

  • the present invention relates, in general, to an apparatus and method for detecting counterfeit identification cards, and, more particularly, to an apparatus and method for determining the types of ID cards inserted into the apparatus and determining whether the ID cards are counterfeit based on the determined types of ID cards .
  • a card holder' s photograph is attached to an Identification (ID) card, such as a resident registration card, a driver's license or a passport, and, therefore, whether the ID card holder's face is identical to the photograph of the ID card is verified by comparing them with each other.
  • ID Identification
  • Such a conventional ID card is manufactured simply by attaching a photograph and then printing characters. Therefore, when a malicious person detaches an original photograph from an ID card and then attaches another person's photograph thereto, or forges printed characters, thereby counterfeiting the ID card, it is impossible to determine whether the ID card is counterfeit, so that the counterfeit ID card may be abused in various kinds of crimes .
  • various schemes for preventing the counterfeiting and alteration of ID cards have been proposed.
  • an object of the present invention is to provide an apparatus for detecting counterfeit ID cards, which determines the types of ID cards inserted into the apparatus and determines whether the ID cards are counterfeit based on the determined types of ID cards .
  • the present invention provides an apparatus for detecting counterfeit cards, including memory including a counterfeit card detection method database for storing and managing optimal counterfeit card detection methods for respective types of ID cards, a font database for storing and managing patterns for fonts used in the respective ID cards for respective types of ID cards, a reflected wavelength database for storing and managing information about wavelengths reflected from substances constituting surfaces of ID cards for respective types of ID cards, a secret mark database for storing and managing information about secret marks, which are marks printed on surfaces of ID cards and each respond to a specific kind of light, for respective types of ID cards, and a hologram database for storing and managing information about holograms formed on the respective ID cards, a fingerprint recognizer for acquiring the fingerprint image of a card holder, a card inlet into which an ID card is inserted, a camera for capturing an image of the ID card, one or more light sources for providing back light for the camera, and a central control unit for controlling overall operation, wherein the central control unit includes an image acquisition module for a counterfeit card detection method database for
  • the counterfeit card detection module includes an ID card font verification unit for comparing a font of the image of the ID card acquired by the image acquisition unit with a pattern of a corresponding character of the font database, thereby determining whether the ID card is counterfeit, a reflected wavelength verification unit for comparing a measured reflected wavelength with corresponding information in the reflected wavelength database and determining whether they are identical to each other, thereby determining whether the ID card is counterfeit, a secret mark verification unit for detecting a secret mark on a surface of the ID card, comparing the detected secret mark with corresponding information in the secret mark database and determining whether they are identical to each other, thereby determining whether the ID card is counterfeit, a hologram verification unit for detecting a hologram formed on each ID card, comparing the detected hologram with a corresponding hologram of the hologram database and determining whether they are identical to each other, thereby determining whether the ID card is counterfeit, and a fingerprint verification unit for acquiring an image of a fingerprint from an ID card having a printed
  • the counterfeit card detection unit of the apparatus determines whether the ID card is counterfeit using at least one of the ID card font verification unit, the fingerprint verification unit, and the hologram verification unit when the type of the ID card is determined to be a resident registration card. It is preferred that the counterfeit card detection unit of the apparatus determines whether the ID card is counterfeit using at least one of the ID card font verification unit, the reflected wavelength verification unit, and, the hologram verification unit if the type of the ID card is determined to be a driver's license.
  • the types of ID cards are determined, optimal counterfeit ID card detection methods are read, and whether the ID cards are counterfeit and determined. Furthermore, according to the present invention, whether the ID cards are counterfeit can be determined using an internal database other than a remote database, so that whether the ID cards are counterfeit can be rapidly determined.
  • FIG. 1 is a block diagram schematically illustrating the construction of an apparatus for detecting a counterfeit ID card according to a preferred embodiment of the present invention
  • FIG. 2 is a block diagram schematically illustrating the construction of the central control unit of the apparatus for detecting a counterfeit ID card according to a preferred embodiment of the present invention
  • FIG. 3 is a block diagram schematically illustrating the databases of the apparatus for detecting a counterfeit ID card according to a preferred embodiment of the present invention
  • FIG. 4 is a diagram explaining an identification font verification unit among the counterfeit card detection modules of the apparatus for detecting a counterfeit ID card according to a preferred embodiment of the present invention.
  • FIG. 5 is a flowchart illustrating the construction of the central control unit of the apparatus for detecting a counterfeit ID card according to a preferred embodiment of the present invention.
  • FIG. 1 is a block diagram schematically illustrating the construction of an apparatus 10 for detecting a counterfeit ID card according to a preferred embodiment of the present invention
  • FIG. 2 is a block diagram schematically illustrating the construction of the central control unit 20 of the apparatus 10 for detecting a counterfeit ID card.
  • the apparatus for detecting counterfeit ID cards according to the present invention includes a central control unit 20 for controlling overall operation, memory 70 for storing a database, a card inlet 22, a display unit 40, a natural light source 50, an UV light source 52, and a camera 60.
  • the central control unit 20 includes an image acquisition module 120, an ID card type determination module 130, and a counterfeit card detection module 140. The respective components are described in detail below.
  • the memory 70 of the apparatus 10 for detecting counterfeit ID cards stores a plurality of databases, including a counterfeit card detection method database 102 for storing and managing optimal counterfeit card detection methods for respective types of ID cards, a font database 104 for storing and managing the patterns of fonts used in respective types of ID cards, a reflected wavelength database 106 for storing and managing information about wavelengths reflected from substances constituting the surfaces of respective ID cards irradiated with UV lamp light, a secret mark database 107 for storing and managing information about secret marks, which are formed on the respective types of ID cards and respond to specific kinds of light, and a hologram database 108 storing and managing information about holograms formed on respective types of ID cards, as illustrated in FIG. 3.
  • a counterfeit card detection method database 102 for storing and managing optimal counterfeit card detection methods for respective types of ID cards
  • a font database 104 for storing and managing the patterns of fonts used in respective types of ID cards
  • a reflected wavelength database 106 for storing and managing information about wavelengths reflected from substances
  • the image acquisition module 120 is a device for acquiring the image of an ID card inserted into the card inlet 22, and captures the surface of the ID card using the natural light source 50, the UV light source 52 and the camera 60.
  • the ID card type determination module 130 includes a character recognizer, for recognizing characters in an image, recognizes characters indicating the types of ID cards in the image captured by the image acquisition module 120, and determines the types of ID cards. For example, when characters "Resident Registration Card” are detected in an captured image, the corresponding ID card is determined to be a resident registration card. When characters "Driver License” are detected in an captured image, the related ID card is determined to be a driver's license .
  • the counterfeit card detection module 140 reads the optimal counterfeit card detection method from the counterfeit card detection method database 102 according to the type of ID card, determined by the ID card type determination module, and determines whether the ID card is counterfeit using the optimal counterfeit card detection method.
  • the counterfeit card detection module 140 includes an ID card font verification unit 132, a reflected wavelength verification unit 134, a secret mark verification unit 135, a hologram verification unit 136 and a fingerprint verification unit 138.
  • the ID card font verification unit 132 compares the font of the characters of the image of an ID card, acquired by the image acquisition module, with the font of corresponding characters in the font database, and determines whether they are identical to each other, thereby determining whether the ID card is counterfeit .
  • FIG. 4 is a diagram illustrating the exemplary operation of the ID card font verification unit 132 according to the preferred embodiment of the preset invention. As illustrated in FIG. 4, the ID card font verification unit 132 extracts the enlarged image (b) of the character "R" at the specific location of the resident registration card, reads the pattern (a) of ⁇ R' from the item "Resident Registration Card” of the font database and then compares them with each other.
  • the reflected wavelength verification unit 134 measures the wavelength of light emitted from the UV light source and reflected from the surface of the ID card, compares the measured reflected wavelength with corresponding information in the reflected wavelength database, and determines whether they are identical to each other, thereby determining whether the ID card is counterfeit.
  • the secret mark verification unit 135 detects the secret mark, which is a mark responding to the UV light, which is a specific kind of light, from the surface of the ID card, compares the detected secret mark with a corresponding mark in the secret mark database, and determines whether they are identical to each other, thereby determining whether the ID card is counterfeit.
  • the hologram verification unit 136 detects a hologram and the reflected wavelength of the hologram depending on the location and angle of capture, from the surface of the ID card, or measures the amount of light in a specific location or region, compares the detected hologram data with corresponding information in the hologram database, and determines whether they are identical to each other, thereby determining whether the ID card is counterfeit.
  • the fingerprint verification unit 138 includes a fingerprint recognizer for acquiring the fingerprint image of a card holder and acquires the fingerprint image of the card holder, acquires a fingerprint image printed on the ID card using the image acquisition module, compares the fingerprint image of the card holder and the fingerprint image on the ID card, and determines whether they are identical to each other, thereby determining whether the ID card is counterfeit.
  • the counterfeit card detection module 140 having the above-described construction determines whether a resident registration card is counterfeit using the ID card font verification unit, the reflected wavelength verification unit, the hologram verification unit and the fingerprint verification unit according to the optimal counterfeit card detection method in the counterfeit card detection method database when the type of ID card is the resident registration card.
  • the counterfeit card detection module 140 determines whether a driver' s license is counterfeit using the ID card font verification unit, the secret mark verification unit, and the hologram verification unit according to the optimal counterfeit card detection method in the counterfeit card detection method database when the type of ID card is the driver's license.
  • the determination result is displayed on the display unit 40, thereby informing the user thereof.
  • FIG. 5 is a flowchart illustrating the operation of the apparatus 10 for detecting counterfeit ID cards.
  • the image of the surface of an inserted ID card is first captured at step S300.
  • the type of ID card is determined using the captured image at step S310, and then the counterfeit card detection method most suitable for the ID card is read from a database at step S320. Whether the ID card is counterfeit is determined by performing the read optimal counterfeit card detection method at step S330. If the ID card is determined to be counterfeit, it is reported that the ID card is counterfeit, and then the process is terminated at step S340. If the ID card is determined to be genuine, it is reported that the ID card is genuine, and then the process is terminated at step S350.
  • another embodiment of the present invention further includes a management computer.
  • the determination result from the counterfeit ID card detection module and the images acquired by the image acquisition module are transmitted to and managed by the management computer .
  • the apparatus for detecting counterfeit ID cards can be used for a field for verifying the counterfeiting and alteration of ID cards.

Abstract

The preset invention relates to an apparatus and method for detecting counterfeit identification cards. The apparatus for detecting counterfeit identification cards includes an internal database and a central control unit. The central control unit includes an image acquisition module for acquiring the image of an ID card, an ID card type determination module for recognizing a character from the image acquired by the image acquisition module and then determining the type of the ID card, and a counterfeit card detection module for reading an optimal counterfeit card detection method from a counterfeit card detection method database based on the type of the ID card determined by the ID card type determination module, and determining whether the ID card is counterfeit using the read optimal counterfeit card detection method.

Description

[DESCRIPTION]
[invention Title]
APPARATUS FOR DETECTING COUNTERFEIT IDENTIFICATION CARD AND METHOD THEREOF
[Technical Field]
The present invention relates, in general, to an apparatus and method for detecting counterfeit identification cards, and, more particularly, to an apparatus and method for determining the types of ID cards inserted into the apparatus and determining whether the ID cards are counterfeit based on the determined types of ID cards .
[Background Art]
Generally, a card holder' s photograph is attached to an Identification (ID) card, such as a resident registration card, a driver's license or a passport, and, therefore, whether the ID card holder's face is identical to the photograph of the ID card is verified by comparing them with each other. Such a conventional ID card is manufactured simply by attaching a photograph and then printing characters. Therefore, when a malicious person detaches an original photograph from an ID card and then attaches another person's photograph thereto, or forges printed characters, thereby counterfeiting the ID card, it is impossible to determine whether the ID card is counterfeit, so that the counterfeit ID card may be abused in various kinds of crimes . In order to resolve the problem, various schemes for preventing the counterfeiting and alteration of ID cards have been proposed.
[Disclosure] [Technical Problem] Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide an apparatus for detecting counterfeit ID cards, which determines the types of ID cards inserted into the apparatus and determines whether the ID cards are counterfeit based on the determined types of ID cards .
[Technical Solution]
In order to accomplish the above object (s), the present invention provides an apparatus for detecting counterfeit cards, including memory including a counterfeit card detection method database for storing and managing optimal counterfeit card detection methods for respective types of ID cards, a font database for storing and managing patterns for fonts used in the respective ID cards for respective types of ID cards, a reflected wavelength database for storing and managing information about wavelengths reflected from substances constituting surfaces of ID cards for respective types of ID cards, a secret mark database for storing and managing information about secret marks, which are marks printed on surfaces of ID cards and each respond to a specific kind of light, for respective types of ID cards, and a hologram database for storing and managing information about holograms formed on the respective ID cards, a fingerprint recognizer for acquiring the fingerprint image of a card holder, a card inlet into which an ID card is inserted, a camera for capturing an image of the ID card, one or more light sources for providing back light for the camera, and a central control unit for controlling overall operation, wherein the central control unit includes an image acquisition module for acquiring the image of the ID card inserted into the card inlet using the camera, an ID card type determination module for recognizing a character from the image acquired by the image acquisition module and then determining a type of the ID card, and a counterfeit card detection module for reading an optimal counterfeit card detection method from the counterfeit card detection method database based on the type of the ID card determined by the ID card type determination module, and determining whether the ID card is counterfeit using the read optimal counterfeit card detection method.
Preferably, the counterfeit card detection module includes an ID card font verification unit for comparing a font of the image of the ID card acquired by the image acquisition unit with a pattern of a corresponding character of the font database, thereby determining whether the ID card is counterfeit, a reflected wavelength verification unit for comparing a measured reflected wavelength with corresponding information in the reflected wavelength database and determining whether they are identical to each other, thereby determining whether the ID card is counterfeit, a secret mark verification unit for detecting a secret mark on a surface of the ID card, comparing the detected secret mark with corresponding information in the secret mark database and determining whether they are identical to each other, thereby determining whether the ID card is counterfeit, a hologram verification unit for detecting a hologram formed on each ID card, comparing the detected hologram with a corresponding hologram of the hologram database and determining whether they are identical to each other, thereby determining whether the ID card is counterfeit, and a fingerprint verification unit for acquiring an image of a fingerprint from an ID card having a printed fingerprint, comparing an image of a fingerprint acquired by the fingerprint recognizer with the image of the fingerprint on the ID card and determining whether they are identical to each other, thereby determining whether the ID card is counterfeit.
It is preferred that the counterfeit card detection unit of the apparatus determines whether the ID card is counterfeit using at least one of the ID card font verification unit, the fingerprint verification unit, and the hologram verification unit when the type of the ID card is determined to be a resident registration card. It is preferred that the counterfeit card detection unit of the apparatus determines whether the ID card is counterfeit using at least one of the ID card font verification unit, the reflected wavelength verification unit, and, the hologram verification unit if the type of the ID card is determined to be a driver's license.
[Advantageous Effects]
According to the present invention, the types of ID cards are determined, optimal counterfeit ID card detection methods are read, and whether the ID cards are counterfeit and determined. Furthermore, according to the present invention, whether the ID cards are counterfeit can be determined using an internal database other than a remote database, so that whether the ID cards are counterfeit can be rapidly determined.
Furthermore, according to the present invention, whether various types of ID cards are counterfeit can be simply determined.
[Description of Drawings] FIG. 1 is a block diagram schematically illustrating the construction of an apparatus for detecting a counterfeit ID card according to a preferred embodiment of the present invention;
FIG. 2 is a block diagram schematically illustrating the construction of the central control unit of the apparatus for detecting a counterfeit ID card according to a preferred embodiment of the present invention;
FIG. 3 is a block diagram schematically illustrating the databases of the apparatus for detecting a counterfeit ID card according to a preferred embodiment of the present invention;
FIG. 4 is a diagram explaining an identification font verification unit among the counterfeit card detection modules of the apparatus for detecting a counterfeit ID card according to a preferred embodiment of the present invention; and
FIG. 5 is a flowchart illustrating the construction of the central control unit of the apparatus for detecting a counterfeit ID card according to a preferred embodiment of the present invention.
[Best Mode]
The construction and operation of an apparatus for detecting a counterfeit ID card according to a preferred embodiment of the present invention are described in detail below.
FIG. 1 is a block diagram schematically illustrating the construction of an apparatus 10 for detecting a counterfeit ID card according to a preferred embodiment of the present invention, and FIG. 2 is a block diagram schematically illustrating the construction of the central control unit 20 of the apparatus 10 for detecting a counterfeit ID card. Referring to FIGS. 1 and 2, the apparatus for detecting counterfeit ID cards according to the present invention includes a central control unit 20 for controlling overall operation, memory 70 for storing a database, a card inlet 22, a display unit 40, a natural light source 50, an UV light source 52, and a camera 60. The central control unit 20 includes an image acquisition module 120, an ID card type determination module 130, and a counterfeit card detection module 140. The respective components are described in detail below.
First, the memory 70 of the apparatus 10 for detecting counterfeit ID cards stores a plurality of databases, including a counterfeit card detection method database 102 for storing and managing optimal counterfeit card detection methods for respective types of ID cards, a font database 104 for storing and managing the patterns of fonts used in respective types of ID cards, a reflected wavelength database 106 for storing and managing information about wavelengths reflected from substances constituting the surfaces of respective ID cards irradiated with UV lamp light, a secret mark database 107 for storing and managing information about secret marks, which are formed on the respective types of ID cards and respond to specific kinds of light, and a hologram database 108 storing and managing information about holograms formed on respective types of ID cards, as illustrated in FIG. 3.
The image acquisition module 120 is a device for acquiring the image of an ID card inserted into the card inlet 22, and captures the surface of the ID card using the natural light source 50, the UV light source 52 and the camera 60.
The ID card type determination module 130 includes a character recognizer, for recognizing characters in an image, recognizes characters indicating the types of ID cards in the image captured by the image acquisition module 120, and determines the types of ID cards. For example, when characters "Resident Registration Card" are detected in an captured image, the corresponding ID card is determined to be a resident registration card. When characters "Driver License" are detected in an captured image, the related ID card is determined to be a driver's license .
The counterfeit card detection module 140 reads the optimal counterfeit card detection method from the counterfeit card detection method database 102 according to the type of ID card, determined by the ID card type determination module, and determines whether the ID card is counterfeit using the optimal counterfeit card detection method. The counterfeit card detection module 140 includes an ID card font verification unit 132, a reflected wavelength verification unit 134, a secret mark verification unit 135, a hologram verification unit 136 and a fingerprint verification unit 138.
The ID card font verification unit 132 compares the font of the characters of the image of an ID card, acquired by the image acquisition module, with the font of corresponding characters in the font database, and determines whether they are identical to each other, thereby determining whether the ID card is counterfeit . FIG. 4 is a diagram illustrating the exemplary operation of the ID card font verification unit 132 according to the preferred embodiment of the preset invention. As illustrated in FIG. 4, the ID card font verification unit 132 extracts the enlarged image (b) of the character "R" at the specific location of the resident registration card, reads the pattern (a) of ΛR' from the item "Resident Registration Card" of the font database and then compares them with each other.
The reflected wavelength verification unit 134 measures the wavelength of light emitted from the UV light source and reflected from the surface of the ID card, compares the measured reflected wavelength with corresponding information in the reflected wavelength database, and determines whether they are identical to each other, thereby determining whether the ID card is counterfeit.
The secret mark verification unit 135 detects the secret mark, which is a mark responding to the UV light, which is a specific kind of light, from the surface of the ID card, compares the detected secret mark with a corresponding mark in the secret mark database, and determines whether they are identical to each other, thereby determining whether the ID card is counterfeit.
The hologram verification unit 136 detects a hologram and the reflected wavelength of the hologram depending on the location and angle of capture, from the surface of the ID card, or measures the amount of light in a specific location or region, compares the detected hologram data with corresponding information in the hologram database, and determines whether they are identical to each other, thereby determining whether the ID card is counterfeit. The fingerprint verification unit 138 includes a fingerprint recognizer for acquiring the fingerprint image of a card holder and acquires the fingerprint image of the card holder, acquires a fingerprint image printed on the ID card using the image acquisition module, compares the fingerprint image of the card holder and the fingerprint image on the ID card, and determines whether they are identical to each other, thereby determining whether the ID card is counterfeit.
The counterfeit card detection module 140 having the above-described construction determines whether a resident registration card is counterfeit using the ID card font verification unit, the reflected wavelength verification unit, the hologram verification unit and the fingerprint verification unit according to the optimal counterfeit card detection method in the counterfeit card detection method database when the type of ID card is the resident registration card.
Furthermore, the counterfeit card detection module 140 determines whether a driver' s license is counterfeit using the ID card font verification unit, the secret mark verification unit, and the hologram verification unit according to the optimal counterfeit card detection method in the counterfeit card detection method database when the type of ID card is the driver's license. The determination result is displayed on the display unit 40, thereby informing the user thereof.
The operation of the apparatus 10 for detecting counterfeit ID cards having the above-described construction is described with reference to FIG. 5. FIG. 5 is a flowchart illustrating the operation of the apparatus 10 for detecting counterfeit ID cards.
Referring to FIG. 5, the image of the surface of an inserted ID card is first captured at step S300. The type of ID card is determined using the captured image at step S310, and then the counterfeit card detection method most suitable for the ID card is read from a database at step S320. Whether the ID card is counterfeit is determined by performing the read optimal counterfeit card detection method at step S330. If the ID card is determined to be counterfeit, it is reported that the ID card is counterfeit, and then the process is terminated at step S340. If the ID card is determined to be genuine, it is reported that the ID card is genuine, and then the process is terminated at step S350.
Meanwhile, another embodiment of the present invention further includes a management computer. The determination result from the counterfeit ID card detection module and the images acquired by the image acquisition module are transmitted to and managed by the management computer .
Although the present invention is described with reference to preferred embodiments as described above, they are only examples and do not limit the present invention. It is apparent that those skilled in the art can perform various types of modification and application on the present invention within a range not departing from the essential characteristic of the invention. For example, although, in the embodiment of the present invention, the types of ID cards, on which counterfeit ID card detection is performed, are described only as a resident registration card and a driver' s license, and counterfeit ID card detection methods are experimental, the types of ID cards can be not only expanded and the construction of a counterfeit ID card detection module can be also modified in various manners depending on the types of ID cards in order to improve the performance of the apparatus . Furthermore, the differences associated with the modifications and applications are understood to be included in the scope of the present invention as disclosed in the accompanying claims .
[industrial Applicability] The apparatus for detecting counterfeit ID cards can be used for a field for verifying the counterfeiting and alteration of ID cards.

Claims

[CLAIMS]
[Claim l]
An apparatus for detecting counterfeit cards, comprising: a counterfeit card detection method database for storing and managing optimal counterfeit card detection methods for respective types of Identification (ID) cards; a central control unit for controlling overall operation; a card inlet into which an ID card is inserted; a camera for capturing an image of the ID card; and a light source for providing back light for the camera; wherein the central control unit comprises : an image acquisition module for acquiring the image of the ID card inserted into the card inlet using the camera; an ID card type determination module for recognizing a character from the image acquired by the image acquisition module and then determining a type of the ID card; and a counterfeit card detection module for reading an optimal counterfeit card detection method from the counterfeit card detection method database based on the type of the ID card determined by the ID card type determination module, and determining whether the ID card is counterfeit using the read optimal counterfeit card detection method.
[Claim 2]
The apparatus according to claim 1, further comprising a font database for storing and managing patterns of fonts used for respective types of ID cards;
Wherein the counterfeit card detection module comprises an ID card font verification unit for comparing a font of the image of the ID card acquired by the image acquisition unit with a pattern of a corresponding character in the font database, thereby determining whether the ID card is counterfeit.
[Claim 3]
The apparatus according to claim 1, further comprising a reflected wavelength database for storing and managing information about wavelengths reflected from substances constituting surfaces of ID cards for respective types of ID cards; wherein the counterfeit card detection module comprises a reflected wavelength verification unit for comparing a measured reflected wavelength with corresponding information in the reflected wavelength database and determining whether they are identical to each other, thereby determining whether the ID card is counterfeit.
[Claim 4]
The apparatus according to claim 1, further comprising a secret mark database for storing and managing information about secret marks, which are marks printed on surfaces of ID cards and each respond to a specific type of light, for respective types of ID cards; wherein the counterfeit card detection module comprises a secret mark verification unit for detecting a secret mark on a surface of the ID card, comparing the detected secret mark with corresponding information in the secret mark database and determining whether they are identical to each other, thereby determining whether the ID card is counterfeit.
[Claim 5]
The apparatus according to claim 1, further comprising a hologram database for storing and managing information about holograms formed on the respective ID cards; wherein the counterfeit card detection module comprises a hologram verification unit for detecting a hologram formed on each ID card, comparing the detected hologram with a corresponding hologram in the hologram database and determining whether they are identical to each other, thereby determining whether the ID card is counterfeit.
[Claim 6]
The apparatus according to claim 1, further comprising a fingerprint recognizer for acquiring an image of a fingerprint of an ID card holder; wherein the counterfeit card detection module comprises a fingerprint verification unit for acquiring an image of a fingerprint from an ID card having a printed fingerprint, comparing the image of the fingerprint acquired by the fingerprint recognizer with the image of the fingerprint on the ID card and determining whether they are identical to each other, thereby determining whether the ID card is counterfeit.
[Claim 7]
The apparatus according to claim 1, further comprising a font database for storing and managing patterns for fonts used in the respective ID cards for respective types of ID cards; a reflected wavelength database for storing and managing information about wavelengths reflected from substances constituting surfaces of ID cards for respective types of ID cards; a secret mark database for storing and managing information about secret marks, which are marks printed on surfaces of ID cards and each respond to a specific kind of light, for respective types of ID cards; a hologram database for storing and managing information about holograms formed on the respective ID cards; and a fingerprint recognizer for acquiring an image for a fingerprint of an ID card holder; wherein the counterfeit card detection module comprises: an ID card font verification unit for comparing a font of the image of the ID card acquired by the image acquisition unit with a pattern of a corresponding character of the font database, thereby determining whether the ID card is counterfeit; a reflected wavelength verification unit for comparing a measured reflected wavelength with corresponding information in the reflected wavelength database and determining whether they are identical to each other, thereby determining whether the ID card is counterfeit; a secret mark verification unit for detecting a secret mark on a surface of the ID card, comparing the detected secret mark with corresponding information in the secret mark database and determining whether they are identical to each other, thereby determining whether the ID card is counterfeit; a hologram verification unit for detecting a hologram formed on each ID card, comparing the detected hologram with a corresponding hologram of the hologram database and determining whether they are identical to each other, thereby determining whether the ID card is counterfeit; and a fingerprint verification unit for acquiring an image of a fingerprint from an ID card having a printed fingerprint, comparing an image of a fingerprint acquired by the fingerprint recognizer with the image of the fingerprint on the ID card and determining whether they are identical to each other, thereby determining whether the ID card is counterfeit.
[Claim 8] The apparatus according to claim 7, wherein the counterfeit card detection unit of the apparatus determines whether the ID card is counterfeit using at least one of the ID card font verification unit, the fingerprint verification unit, and the hologram verification unit when the type of the ID card is determined to be a resident registration card.
[Claim 9]
The apparatus according to claim 7, wherein the counterfeit card detection unit of the apparatus determines whether the ID card is counterfeit using at lease one of the ID card font verification unit, the reflected wavelength verification unit, and, the hologram verification unit if the type of the ID card is determined to be a driver's license.
PCT/KR2006/002751 2005-07-14 2006-07-13 Apparatus for detecting counterfeit identification card and method thereof WO2007008040A1 (en)

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