JP2004118643A - Auxiliary device for id card authenticity determination - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an ID card authenticity determination auxiliary device for aiding the authenticity determination of an ID card. <P>SOLUTION: Feature information being information related with the feature place of an ID card and a key associated with the feature information are preliminarily stored so as to be made to correspond to each other in this ID card authenticity determination auxiliary device. As for an objective ID card being the object of authenticity determination, the key is acquired, and the feature information corresponding to the key is extracted from the stored feature information. Thus, it is possible to aid the authenticity determination of the objective ID card. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a device for assisting in authenticity determination of an ID card.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, an automatic contract machine has been used to determine the authenticity of an ID card such as a license. At that time, the image of the ID card taken in by the scanner provided in the automatic contract machine is displayed on the monitor of the terminal operated by the operator, and the operator visually checks the image to determine the authenticity. The operator has used the characteristic part (background color, character font, description format, etc.) of the ID card as a criterion for determination.
[0003]
There is also a device for determining the authenticity of a driver's license of a car, the validity of a term, the age of a license holder, and the like (for example, see Patent Document 1).
[0004]
[Patent Document 1]
JP 2000-11147 A
[Problems to be solved by the invention]
However, even if the IDs are issued by the same institution, if the characteristics of the ID card are different depending on the issuance time, issuance place, etc., the operator does not know all the differences, and as a result, the authenticity judgment is made. It was easy to make mistakes. As an example, consider a case where the font used for an ID card issued by a certain issuing organization has been changed from Mincho to Gothic. Conventionally, the operator may not recognize this change and may incorrectly judge that the ID card is genuine even if the ID card is forged using the Mincho style.
[0006]
SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and has as its object to provide an ID card authenticity discrimination assisting device that assists in authenticity discrimination of an ID card.
[0007]
[Means for Solving the Problems]
An ID card authenticity determination assisting apparatus according to the present invention that solves at least a part of the above-described problem holds feature information, which is information on a characteristic portion of the ID card, and a key associated with the feature information in advance. Then, a key is obtained for the target ID card to be authenticated, and feature information corresponding to the key is extracted. Also, based on the extracted extracted feature information, it outputs auxiliary information that assists in determining the authenticity of the target ID card.
[0008]
According to the present invention, it is possible to determine the authenticity of various ID cards having different characteristics by managing the characteristic information of the ID card and extracting the ID information as appropriate with a key. In other words, if the ID card has different characteristics for each specific condition, it is easy to determine that the ID card is forged even if the other part is completely imitated.
[0009]
In the present invention, a key may be automatically obtained from an ID card to be authenticated (hereinafter, referred to as a target ID card). Then, there is no need to ask the owner of the ID card or the operator who determines the authenticity of the ID card, and the procedure and processing are simplified. The automatic acquisition may be performed by capturing an image of the ID card and performing character recognition, or by optically and magnetically reading information from the ID card.
[0010]
The key may be configured to include at least one of an ID card issuing organization and an issue date. The fact that the characteristic information of the ID card actually differs largely depends on the issuer and the issue date. Therefore, the characteristic information can be efficiently managed by setting the key to the issuer and the issue date.
[0011]
When the issue date is used as a key, it is also possible to determine the authenticity based on feature information in which the issue date is within a predetermined period including the issue date of the target ID card. This is effective when there is no issue date feature information matching the issue date of the target ID card in the data. As the predetermined period, various settings such as a period starting from the issue date, a period ending with the issue date, and a period centering on the issue date are possible.
[0012]
Further, based on a comparison with feature information (hereinafter, referred to as card feature information) of the target ID card from feature information (hereinafter, referred to as extracted feature information) extracted by the key, the similarity between the two is quantitatively determined. You may decide. Based on the degree of similarity, it can be determined whether to output each extracted feature information as auxiliary information. This makes it possible to select information useful for authenticity determination when a plurality of pieces of feature information are extracted by a key. The evaluation of the degree of similarity can be performed by various methods. For example, the evaluation can be performed based on the number of items where the card feature information of the ID card matches the extracted feature information extracted by the key. In this case, a weighting factor may be considered for each item.
[0013]
At the time of evaluation of the degree of similarity, the acquisition of card feature information from the target ID card may be performed automatically. As an example, it may be performed automatically by image recognition.
[0014]
As auxiliary information for authenticity determination, it is also possible to output the card feature information of the target ID card and the extracted feature information extracted from the managed data in a comparable manner. Then, the difference between the two can be easily understood by the operator, and the accuracy of the true / false judgment can be improved. Furthermore, it is also possible to employ a configuration in which different portions of the characteristic information of the target ID card and the characteristic information extracted from the managed data are emphasized and output. Then, the operator can more easily grasp the difference in the feature information.
[0015]
When it is determined that the ID card is true, the feature information of the target ID card may be added to the data to be managed. By doing so, maintenance of the managed data can be easily performed. For example, since the managed feature information is not complete, even if the managed feature information and the feature information of the target ID card do not match, the target ID card is determined based on various other credit investigations. It may be determined to be authentic. In such a case, by newly registering the characteristic information of the target ID card determined to be authentic, the managed characteristic information can be enhanced.
[0016]
In the case where data is newly added as described above, if the feature information that completely matches the feature information of the target ID card is held first, the configuration may be such that the feature information of the target ID card is not newly held. It is possible. By doing so, it is possible to prevent the size of the possessed data from increasing. On the other hand, the key corresponding to the held feature information may be changed to include the key of the target ID card. For example, the issue date and the range of issue organizations registered as keys may be changed to include the issue date and issue organization of the target ID card.
[0017]
The ID card may be a driver's license. Driving licenses are widely used as identification cards, and because they are appropriate in size, they are easily subject to authenticity discrimination. The present invention is also applicable to various ID cards such as passports and employee ID cards.
[0018]
The present invention can be configured in various aspects. For example, an ID card authenticity discrimination assisting method for assisting the discrimination of the ID card authenticity by outputting the above-described auxiliary information using a computer may be employed. The present invention may be configured as a computer program for causing a computer to realize such a function, and a computer-readable recording medium on which such a computer program is recorded. Here, various types of recording media such as a CD-ROM, a DVD, and a flexible disk can be used.
[0019]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described by dividing them into the following items.
A. Example:
A1. overall structure:
A2. Function block:
A3. Database:
A4. processing:
A5. effect:
B. Modification:
[0020]
A. Example:
A1. overall structure:
Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is an overall configuration diagram of an automatic contract system 22 as an embodiment. The automatic contract system 22 is configured by connecting an automatic contract machine 20 and an operator terminal 30 via a network 25. The network 25 can be configured using various communication lines such as a public communication line and a dedicated line. The operator terminal 30 is a device operated by the operator of the financial institution, and functions as a contract processing device that acquires information necessary for a contract from the automatic contract machine 20 and executes a contract process. In this embodiment, the system is constructed by installing software necessary for the contract processing on a general-purpose personal computer having a function of connecting to the network 25.
[0021]
When creating a contract card, a person desiring to create a contract card operates the automatic contract machine 20, inputs a name and other necessary items, and presents a driver's license as an identification card. If the presented driver's license is true, the identity can be confirmed, but if the driver's license is false, the identity cannot be confirmed, so no contract card is issued. As described below, the automatic contract system 22 has a function of assisting the authenticity determination of the driver's license.
[0022]
A2. Function block:
FIG. 2 is a functional block diagram of the automatic contract system 22. The automatic contract machine 20 includes a CPU, a ROM, and a RAM, and has a built-in control unit configured as a microcomputer. Each of the illustrated functional blocks is configured as software in the control unit. The functional blocks of the operator terminal 30 are similarly configured in software. Note that these functional blocks can be configured as hardware.
[0023]
First, the function of the automatic contract machine 20 will be described. The guidance unit 35 controls the CRT 37 and the speaker 39 to provide guidance to the person desiring to create the operation procedure of the apparatus. The input unit 40 receives an input of customer information or the like from a creation applicant via a touch panel. The document confirmation mechanism unit 45 controls the document camera 47 and the document lamp 49, and takes in various types of contract documents and personal identification document images such as a driver's license. The card issuing section 65 manages the issuance of a contract card. The control unit 50 controls each function unit. The communication control unit 60 controls communication with the operator terminal 30 via a communication network. The storage device 55 stores various data required for processing in the automatic contract machine 20.
[0024]
Next, functions of the operator terminal 30 will be described. The database management unit 100 manages various databases 110 required for an automatic contract. Although details of the database 110 will be described later, the database 110 includes a database that stores a number of characteristic portions (hereinafter, referred to as characteristic information) serving as criteria for determining the authenticity of a driver's license. The control unit 70 controls each function unit and recognizes characters such as “issuing date” and “issuing organization” based on the image data of the driver's license captured by the automatic contract machine 20. The communication control unit 75 controls communication with the automatic contract machine 20 via a communication line network. The extracting unit 95 extracts characteristic information from the database 110 based on the “issuing date” and the “issuing organization” recognized by the control unit 70 as characters. The assisting unit 85 outputs the feature information extracted by the extracting unit 95 as information for assisting the authenticity determination of the driver's license.
[0025]
The feature acquisition unit 80 uses feature information (hereinafter, card feature information) based on image data transmitted from the automatic contract machine 20 as information to be compared with feature information extracted from the database 110 (hereinafter, referred to as extracted feature information). Call). The similarity determination unit 105 quantitatively determines the similarity between the card feature information and the extracted feature information, and selects the extracted feature information to be used for authenticity determination. The result obtaining unit 90 obtains the result of the truth determination performed by the operator. Further, maintenance of the database 110 is also performed according to the determination result.
[0026]
A3. Database:
The database 110 in FIG. 2 includes a feature information database 115 and an extraction database 145. The feature information database 115 is a database in which feature information serving as a criterion for authenticity determination is registered. The extraction database 145 is a database that is temporarily generated in the process of discrimination according to the driver's license to be authenticated.
[0027]
Before proceeding to the description of the feature information database 115, a driver's license will be described first. FIG. 3 is an explanatory diagram showing the relationship between the driver's license 140 and the feature information. The characteristic information of the driver's license 140 includes a character font 125, color information 135, and the like. In the feature information, the areas to be obtained are defined by X and Y coordinates with the origin O at the intersection of the left side and the lower side of the driver's license. These pieces of feature information are registered in the feature information database 115 using the issuing organization 130 and the issue date 120 as keys.
[0028]
FIG. 4 is an explanatory diagram illustrating an example of the feature information database. The issuing agency 130 is stored except for the section called “Public Safety Commission”. The color information 135 represents the average color in the area (X3, Y3)-(X4, Y4) of the driver's license 140 in RGB conversion. The character font 125 indicates the font of the character in the area (X1, X2)-(X2, Y2) of the driver's license 140.
[0029]
The “registration number” is a number that is exclusively assigned to the feature information when the feature information is registered. “Image information” is image data read by the document confirmation mechanism unit 45. As the “image information”, the front image, the back image, and the watermark image of the driver's license 140 are stored.
[0030]
FIG. 5 is an explanatory diagram illustrating an example of the extraction database 145. The extraction database 145 is composed of records extracted from the feature information database 115 by using the issue date 120 and the issuing organization 130 described in the driver's license to be authenticated as keys in the process of authenticity determination. Database. In this embodiment, only the feature information excluding the issue date 120 and the issuer 130 and the registration number are extracted. Also, the characteristic information of the target license (hereinafter referred to as target characteristic information) is also stored. For each extracted record, as described later, a determination is made for each item as to whether it matches the target feature information, and the extraction database 145 also stores the determination result.
[0031]
A4. processing:
Next, the true / false determination processing in the automatic contract system 22 will be described. FIG. 6 is a flowchart illustrating the authenticity determination processing. The flowchart on the left is a flowchart of the automatic contract machine 20, and the flowchart on the right is a flowchart of the operator terminal 30.
[0032]
The person who wants to create the license sets the target license in the document confirmation mechanism unit 45 in the automatic contract machine 20 according to the guidance of the guidance unit 35. In response, the document confirmation mechanism unit 45 acquires the front image, the back image, and the watermark image of the target license (step S20).
[0033]
Further, the creation applicant also inputs personal information in accordance with the guidance of the guidance unit 35. The automatic contract machine 20 acquires personal information (step S32). Then, the image data acquired in step S20 and the personal information acquired in step S32 are transmitted to the operator terminal 30 (step S34).
[0034]
Upon receiving the information transmitted from the automatic contract machine 20 (step S35), the operator terminal 30 recognizes the characters of the image data, and acquires the issuing organization 130 and the issue date 120. Then, the feature information database 115 is searched using the issuing institution 130 and the issue date 120 as keys, and a corresponding record is extracted to create an extraction database 145 (step S40). In the present embodiment, a search is made for records in which the issuing organization 130 is the same, and the issue date 120 is a predetermined number of days before and after the issue date 120 as a key. The predetermined number of days can be set arbitrarily, and is set to two weeks in this embodiment. In the example of FIG. 3, the issuing organization 130 is “Aichi Prefecture”, and the issue date 120 is 10 days before and after “February 17, 2000”, that is, from “February 07, 2000”. Records up to “February 28, 2000” will be searched.
[0035]
Next, the characteristic obtaining unit 80 obtains target characteristic information from the image data of the target license (step S45). The area from which the target feature information is acquired is as registered in the feature information database 115. For example, in the driving license 140 of FIG. 3, the color information 135 is acquired based on the color of the area (X3, Y3)-(X4, Y4). The character font 125 is obtained by recognizing the character used in the area (X1, Y1)-(X2, Y2). Here, for convenience of explanation, it is assumed that the color information 135 is "0, 0, 255" and the character font 125 is "Gothic", as shown in FIG. The acquired target feature information is stored in the extraction database 145 (step S50).
[0036]
Next, the similarity determination unit 105 determines, for each item of the characteristic information, whether or not the extracted record matches the target characteristic information (step S55). In the example of FIG. 5, since the character font 125 of the target feature information is “Gothic”, both the record of the registration number 100 and the record of the registration number 101 are determined to be “mismatch”. Since the color information 135 of the target feature information is “0, 0, 255”, it is determined that the record of the registration number 100 matches and the record of the registration number 101 does not match. Although not shown, such comparison is performed for all items of the feature information.
[0037]
When the determination for each item is completed, the operator terminal 30 selects the record having the most items of "match" as comparison feature information (step S60). In the example of FIG. 5, the registration number 100 is selected. In this embodiment, the matching and non-matching of each item are treated equally, but the weight may be considered for each item.
[0038]
If there is feature information that matches all items (step S62), the match flag is set to 1 (step S64). The match flag is a flag indicating whether or not feature information that completely matches the target feature information already exists in the feature information database 115, and is used for maintenance of the feature information database 115 described later.
[0039]
Next, the auxiliary unit 85 displays the image of the record selected as the comparison and the image of the target license side by side on the monitor of the operator terminal 30 (step S70). At this time, the personal information received from the automatic contract machine 20 is also displayed.
[0040]
The operator performs preliminary examination work based on the displayed information. Specifically, the difference between the target feature information and the comparison target feature information is confirmed from the image, or the existence of the person is confirmed by telephone or the like based on the personal information. As a result of the preliminary examination, the operator can determine the authenticity of the target license, so the operator inputs the authenticity of the target license to the operator terminal 30 (step S80). For example, if no substantial difference is found between the target feature information and the comparison target feature information, the license is determined to be “true”. Even if there is a substantial difference between the two, the license may be inferred to be "true" by other personal information-based investigations or the like. This is because the feature information database 115 does not necessarily cover the feature information of all existing licenses.
[0041]
If the driver's license 140 is determined to be forged, the operator terminal 30 terminates the process without issuing a card. On the other hand, when the driver's license 140 is determined to be “true” (step S85), the feature information database 115 is maintained. If the match flag is not “1” (step S90), it means that the feature information that matches the feature information of the target driver's license has not been registered in the feature information database 115. The target feature information is newly registered in the information database 115 (step S95). When the match flag is “1”, the target feature information is not registered in the feature information database 115. This is for suppressing the size of the feature information database 115.
[0042]
FIG. 7 is an explanatory diagram showing a display image for authenticity determination. The display image 160 includes an image of a target license (hereinafter, referred to as a confirmation image 142), an image of a driver's license corresponding to feature information to be compared (hereinafter, referred to as a reference image 144), a comparison result 155, and a display location. And a button 150. That is, the display data requires the image data of the confirmation image 142, the image data of the reference image 144, the comparison result data, and the display location button data.
[0043]
The comparison result data is created in a format of “item name: XX is different” by clearly specifying an item name for each item that is “mismatch”. If the match flag is 1, the comparison result data is set to "all match".
[0044]
Further, when the comparison result 155 is selected, the image data of the reference image 144 and the comparison result data are associated with each other so that the portion of the reference image 144 corresponding to the comparison result 155 is displayed in an emphasized manner. At the bottom of the figure, an example is shown in which the description on the back surface is different. As described above, when the comparison result 155 relates to the back side of the driver's license 140, the image of the driver's license 140 is automatically switched to the back side. Unmatched items may be highlighted regardless of selection.
[0045]
The display location button data is created in association with the image data in order to clearly indicate which of “front side”, “back side”, “front side watermark”, and “back side watermark” of the driver's license 140 is displayed.
[0046]
A5. effect:
According to the above-described embodiment, even when the characteristic information varies depending on the issuing organization 130 and the issuance time, it is possible to determine the authenticity in consideration of such a difference in the characteristic information. That is, for a driver's license imitated by imitation of the driver's license issued by the issuing institution 130 at a certain issuance time, the issuance time and inconsistency between the issuing institution 130 and the characteristic information described therein become apparent at a glance. Accuracy of authenticity determination of the license 140 can be improved.
[0047]
In addition, since the feature information database 115 is automatically maintained based on the result of the authenticity determination of the target license, it is possible to greatly reduce the cost for updating the feature information database 115.
[0048]
B. Modification:
As described above, the embodiments of the present invention have been described, but the present invention is not limited to these embodiments at all, and can be implemented in various other forms without departing from the gist of the present invention. Of course. For example, the ID card is not limited to the driver's license 140, but may be an insurance card, an employee card, or the like.
[0049]
Further, the key is not limited to the issue date 120 or the issuing organization 130. When the issue date 120 is a key, only the matching issue date 120 may be used as a key. When the number of records in the feature information database 115 increases, the key search condition may be set narrower.
[0050]
Also, in step S55, the comparison result 155 of the feature information is represented by binary values of “match” and “mismatch”, and the comparison target feature information is selected based on the result. However, there is no problem with other selection methods. . For example, the comparison result may be multi-valued and the comparison target information may be selected by performing weighting for each item of the characteristic information.
[0051]
Further, in the present embodiment, it has been described that the character recognition is applied to obtain the issue date 120 and the issuing organization 130 from the image data of the target license. However, the present invention is not limited to this. It is also possible to set to read or to set the operator to input information obtained from an ID card or the like.
[0052]
Further, the automatic contract machine 20 and the operator terminal 30 do not need to be connected 1: 1, and a plurality of automatic contract machines 20 and a plurality of operator terminals 30 may be connected to each other. At this time, a plurality of feature information databases 115 may exist, but the configuration is such that updated portions can be reflected on each other.
[0053]
Further, when it is determined that the target license is true, the target feature information may be registered in the feature information database 115 even when the target feature information completely matches the comparison target feature information. . In this case, it is not necessary to register all the feature information, and the registration date may be changed to a new registration by changing the issue date 120 of the record of the comparison target feature information to include the issue date 120 of the target license. The maintenance process of the feature information database 115 may be omitted.
[0054]
Further, in step S55, the feature information that most closely matches the target feature information is selected as the comparison target feature information by comparing the feature information. However, it is not necessary to narrow down the comparison target feature information to one. Alternatively, a plurality of pieces of comparison target feature information may be selected from the 145 and displayed on a monitor.
[0055]
Further, the configuration of the display data is not limited to the configuration shown in the embodiment, and various ideas can be considered so that the operator can easily use the display data. For example, the display location button 150 can be used to set the image of the driver's license 140 to be switched to “front” or “back”, or only the comparison result 155 may be displayed.
[0056]
Although the target feature information is automatically obtained from the image data of the target license, the operator may confirm the image of the target license and input the image to the operator terminal 30.
[0057]
【The invention's effect】
According to the present invention, it is possible to determine the authenticity of various ID cards having different characteristics by managing the characteristic information of the ID card and extracting the ID information as appropriate using a key.
[Brief description of the drawings]
FIG. 1 is an overall configuration diagram of an automatic contract system 22.
FIG. 2 is a functional block diagram of an automatic contract system 22.
FIG. 3 is an explanatory view showing a driver's license 140.
FIG. 4 is an explanatory diagram showing an example of a feature information database 115.
FIG. 5 is an explanatory diagram showing an example of an extraction database 145.
FIG. 6 is a flowchart illustrating a true / false determination process.
FIG. 7 is an explanatory diagram showing an image displayed on the operator terminal 30.
[Explanation of symbols]
20 automatic contract machine 22 automatic contract system 25 network 30 operator terminal 35 guidance unit 39 speaker 40 input unit 45 document confirmation mechanism unit 47 document camera 49 document lamp 50 control unit 55 storage device 60 communication control unit 65 card issuing unit 70 control unit 75 communication control unit 80 feature acquisition unit 85 auxiliary unit 90 result acquisition unit 95 extraction unit 100 database management unit 105 similarity determination unit 110 Database 115 Feature database 120 Issue date 125 Font 130 Issuer 135 Color information 140 Driver's license 142 Confirmation image 144 Reference image 145 Extraction database 150 Display location button 155 Comparison result 160 Display image

Claims (14)

An ID card authenticity identification assisting device for assisting identification of an ID card,
Characteristic information that is information relating to a characteristic part of the ID card, and a holding unit that holds a key associated with the characteristic information in advance,
An acquisition unit that acquires the key for a target ID card to be authenticated;
An extraction unit that extracts the feature information from the holding unit by the key acquired by the acquisition unit,
An ID card authenticity discriminating assistance device, comprising: an auxiliary unit that outputs auxiliary information that assists authenticity discrimination of the target ID card based on extracted feature information that is feature information extracted by the extracting unit. The ID card authenticity determination assisting apparatus according to claim 1, wherein the acquisition unit automatically acquires the key from the target ID card. The ID card authenticity determination assisting device according to claim 2,
An image input unit for inputting an image of the target ID card,
The ID card authenticity determination assisting device, wherein the acquiring unit automatically acquires the key by character recognition based on the image. The ID card authenticity determination assisting device according to claim 1, wherein the key is an ID card issuing organization and / or an issue date. The key is the date of issue of the ID card,
The ID card authenticity determination assisting apparatus according to claim 4, wherein the extraction unit extracts the feature information whose issue date is within a predetermined period including the issue date of the target ID card. The ID card authenticity determination assisting device according to claim 1,
An image input unit for inputting an image of the target ID card;
A feature acquisition unit that acquires the feature information from the image input by the image input unit,
Based on a comparison between the card feature information, which is the feature information acquired by the feature acquisition unit, and the extracted feature information, a similarity determination unit that quantitatively determines the similarity between the two is provided.
The ID card authenticity determination assisting device, wherein the assisting unit determines whether or not to output the assisting information based on the similarity. 7. The ID card authenticity determination assisting apparatus according to claim 6, wherein the feature acquiring unit automatically acquires the feature information from the target ID card. The ID card authenticity determination assisting apparatus according to claim 7, wherein the feature acquiring unit automatically acquires the feature information by image recognition based on the image. 9. The ID card authenticity determination assisting device according to claim 6, wherein the auxiliary unit outputs the extracted characteristic information and the card characteristic information as the auxiliary information so as to be comparable. 9. The ID card authenticity identification assisting apparatus according to claim 9, wherein the auxiliary unit compares the extracted characteristic information with the card characteristic information as the auxiliary information and emphasizes and outputs different parts. The ID card authenticity determination assisting device according to claim 1,
An image input unit for inputting an image of the target ID card;
A feature acquisition unit that acquires the feature information from the image input by the image input unit,
A result acquiring unit for acquiring a result of authenticity determination of the ID card;
An ID card authenticity identification assisting apparatus, comprising: a registration unit that registers card characteristic information, which is characteristic information acquired by the characteristic acquisition unit, in the holding unit when the authenticity determination result is true. The ID card authenticity determination assisting apparatus according to claim 11, further comprising: a determination unit configured to determine whether the same feature information as the card feature information exists in the feature information held by the holding unit,
When it is determined that the card information does not exist, the registration unit registers the card characteristic information. The ID card authenticity determination assisting device according to claim 11, wherein a determination unit that determines whether or not the same feature information as the card feature information exists in the feature information held by the holding unit.
An ID card authenticity discriminating assistance device comprising: a key changing unit that changes a key corresponding to feature information held in the holding unit to include the key of the card feature information when it is determined that the key information is present. 14. The device according to claim 1, wherein the ID card is a driver's license.

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