JP2004038305A - Individual identification device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an individual identification device for fetching data for individual identification automatically, and performing authentication and creation of a registration database by single device easily. <P>SOLUTION: An iris detection part 102 extracts an iris image from an video signal output of an imaging part 101. An iris code generating part 103 generates an iris code from the iris image. A verification part 104 verifies this iris code with an iris code registered in the registration database 105. If both codes are matched (indicated by OK), a signal OUT is output. If both codes are not matched (indicated by NG), the iris code generated from the iris code generating part 103 is registered into the registration database 105 by an automatic registration part 106 as one of information indicating a feature of the identified person. But, in this case, the signal OUT is not output. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention, individuals using iris information is unique information (biometrics information) (eye iris), relates to a personal identification device for registering personal data necessary for the identification and the identification of individuals personally.
[0002]
[Prior art]
Recently, information such as fingerprints and iris, namely the development of personal identification apparatus using a specific information (biometrics information) in the personal has progressed. 2. Description of the Related Art As a conventional personal identification device, for example, there is one as shown in FIG. Figure 2 is a block diagram showing the configuration of a personal identification apparatus according to JP-A-10-137220.
[0003]
Personal identification device according to this publication, as shown in FIG. 2, the video camera 940 for photographing an eye of an identified person, a distance calculation unit 951, a laser beam control section 952, a laser light emitting portion 953 , A half mirror 54, a monitor 955 having a display screen of a captured image, an iris (iris) code generation unit 956, a collation unit 957, and a registration database 958 in which personal data for collation is registered. The video camera 940 has a zoom lens 941 and a zoom mechanism 942.
[0004]
Note that reference numeral 911 denotes an eye of the person to be identified 910, PS denotes a position signal, DS denotes a distance signal, LZ denotes a laser beam output from the laser emitting unit 953, LZ 'denotes a laser beam reflected by the eye 911, and IR denotes an iris. The codes are shown below.
[0005]
Hereinafter, the operation of the conventional personal identification device shown in FIG. 2 will be described.
In personal identification, first, by operating the video camera 940, the eye 911 of the identified person 910 is photographed. At this time, the zoom lens 941 as pickup image of the eye 911 to the screen fills the monitor 955 enters is adjusted. By the photographing after the adjustment, the distance calculation unit 951 generates the distance signal DS based on the position signal PS output from the zoom mechanism unit 942, and sends the distance signal DS to the laser light control unit 952.
[0006]
Laser beam control section 952 gives an intensity signal IS for illuminating the laser beam LZ of optimum intensity in accordance with the distance signal DS to the laser emitting unit 953. Laser beam LZ outputted from the laser emitting unit 953 is reflected by the half mirror 954 to irradiate the eye 911 of the identification 910. Since a part of the laser light LZ ′ reflected by the eye 911 passes through the half mirror 954, an image including the iris (iris) of the eye 911 of the identified person 910 is captured by the video camera 940. The photographed image including the photographed iris is transmitted to the monitor 955 and the iris code generation unit 956, and the photographed image of the eye 911 is displayed on the monitor 955, and the iris code IR of the eye 911 is displayed on the iris code generation unit 956. Is generated, and the iris code IR is sent to the collating unit 57, and the collating unit 57 collates the data with the data in the registration database 958 to perform personal identification.
[0007]
[Problems to be solved by the invention]
In the conventional personal identification device described above, it is required that registration data (iris code) be registered in the registration database 958 when performing personal identification. That is, the conventional personal identification apparatus, a registration data registered in the registration database 958, and collates the personal identification iris code generated based on the captured image, personal identification iris code registration database 958 An individual is identified based on whether or not it is registered as an iris code. Therefore, registration to the registration database 958 must be kept finished in advance another means. However, in addition to such problems lead to increased costs for another system is required for registration For this purpose, there problem that time-consuming for the iris code registration in both the customer and the inspection side.
[0008]
The present invention was made in view of the above problems, the data for personal identification as well as to capture automatically, be easily performed and the creation of authentication and registration database in a single apparatus An object of the present invention is to provide a personal identification device capable of performing the above.
[0009]
[Means for Solving the Problems]
To achieve the above object, the personal identification device according to the present invention, there is provided a personal identification device for identifying the identification target person based on biometric information of the identified person, the biometric information of the identified person to be The biometric information storage means stored for each discriminator, and the biometric information stored in the biometric information storage means is compared with the biometric information of the discriminator, and the biometric information of the discriminator is compared. A matching unit that identifies whether information is registered in the biometric information storage unit, and a result of matching by the matching unit, if the biometric information of the identified person is not registered in the biometric information storage unit, biometrics information registration for registering biometric information of the identified person on the biometric information storage unit It is provided with a means, a. Therefore, the data for personal identification as well as to capture automatically, it is possible to easily perform the creation of authentication and registration database in a single device.
[0010]
In the personal identification device according to the present invention, it is preferable that the biometric information is an iris code obtained by coding an image of an iris of an eye.
[0011]
Additionally, personal identification apparatus according to the present invention includes an imaging means for imaging the eye of the identified person, by detecting the iris part of the eye from the image captured by the imaging unit, the eye of the object to be identified person Iris detecting means for extracting iris information; iris code generating means for generating an iris code from the iris information of the eye of the identified person; and iris code storage for storing the iris code of the identified person for each identified person Means for comparing the iris code of the identified person generated by the iris code generation means with the iris code registered in the iris code storage means, and storing the iris code of the identified person in the iris code storage means. A matching means for identifying whether or not the iris is registered in the means; and a result of the matching by the matching means, the iris code of the identified person is registered in the iris code storing means. Without includes a iris code registration means for registering the iris code of the identification target person in the iris code storage means. Thus, the apparatus used for pre-registration of the iris code, and a device for use in personal identification it is possible to make the same device, while reducing the cost of the device, including up registration process, to increase the accuracy of identification Reliability can be improved.
[0012]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the personal identification device of the present invention will be described in detail with reference to the drawings.
[0013]
Figure 1 is a block diagram showing the configuration of a personal identification apparatus according to an embodiment of the present invention. As shown in the figure, the personal identification device of the present embodiment includes an imaging unit 101 that corresponds to the imaging means in the claims, the iris detection unit 102 corresponding to the iris detection unit corresponds to the iris code generation means An iris code generation unit 103, a matching unit 104 corresponding to a matching unit, a registration database 105 corresponding to a biometric information storage unit or an iris code storage unit, and an automatic registration corresponding to a biometric information registration unit or an iris code registration unit. And a unit 106.
[0014]
Incidentally, reference numeral 107 is the identified person, the eyes (iris = iris) of an identified person 107 108, IR iris codes, iris code OUT is to identify the output signal (the identified person when a match is obtained by matching ) Respectively. The imaging unit 101 may be a configuration around the same, including video camera 940 shown in FIG.
[0015]
Hereinafter, each component of the personal identification device of the present embodiment will be described.
First, the imaging unit 101 captures an eye 108 (more specifically, a range including the eye (iris = iris)) of the identified person 107. The iris detection unit 102 detects an iris portion from the video signal output from the imaging unit 101, and extracts iris information (such as an iris image). Also, the iris code generation unit 103 is for generating an iris code from the iris information extracted by the iris detection unit 102.
[0016]
Further, the matching unit 104, an iris code generated by the iris code generation unit 103 (hereinafter referred to as "generated iris code.") And an iris code registered in the registration database 105 (hereinafter referred to as "registered iris code.") Is to be collated.
[0017]
Collating unit 104, the result of the verification, (case of OK shown in FIG. 1) if the generated iris code matches the registered iris code, the identified person a iris code generated from the iris code generation unit 103 Is output as information for specifying On the other hand, if the generated iris code does not match the registered iris code (in the case of NG shown in FIG. 1) is output to the automatic registration unit 106 the generated iris code as one of information indicating characteristics of the identified person, the Does not output the signal OUT.
[0018]
The automatic registration unit 106 generates an iris code in which registers the generated iris code output from the verification unit 104 in the registration database 105 does not match the registered iris code (in the case of NG shown in FIG. 1) . The registration database 105 is a database that stores the iris codes registered by automatic registration unit 106.
[0019]
As described above, according to the personal identification device of the present embodiment, for example, in the case of performing customer management of a store, etc., a customer referred to as a member is identified as a member based on an iris code, And provide services to the customer. Also, if it can not identify that it is a member, it is possible to member registration the customer by registering iris code used for the identification.
[0020]
In this embodiment, the case where the iris code is extracted and used as information (biometrics information) unique to an individual has been described. However, the present invention is also applicable to the case where other information unique to an individual is extracted and used. It is possible.
[0021]
【The invention's effect】
As described above, according to the personal identification device of the present invention, data for personal identification can be automatically taken in, and authentication and creation of a registration database can be easily performed by one device.
[Brief description of the drawings]
FIG. 1 is a block diagram showing a configuration of a personal identification device according to an embodiment of the present invention; FIG. 2 is a block diagram showing a configuration of a personal identification device described in JP-A-10-137220;
101 imaging unit 102 the iris detection unit 103 an iris code generation unit 104 collation section 105 Registration Database 106 automatic registration unit 107 the identified person 108 eyes

Claims (3)

A personal identification device for identifying the identification target person based on biometric information of the identified person,
A biometric information storage means for storing the biometric information of the identified person for each the identified person,
By comparing the biometric information of the identified person with the biometric information stored in the biometric information storage means, it is determined whether the biometric information of the identified person is registered in the biometric information storage means. Matching means to
If the biometric information of the identified person is not registered in the biometric information storage unit as a result of the matching by the matching unit, the biometric information of registering the biometric information of the identified person in the biometric information storage unit Registration means;
A personal identification device comprising: The personal identification device according to claim 1, wherein the biometric information is an iris code obtained by coding an image obtained by photographing an iris of an eye. Imaging means for photographing the eyes of the identified person;
An iris detecting unit that detects an iris portion of an eye from an image captured by the imaging unit and extracts iris information of the eye of the identified person;
And the iris code generation means for generating an iris code from the iris information of the eye of the object to be identified person,
And iris code storage means for storing the iris code of the identification person per the identified person,
The iris code of the identified person is compared with the iris code registered in the iris code storage unit, and the iris code of the identified person is registered in the iris code storage unit. Matching means for identifying whether the
As a result of the collation by the collation unit, if the iris code of the identified person is not registered in the iris code storage unit, an iris code registration unit that registers the iris code of the identified person in the iris code storage unit,
A personal identification device comprising:

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