JP2002236666A - Personal authentication device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a highly secure personal authentication device capable of preventing perjury such as disguise in a personal authentication system using biological information. SOLUTION: This system includes a biological information input means into which a biological information for personal authentication is inputted, a biological information quality determining means which measures the quality of biological information and determines whether the biological information is the information for the perjury including the disguise, a biological information collating means which collates the inputted biological information data against the biological information registry data which is the pre-registered biological information data, and collating determining means which determines whether a user is really who he/she says he/she is, based on the living body information collated results. When the biological information quality determining means determines that the biological information is the information for perjury, processes of the biological information collating means and the collating determining means are stopped, on the other hand, when the biological information quality determining means determines that the biological information is the intrinsic information, the biological information collating means collates, and the collating determining means determines whether the user is really who he/she says he/she is.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an apparatus for identifying an individual using biological information. In particular, the present invention relates to a device for preventing false identification such as personal impersonation.

[0002]

2. Description of the Related Art Conventionally, personal authentication devices using biometric information such as fingerprints, irises, voice prints, faces, and palms have been employed for applications such as access control and personal computer access. Authentication using biometric information is less likely to be forgotten, lost or stolen than authentication using non-biometric information such as a password or IC card.
Recently, there has been a movement to adopt personal authentication using biometric information in applications such as online shopping, bank transfer, and stock transactions using the Internet.

In these applications, it is conceivable that money transactions occur and sometimes high-value transactions occur. In general, two probabilities are used as the accuracy evaluation index of authentication using biometric information: the probability of erroneously determining another person as a principal (acceptance rate of another person) and the probability of erroneously determining a person as another person (rejection rate of principal). The security is high if the false acceptance rate is low, and the convenience is high if the false rejection rate is low.

[0004] The smaller the two index values are, the higher the performance is. However, as shown in FIG. 8, generally, when the threshold value of the similarity for judging the person and the other person is increased, the false acceptance rate decreases and the false rejection rate decreases. To increase. Since the two are in a trade-off relationship, if one sets a threshold value to be smaller, the other becomes larger, and it is difficult to make a setting that emphasizes both security and convenience.

In the prior art, in the case of an application involving money transactions, it is necessary to tighten security. Therefore, the threshold value of similarity is increased to reduce the false acceptance rate, and the expected damage value is set to the required specification. It was common to set it to be within the range.

[0006]

However, according to the conventional authentication technology, for example, in the case of fingerprint authentication, authentication using an artificial finger made of a material such as gelatin by taking a finger shape is performed in the case of voiceprint authentication. In the case of face and iris authentication, authentication using a photograph of the person's face can be considered for authentication by playing back a tape recording the voice of the person, and the expected damage value falls within the required specifications as described above. However, there is a problem that it is difficult to prevent perjury such as spoofing of the person, even if the threshold value is set so that

The present invention has been made in order to solve such a problem, and it is an object of the present invention to provide a high-security personal authentication apparatus for preventing false identification such as impersonation.

[0008]

According to the present invention, there is provided a personal authentication apparatus comprising: a biometric information input unit for inputting biometric information for personal authentication; and a forgery which measures the quality of the biometric information and includes the impersonation of the biometric information. Biometric information quality determining means for determining whether or not the information is for information, and biometric information registration data which is data of the biometric information input from the biometric information input means and the biometric information registered in advance. A biometric information collating unit that performs collation of the biometric information, and a collation determining unit that determines whether or not the user is a person based on the biometric information collation result that is the collation result by the biometric information collating unit. If the information is determined to be information for perjury, the processing by the biometric information matching means and the matching determination means is stopped, and the biometric information quality If it is it is determined that the authenticity of the information, performs the verification by the biometric information collating unit has an arrangement for determining whether or not the person by the match determination means. With this configuration, it is possible to prevent a forgery due to impersonation, and to realize a highly secure personal authentication device.

Further, the personal authentication apparatus of the present invention comprises a biometric information input means for inputting biometric information for personal authentication, and information for false identification including the impersonation of the biometric information by measuring the quality of the biometric information. Biometric information quality determining means for determining whether or not the biometric information is input from the biometric information input means and biometric information registration data which is data of the biometric information registered in advance. A biometric information collating unit, and a collation judging unit for judging whether or not the user is a principal based on a biometric information collation result which is a collation result by the biometric information collating unit. If it is determined that the biological information is true, the processing by the biological information matching means and the matching determination means is stopped, and the biological information quality determining means If it is determined to be a report, the collation is performed by the biometric information collating unit, and the collation determining unit determines whether or not the person is the subject, and the biometric information is a fingerprint, a voiceprint, a face, or an iris. Of the information. With this configuration, it is possible to prevent a forgery due to impersonation, and to realize a highly secure personal authentication device.

[0010] The personal authentication apparatus of the present invention comprises a biometric information input means for inputting biometric information for personal authentication, and information for measuring the quality of the biometric information so that the biometric information includes a spoofing identity. Biometric information quality determining means for determining whether or not the biometric information is input from the biometric information input means and biometric information registration data which is data of the biometric information registered in advance. A biometric information collating unit, and a collation judging unit for judging whether or not the user is a principal based on a biometric information collation result which is a collation result by the biometric information collating unit. If it is determined that the biological information is true, the processing by the biological information matching means and the matching determination means is stopped, and the biological information quality determining means If it is determined that the information is a personal information, the biometric information collating means performs the collation, and the collation determining means determines whether or not the user is the principal, and the personal authentication device uses information about a fingerprint as the biometric information. Then, the biological information quality determination means, a finger temperature measurement means for measuring the temperature of the finger to obtain the fingerprint information using a thermal sensor, the fingerprint information based on the measurement result of the finger temperature Finger quality determination means for determining whether or not the information is for perjury including personal impersonation is provided. With this configuration, it is possible to prevent a forgery due to impersonation, and to realize a highly secure personal authentication device.

[0011] The personal authentication apparatus of the present invention comprises a biometric information input means for inputting biometric information for personal authentication, and information for falsifying the biometric information including identity impersonation by measuring the quality of the biometric information. Biometric information quality determining means for determining whether or not the biometric information is input from the biometric information input means and biometric information registration data which is data of the biometric information registered in advance. A biometric information collating unit, and a collation judging unit for judging whether or not the user is a principal based on a biometric information collation result which is a collation result by the biometric information collating unit. If it is determined that the biological information is true, the processing by the biological information matching means and the matching determination means is stopped, and the biological information quality determining means If it is determined that the information is a personal information, the biometric information collating means performs the collation, and the collation determining means determines whether or not the user is the principal, and the personal authentication device uses information about a fingerprint as the biometric information. Then, the biological information quality determination means, finger conductivity measurement means for measuring the conductivity of the finger to obtain the information of the fingerprint using a predetermined electric circuit, based on the measurement results of the conductivity of the finger Finger quality determination means for determining whether or not the fingerprint information is information for forgery including personal impersonation is provided. With this configuration, it is possible to prevent a forgery due to impersonation, and to realize a highly secure personal authentication device.

[0012] The personal authentication apparatus of the present invention is a biometric information input means for inputting biometric information for personal authentication, and information for false identification including the impersonation of the biometric information by measuring the quality of the biometric information. Biometric information quality determining means for determining whether or not the biometric information is input from the biometric information input means and biometric information registration data which is data of the biometric information registered in advance. A biometric information collating unit, and a collation judging unit for judging whether or not the user is a principal based on a biometric information collation result which is a collation result by the biometric information collating unit. If it is determined that the biological information is true, the processing by the biological information matching means and the matching determination means is stopped, and the biological information quality determining means If it is determined that the information is a personal information, the biometric information collating means performs the collation, and the collation determining means determines whether or not the user is the principal, and the personal authentication apparatus uses information about a voiceprint as the biometric information. The biometric information quality determining unit includes a mouth movement measuring unit that measures a mouth movement for acquiring the voiceprint information using a camera, and the voiceprint information based on the measurement result of the mouth movement. Voice print quality determining means for determining whether or not the information is for perjury including impersonation. With this configuration, it is possible to prevent a forgery due to impersonation, and to realize a highly secure personal authentication device.

[0013] The personal authentication apparatus of the present invention further comprises a biometric information input means for inputting biometric information for personal authentication, and information for falsifying the biometric information including impersonation by measuring the quality of the biometric information. Biometric information quality determining means for determining whether or not the biometric information is input from the biometric information input means and biometric information registration data which is data of the biometric information registered in advance. A biometric information collating unit, and a collation judging unit for judging whether or not the user is a principal based on a biometric information collation result which is a collation result by the biometric information collating unit. If it is determined that the biological information is true, the processing by the biological information matching means and the matching determination means is stopped, and the biological information quality determining means If the biometric information is determined to be a personal information, the biometric information collating means performs the collation, and the collation determining means determines whether or not the user is the subject, and the personal authentication device determines whether the biometric information is information about a face or an iris. Using the information about, the biological information quality determination means, the face shadow measurement means for measuring the face shadow using a camera and illumination, and information about the face based on the measurement result of the face shadow Alternatively, it has a configuration including a face or iris quality determination unit that determines whether or not the information on the iris is information for perjury including personal impersonation. With this configuration, it is possible to prevent a forgery due to impersonation, and to realize a highly secure personal authentication device.

Further, the personal authentication apparatus of the present invention comprises a biometric information input means for inputting biometric information for personal authentication, and information for falsifying the biometric information including identity impersonation by measuring the quality of the biometric information. Biometric information quality determining means for determining whether or not the biometric information is input from the biometric information input means and biometric information registration data which is data of the biometric information registered in advance. A biometric information collating unit, and a collation judging unit for judging whether or not the user is a principal based on a biometric information collation result which is a collation result by the biometric information collating unit. If it is determined that the biological information is true, the processing by the biological information matching means and the matching determination means is stopped, and the biological information quality determining means If the biometric information matching result is determined to be 100%, the matching is performed by the biometric information matching means, the matching determination means determines whether or not the user is the person, and the matching rate in the biometric information matching result is 100%. %
Alternatively, in the case where the biometric information is equal to or more than a predetermined value, the biometric information is rejected as information for forgery. With this configuration, perjury due to impersonation can be prevented, and a simplified high-security personal authentication device can be realized.

Further, the personal authentication apparatus of the present invention comprises: biometric information input means for inputting first biometric information for personal authentication;
Biometric information 2 input means for inputting second biometric information for personal authentication, quality of the first biometric information input from the biometric information 1 input means and second biometric information input from the biometric information 2 input means Biometric information quality by measuring the quality of biometric information and determining whether at least one of the first biometric information and the second biometric information is information for perjury including personal impersonation Comprehensive judgment means, biometric information 1 matching means for comparing biometric information input from the biometric information 1 input means with biometric information 1 registration data which is data of the first biometric information registered in advance, The biological information input from the biological information 2 input means and the biological information 2 which is data of the second biological information registered in advance.
Biometric information 2 matching means for performing matching with registered data, and biometric information 1 matching result which is a matching result by the biometric information 1 matching means and biometric information 2 matching result which is a matching result by the biometric information 2 matching means. Composite determination means for determining whether or not the user is the principal, at least one of the first biological information or the second biological information is determined by the biological information quality comprehensive determination means as information for falsification. If it is determined, the processing by the biometric information 1 matching unit, the biometric information 2 matching unit, and the composite determining unit is stopped, and the first biometric information and the second When the biometric information is determined to be authentic information, the biometric information 1 collating unit performs collation on the first biometric information, and the biometric information 2 collating unit performs collation. Collates for the second biological information Te has a configuration for determining whether or not the person by the composite determining means. With this configuration, it is possible to prevent forgery due to impersonation, and to realize a more secure personal authentication device.

Further, the personal authentication apparatus of the present invention comprises: biometric information 1 input means for inputting first biometric information for personal authentication;
Biometric information 2 input means for inputting second biometric information for personal authentication, quality of the first biometric information input from the biometric information 1 input means and second biometric information input from the biometric information 2 input means Biometric information quality by measuring the quality of biometric information and determining whether at least one of the first biometric information and the second biometric information is information for perjury including personal impersonation Comprehensive judgment means, biometric information 1 matching means for comparing biometric information input from the biometric information 1 input means with biometric information 1 registration data which is data of the first biometric information registered in advance, The biological information input from the biological information 2 input means and the biological information 2 which is data of the second biological information registered in advance.
Biometric information 2 matching means for performing matching with registered data, and biometric information 1 matching result which is a matching result by the biometric information 1 matching means and biometric information 2 matching result which is a matching result by the biometric information 2 matching means. Composite determination means for determining whether or not the user is the principal, at least one of the first biological information or the second biological information is determined by the biological information quality comprehensive determination means as information for falsification. If it is determined, the processing by the biometric information 1 matching unit, the biometric information 2 matching unit, and the composite determining unit is stopped, and the first biometric information and the second When the biometric information is determined to be authentic information, the biometric information 1 collating unit performs collation on the first biometric information, and the biometric information 2 collating unit performs collation. The second biometric information is compared with the first biometric information to determine whether or not the subject is the principal, and the first biometric information or the second biometric information is a fingerprint, a voiceprint, a face, an iris. Has a configuration that is information on any of the above. With this configuration, it is possible to prevent forgery due to impersonation, and to realize a more secure personal authentication device.

Further, the personal authentication apparatus of the present invention comprises: biometric information input means for inputting first biometric information for personal authentication;
Biometric information 2 input means for inputting second biometric information for personal authentication, quality of the first biometric information input from the biometric information 1 input means and second biometric information input from the biometric information 2 input means Biometric information quality by measuring the quality of biometric information and determining whether at least one of the first biometric information and the second biometric information is information for perjury including personal impersonation Comprehensive judgment means, biometric information 1 matching means for comparing biometric information input from the biometric information 1 input means with biometric information 1 registration data which is data of the first biometric information registered in advance, The biological information input from the biological information 2 input means and the biological information 2 which is data of the second biological information registered in advance.
Biometric information 2 matching means for performing matching with registered data, and biometric information 1 matching result which is a matching result by the biometric information 1 matching means and biometric information 2 matching result which is a matching result by the biometric information 2 matching means. Composite determination means for determining whether or not the user is the principal, at least one of the first biological information or the second biological information is determined by the biological information quality comprehensive determination means as information for falsification. If it is determined, the processing by the biometric information 1 matching unit, the biometric information 2 matching unit, and the composite determining unit is stopped, and the first biometric information and the second When the biometric information is determined to be authentic information, the biometric information 1 collating unit performs collation on the first biometric information, and the biometric information 2 collating unit performs collation. Then, the second biometric information is collated, and whether or not the user is the identity is determined by the composite determination means, and the personal authentication apparatus determines whether the fingerprint is the first biometric information or the fingerprint as the second biometric information. Using the information of the above, the biological information quality comprehensive determination means, finger temperature measurement means to measure the temperature of the finger to obtain the fingerprint information using a thermal sensor, based on the measurement result of the temperature of the finger A finger quality determination unit configured to determine whether the fingerprint information is information for forgery including personal impersonation. With this configuration, it is possible to prevent forgery due to impersonation, and to realize a more secure personal authentication device.

Also, the personal authentication device of the present invention comprises: biometric information 1 input means for inputting first biometric information for personal authentication;
Biometric information 2 input means for inputting second biometric information for personal authentication, quality of the first biometric information input from the biometric information 1 input means and second biometric information input from the biometric information 2 input means Biometric information quality by measuring the quality of biometric information and determining whether at least one of the first biometric information and the second biometric information is information for perjury including personal impersonation Comprehensive judgment means, biometric information 1 matching means for comparing biometric information input from the biometric information 1 input means with biometric information 1 registration data which is data of the first biometric information registered in advance, The biological information input from the biological information 2 input means and the biological information 2 which is data of the second biological information registered in advance.
Biometric information 2 matching means for performing matching with registered data, and biometric information 1 matching result which is a matching result by the biometric information 1 matching means and biometric information 2 matching result which is a matching result by the biometric information 2 matching means. Composite determination means for determining whether or not the user is the principal, at least one of the first biological information or the second biological information is determined by the biological information quality comprehensive determination means as information for falsification. If it is determined, the processing by the biometric information 1 matching unit, the biometric information 2 matching unit, and the composite determining unit is stopped, and the first biometric information and the second When the biometric information is determined to be authentic information, the biometric information 1 collating unit performs collation on the first biometric information, and the biometric information 2 collating unit performs collation. Then, the second biometric information is collated, and whether or not the user is the identity is determined by the composite determination means, and the personal authentication apparatus determines whether the fingerprint is the first biometric information or the fingerprint as the second biometric information. Finger information measuring means for measuring the electric conductivity of a finger for obtaining the fingerprint information using a predetermined electric circuit, and measuring the electric conductivity of the finger. A finger quality determination unit configured to determine whether the fingerprint information is information for forgery including personal impersonation based on the result. With this configuration, it is possible to prevent forgery due to impersonation, and to realize a more secure personal authentication device.

Further, the personal authentication apparatus of the present invention comprises: biometric information input means for inputting first biometric information for personal authentication;
Biometric information 2 input means for inputting second biometric information for personal authentication, quality of the first biometric information input from the biometric information 1 input means and second biometric information input from the biometric information 2 input means Biometric information quality by measuring the quality of biometric information and determining whether at least one of the first biometric information and the second biometric information is information for perjury including personal impersonation Comprehensive judgment means, biometric information 1 matching means for comparing biometric information input from the biometric information 1 input means with biometric information 1 registration data which is data of the first biometric information registered in advance, The biological information input from the biological information 2 input means and the biological information 2 which is data of the second biological information registered in advance.
Biometric information 2 matching means for performing matching with registered data, and biometric information 1 matching result which is a matching result by the biometric information 1 matching means and biometric information 2 matching result which is a matching result by the biometric information 2 matching means. Composite determination means for determining whether or not the user is the principal, at least one of the first biological information or the second biological information is determined by the biological information quality comprehensive determination means as information for falsification. If it is determined, the processing by the biometric information 1 matching unit, the biometric information 2 matching unit, and the composite determining unit is stopped, and the first biometric information and the second When the biometric information is determined to be authentic information, the biometric information 1 collating unit performs collation on the first biometric information, and the biometric information 2 collating unit performs collation. The second biometric information is collated in the above manner, and the composite judgment means determines whether or not the user is the principal. The personal authentication apparatus determines whether the voice bioprint is the first biometric information or the second biometric information as the second biometric information. Using the information of the biological information quality comprehensive determination means, the mouth movement measurement means to measure the movement of the mouth to obtain the information of the voiceprint using a camera, based on the measurement result of the movement of the mouth The voice print quality determining unit determines whether the voice print information is information for perjury including personal impersonation. With this configuration, it is possible to prevent forgery due to impersonation, and to realize a more secure personal authentication device.

Further, the personal authentication apparatus of the present invention comprises: biometric information input means for inputting first biometric information for personal authentication;
Biometric information 2 input means for inputting second biometric information for personal authentication, quality of the first biometric information input from the biometric information 1 input means and second biometric information input from the biometric information 2 input means Biometric information quality by measuring the quality of biometric information and determining whether at least one of the first biometric information and the second biometric information is information for perjury including personal impersonation Comprehensive judgment means, biometric information 1 matching means for comparing biometric information input from the biometric information 1 input means with biometric information 1 registration data which is data of the first biometric information registered in advance, The biological information input from the biological information 2 input means and the biological information 2 which is data of the second biological information registered in advance.
Biometric information 2 matching means for performing matching with registered data, and biometric information 1 matching result which is a matching result by the biometric information 1 matching means and biometric information 2 matching result which is a matching result by the biometric information 2 matching means. Composite determination means for determining whether or not the user is the principal, at least one of the first biological information or the second biological information is determined by the biological information quality comprehensive determination means as information for falsification. If it is determined, the processing by the biometric information 1 matching unit, the biometric information 2 matching unit, and the composite determining unit is stopped, and the first biometric information and the second When the biometric information is determined to be authentic information, the biometric information 1 collating unit performs collation on the first biometric information, and the biometric information 2 collating unit performs collation. Then, the second biometric information is collated, and the composite judgment means judges whether or not the user is the principal, and the personal authentication apparatus determines whether the face is used as the first biometric information or the second biometric information. Using the information of the iris or the information of the iris, the biological information quality comprehensive determination means, the face shadow measurement means for measuring the face shadow to obtain the biological information using a camera and lighting, A face or iris quality determining unit that determines whether the information on the face or the information on the iris is information for perjury including personal impersonation based on the measurement result is provided. With this configuration, it is possible to prevent forgery due to impersonation, and to realize a more secure personal authentication device.

Further, the personal authentication apparatus of the present invention comprises: biometric information input means for inputting first biometric information for personal authentication;
Biometric information 2 input means for inputting second biometric information for personal authentication, quality of the first biometric information input from the biometric information 1 input means and second biometric information input from the biometric information 2 input means Biometric information quality by measuring the quality of biometric information and determining whether at least one of the first biometric information and the second biometric information is information for perjury including personal impersonation Comprehensive judgment means, biometric information 1 matching means for comparing biometric information input from the biometric information 1 input means with biometric information 1 registration data which is data of the first biometric information registered in advance, The biological information input from the biological information 2 input means and the biological information 2 which is data of the second biological information registered in advance.
Biometric information 2 matching means for performing matching with registered data, and biometric information 1 matching result which is a matching result by the biometric information 1 matching means and biometric information 2 matching result which is a matching result by the biometric information 2 matching means. Composite determination means for determining whether or not the user is the principal, at least one of the first biological information or the second biological information is determined by the biological information quality comprehensive determination means as information for falsification. If it is determined, the processing by the biometric information 1 matching unit, the biometric information 2 matching unit, and the composite determining unit is stopped, and the first biometric information and the second When the biometric information is determined to be authentic information, the biometric information 1 collating unit performs collation on the first biometric information, and the biometric information 2 collating unit performs collation. Then, the second biometric information is collated, and whether or not the user is the identity is determined by the composite determination means, and the composite determination means is a biometric information 1 collation result which is a collation result of the biometric information 1 collation means. And the matching rate in at least one of the biometric information 2 matching results, which is the matching result of the biometric information 2 matching means, is 1
When the value is 00% or more than a predetermined value, the biometric information is rejected as false information. With this configuration, it is possible to prevent perjury due to impersonation, and to realize a simplified and more secure personal authentication device.

[0022]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing a configuration of a personal authentication device according to a first embodiment of the present invention for preventing forgery using one piece of biometric information. In FIG. 1, a biometric information input unit 1 includes a fingerprint, a voiceprint,
One of the biological information such as the face and the iris is acquired.

The biological information quality determining means 2 determines whether the quality of the biological information input by the biological information input means 1 is true or false using a measuring method or a determining method according to the type of biological information. If determined to be, the subsequent processing is terminated and a warning is issued. The biometric information matching unit 3 extracts a feature amount necessary for matching from the biometric information acquired by the biometric information input unit 1 when the biometric information quality determining unit 2 determines that the biometric information is authentic, and registers the biometric information registered in advance. The matching with the data 5 is performed, and the similarity is calculated.

The collation judging means 4 judges whether or not the user is a person using the similarity calculated by the biometric information collating means 3. If the degree of similarity calculated by the biometric information matching means 3 is larger than a preset threshold, it is determined to be a person and accepted, and if smaller, it is determined to be another person and rejected.

As described above, the personal authentication apparatus according to the first embodiment of the present invention is provided with the biometric information quality judging means, and determines whether or not the input biometric information is information for falsification such as impersonation. By judging this, it is possible to prevent perjury due to impersonation, and to realize a highly secure personal authentication device.

As biometric information, fingerprints, voice prints, faces,
By using the information about any one of the irises for authentication, it is possible to prevent false identification due to impersonation, and to realize a highly secure personal authentication device.

Next, a personal authentication apparatus according to a second embodiment of the present invention will be described with reference to the drawings. FIG. 2 is a block diagram showing a configuration of a personal authentication apparatus for preventing fingerprint perjury using information of a finger temperature according to the second embodiment of the present invention. In FIG. 2, a fingerprint information input unit 6 uses a fingerprint as authentication biometric information and acquires fingerprint information by a fingerprint sensor.

The finger temperature measuring means 7 comprises a fingerprint information input means 6
The temperature of the finger is measured using the temperature sensor 11 attached to the position of the finger touching the fingerprint sensor around the finger input to the finger. The finger quality judging means 8 judges the quality of the input fingerprint using the result measured by the finger temperature measuring means 7 and judges whether the fingerprint is authentic or not. Thermal sensor 1 of finger temperature measuring means 7
If the temperature measured in step 1 is significantly different from the body temperature, it is determined that the finger is a counterfeit finger, and the subsequent processing is terminated to issue a warning.

If the temperature is close to the body temperature, it is determined to be authentic, and the process is continued to perform fingerprint collation. When the fingerprint quality determining means 8 determines that the fingerprint is true, the fingerprint matching means 9 outputs the fingerprint information input means 6.
Extract the features required for collation from the fingerprint information obtained in
Collation with fingerprint registration data 12 that has been registered in advance is performed, and the degree of similarity is calculated.

The fingerprint collation judging means 10 comprises a fingerprint collation means 9
It is determined whether or not the user is a person using the similarity calculated in step (1). If the similarity calculated by the fingerprint matching means 9 is larger than a preset threshold value, it is determined that the person is the person and accepted, and if it is smaller, it is judged as another person and rejected.

As described above, in the personal authentication apparatus according to the second embodiment of the present invention, the biometric information quality judging means outputs the fingerprint information input based on the finger temperature measurement result from the thermal sensor. By judging whether or not the information is information for falsification such as impersonation, falsification due to impersonation can be prevented, and a highly secure personal authentication device can be realized.

Next, a personal authentication apparatus according to a third embodiment of the present invention will be described with reference to the drawings. FIG. 3 is a block diagram showing a configuration of a personal authentication apparatus for preventing fingerprint perjury using information on finger conductivity according to the third embodiment of the present invention. In FIG. 3, a fingerprint information input unit 13 uses a fingerprint as authentication biometric information and acquires fingerprint information using a fingerprint sensor.

The finger conductivity measuring means 14 is an electric circuit 1 having two electrodes attached to the finger input to the fingerprint information input means 13 at positions where the fingers around the fingerprint sensor are applied.
A slight current is passed through 8 to measure the conductivity of the finger. The finger quality determination unit 15 determines the quality of the input fingerprint using the result measured by the finger conductivity measurement unit 14, and determines whether the fingerprint is authentic or not. If the conductivity of the finger measured by the electric circuit 18 of the finger conductivity measuring means 14 is significantly different from the conductivity of a human finger, it is determined that the finger is a counterfeit finger, and the subsequent processing is terminated and a warning is issued.
If it is close to the conductivity of a human finger, it is determined to be genuine, and the subsequent processing is continued to perform fingerprint collation.

The fingerprint collating means 16 includes a finger quality determining means 15
When it is determined that the fingerprint information is authentic, a feature amount necessary for collation is extracted from the fingerprint information acquired by the fingerprint information input means 13, collated with the fingerprint registration data 19 registered in advance, and the similarity is calculated.

The fingerprint collation judging means 17 comprises the fingerprint collation means 1
It is determined whether or not the user is the person using the similarity calculated in step 6.
If the similarity calculated by the fingerprint matching means 16 is larger than a preset threshold value, it is determined that the person is the person and accepted.
If it is smaller, it is judged as another person and rejected.

As described above, in the personal authentication apparatus according to the third embodiment of the present invention, the biometric information quality judging unit inputs the fingerprint inputted based on the finger conductivity measurement result from the finger conductivity measuring unit. By judging whether or not the information is information for forgery such as impersonation, it is possible to prevent forgery due to impersonation, and to realize a highly secure personal authentication device.

Next, a personal authentication apparatus according to a fourth embodiment of the present invention will be described with reference to the drawings. FIG. 4 is a block diagram showing a configuration of a personal authentication apparatus for preventing voiceprint perjury using information on mouth movement according to a fourth embodiment of the present invention. In FIG. 4, a voiceprint information input unit 20 uses a voiceprint as the authentication biometric information and acquires the voiceprint information by a microphone.

The mouth movement measuring means 21 captures a face with a camera 25 for a person who is inputting a voiceprint into the voiceprint information input means 20, and acquires a face image. Next, the mouth is detected by performing processing such as pattern matching from the face image. The movement of the mouth is measured by calculating a temporal image change (image difference) with respect to the detected mouth. The movement of the mouth to be measured will be described with reference to the drawings.

FIG. 9 is a diagram schematically showing the movement of the mouth to be measured. When the mouth moves from the mouth state 100 to the mouth state 101 shown in FIG. 9, it is possible to detect a vertically expanded movement from the image difference. When the mouth moves from the mouth state 101 to the mouth state 102, a movement that contracts vertically and a movement that expands left and right can be detected by the same processing. When the mouth moves from the mouth state 102 to the mouth state 103, the movement contracted right and left can be detected by the same processing. Thus, the movement of the mouth is measured.

The voiceprint quality judging means 22 judges the quality of the input voiceprint using the result measured by the mouth movement measuring means 21, and judges whether the input voiceprint is true or false. Mouth movement measuring means 21
When there is almost no movement of the mouth detected by the camera 25 and the image processing, or when the mouth moves in a certain direction like the mouth state 104 to the mouth state 105 shown in FIG. It is determined that it has not been performed, and the subsequent processing is terminated and a warning is issued.

As shown in FIG. 9, when a motion of expanding or contracting vertically and a motion of expanding or contracting left or right are detected, it is determined to be authentic and the process is continued to perform voiceprint collation. Voiceprint collation means 2
3 extracts the characteristic amount necessary for the collation from the voiceprint information acquired by the voiceprint information input unit 20 when the voiceprint quality determination unit 22 determines that the authenticity is true, and performs the collation with the voiceprint registration data 26 registered in advance. And calculate the similarity.

The voiceprint collation judging means 24 comprises a voiceprint collation means 2
It is determined whether or not the user is the person using the similarity calculated in step 3.
If the similarity calculated by the voiceprint matching means 23 is larger than a preset threshold, it is determined that the person is the person and accepted,
If it is smaller, it is judged as another person and rejected.

As described above, in the personal authentication apparatus according to the fourth embodiment of the present invention, the mouth information detected by the biological information quality determining means by performing image processing on the mouth movement image input from the camera. By judging whether or not the voiceprint information input based on the measurement result is information for forgery of identity impersonation, etc., it is possible to prevent forgery due to identity impersonation, and to provide a high-security personal authentication device. Can be realized.

Next, a personal authentication apparatus according to a fifth embodiment of the present invention will be described with reference to the drawings. FIG. 5 is a block diagram showing a configuration of a personal authentication device for preventing a face or iris perjury using information of a face shadow according to a fifth embodiment of the present invention. In FIG. 5, face or iris information input means 2
Reference numeral 7 uses a face or an iris as authentication biometric information, and acquires face or iris information using a camera.

The face shadow measuring means 28 illuminates the face or iris information inputting means 27 with a light 3
2 and the camera 33 measure the shadow (silhouette) of the profile. The shadow of the face to be measured will be described with reference to the drawings. Figure 1
FIG. 1 is a diagram schematically showing a shadow of a face to be measured. Illumination 32 is applied from the side of a person's face, and a side face is photographed by a camera 33 attached to the opposite side.

The image captured by the camera 33 has a dark face portion and a bright surrounding portion. Therefore, by performing image processing such as edge emphasis, the profile edge 106 shown in FIG. 11 can be detected. Next, the unevenness of the profile is detected by calculating the distance 107 from the vertical straight line 108 to the edge 106 of the profile. The face or iris quality judging means 29 is a face shadow measuring means 2
The quality of the input face or the iris is determined using the result measured in step 8 to determine whether it is true or false.

The illumination 32 of the face shadow measuring means 28 and the camera 3
3 and the distance to the edge of the side face detected by the image processing is substantially constant at all positions, since the one detected by the face shadow measuring means 28 is a planar one, so that a false perception by a photograph or the like is required. Judge, end the process and warn. When the distance to the edge of the profile is not constant, what is detected by the face shadow measuring means 28 is the unevenness of the human face, which is determined to be genuine, and the processing is continued to perform face or iris verification.

The face or iris collating means 30 extracts a feature necessary for collation from the face or iris information obtained by the face or iris information input means 32 when the face or iris quality judging means 29 judges that the face or iris information is authentic. Then, the matching with the registered face or iris registration data 34 is performed, and the similarity is calculated.

The face or iris collation judging means 31 judges whether or not the person is a person using the similarity calculated by the face or iris collation means 30. If the degree of similarity calculated by the face or iris matching means 30 is larger than a preset threshold value, it is determined that the person is the person, and if it is smaller, it is determined to be another person and rejected.

As described above, in the personal authentication apparatus according to the fifth embodiment of the present invention, the biological information quality judgment means is inputted based on the measurement result of the face shadow obtained by using the camera and the illumination. By determining whether the information on the face or the iris is information for false identification such as impersonation, false identification due to impersonation can be prevented, and a highly secure personal authentication device can be realized.

Next, a personal authentication apparatus according to a sixth embodiment of the present invention will be described with reference to the drawings. FIG. 6 is a block diagram showing a configuration of a personal authentication device for preventing forgery using two pieces of biometric information according to the sixth embodiment of the present invention. In FIG. 6, a biometric information 1 input unit 35 acquires any one of biometric information necessary for authentication, such as a fingerprint, a voiceprint, a face, and an iris.

The biometric information 2 input means 36 acquires any one of the biometric information necessary for authentication, such as a fingerprint, a voiceprint, a face, and an iris, other than the biometric information input by the biometric information 1 input means 35. The biological information quality comprehensive determination unit 37 comprehensively evaluates the quality of the biological information input from the biological information 1 input unit 35 and the biological information 2 input unit 36 by using a measuring method or a determination method according to the type of the biological information. A determination is made as to whether or not it is a perjury, and if it is determined to be a perjury, the subsequent processing is terminated and a warning is issued.

The operation of the biological information quality comprehensive judgment means 37 will be described with reference to the drawings. FIG. 7 is a flowchart showing the flow of processing in the biological information quality comprehensive determination means when a fingerprint and a voiceprint are used as biological information. Step S
In step 701, the biological information quality comprehensive determination unit 37 performs finger temperature measurement using the thermal sensor, and in step S702, performs finger quality determination for determining fingerprint quality based on the finger temperature measurement result.

If it is determined by the finger quality determination that the authentication is false, the process ends. If it is determined to be authentic, the process proceeds to step S703, where the biological information quality comprehensive determination unit 37
Measures the movement of the mouth using a camera, and proceeds to step S7
At 04, a voiceprint quality determination, which is the quality of the voiceprint, is performed based on the measurement result of the mouth movement.

If the voice print quality is determined to be a perjury, the process is terminated. If it is determined to be true, the processing in the biological information quality comprehensive determination means 37 ends normally,
Biometric information 1 matching means 38 and biometric information 2 matching means 39
Move on to the processing in.

The biometric information 1 collating means 38 extracts a characteristic amount necessary for collation from the biometric information acquired by the biometric information 1 input means 35, performs collation with biometric information 1 registration data 41 registered in advance, Calculate the degree. The biometric information 2 matching unit 39 extracts a feature amount necessary for matching from the biometric information acquired by the biometric information 2 input unit 36, performs matching with the biometric information 2 registration data 42 registered in advance, and calculates the similarity. I do.

The composite determining means 40 comprehensively determines whether or not the user is a person using the similarity calculated by the biological information 1 matching means 38 and the biological information 2 matching means 39. As the determination method, for example, the similarity calculated by the biometric information 1 matching unit 38 is higher than a preset threshold value, and the similarity calculated by the biometric information 2 matching unit 39 is set in advance. If it is higher than a certain threshold, it is judged as the person and accepted,
In other cases, there is a method in which the person is determined to be another person and rejected.
However, other methods are not excluded.

As described above, the personal authentication apparatus according to the sixth embodiment of the present invention is provided with the means for inputting two pieces of biometric information and the biometric information quality judging means for judging the quality of each piece of biometric information. By judging whether or not the two pieces of biometric information obtained are information for forgery such as impersonation, it is possible to prevent forgery due to impersonation, and to realize a more secure personal authentication device. .

As biometric information, fingerprints, voice prints, faces,
By using the information about any one of the irises for authentication, it is possible to prevent false identification due to impersonation, and to realize a more secure personal authentication device.

Next, a personal authentication apparatus according to a seventh embodiment of the present invention will be described with reference to the drawings. 1 to 5
If the matching rate is determined to be 100% or higher than a predetermined value by the matching determining means 4, the fingerprint matching means 9 and 16, the voiceprint matching means 24, and the face or iris matching determining means 31 in the personal authentication device shown in FIG. It is determined to be a perjury and the process ends. This is because in the authentication based on the biometric information, it is almost impossible that the input quality completely matches that at the time of registration due to a change in the physical condition or environment of the person.

FIG. 12 is a diagram schematically showing a criterion used for the above-described determination when one piece of biological information is used.
In FIG. 12, when the similarity is less than th1, it is determined that the person is another person. If the similarity is greater than or equal to th1 and less than th2, the person is determined to be the person. If the similarity is equal to or greater than th2, it is too high, so it is determined to be a perjury.

As described above, in the personal authentication device according to the seventh embodiment of the present invention, when the matching ratio in the biometric information matching result is 100% or a predetermined value or more, the matching determining means can By dismissing the person as information for perjury, we can prevent perjury by impersonation,
A highly secure personal authentication device can be realized.

Further, by a method of judging forgery from a similarity value without using a measuring device, it is possible to provide a simplified personal authentication device capable of obtaining the above effects.

Next, a personal authentication apparatus according to an eighth embodiment of the present invention will be described with reference to the drawings. When the composite determination means 40 in the personal authentication device shown in FIG. 6 determines that the collation rate is 100% or higher than a predetermined value,
It is determined to be a perjury and the process ends. This is because, as in the eighth embodiment, in authentication based on biometric information, it is almost impossible that the input quality completely matches that at the time of registration due to changes in the physical condition or environment of the individual.

FIG. 13 is a diagram schematically showing a criterion used for determination by the composite determination means 40 when two pieces of biological information are used. When the similarity of the biometric information 1 and the similarity of the biometric information 2 exist in the area B illustrated in FIG.
That is, when the similarity of the biological information 1 is greater than or equal to th1 and less than th2, and the similarity of the biological information 2 is greater than or equal to th3 and less than th4, it is determined that the individual is the person.

When the similarity of the biological information 1 and the similarity of the biological information 2 exist in the area A shown in FIG. 13, that is, the similarity of the biological information 1 is less than th2 and the biological information 2 Area A excluding area B from the area whose similarity is less than th4
If it exists, it is determined to be another person. When the similarity of the biological information 1 and the similarity of the biological information 2 exist in the area C shown in FIG. 13, that is, the similarity of the biological information 1 is th2.
If the similarity of the biometric information 2 is equal to or larger than th4, the similarity is too high, so that the false information is determined.

As described above, in the personal authentication device according to the eighth embodiment of the present invention, the collation judging means has a collation rate of 100% in any one of the two biometric information collation results.
Alternatively, when the value is equal to or more than a predetermined value, by rejecting the person as biometric information as information for forgery, false identification by impersonation can be prevented, and a more secure personal authentication device can be realized.

Further, by a method of determining a perjury from the value of the similarity without using a measuring device, it is possible to provide a simplified personal authentication device capable of obtaining the above effect.

[0069]

As described above, according to the present invention, in order to judge the quality of the biological information, the biological information is obtained by using information obtained by using a measuring device such as a thermal sensor, an electric circuit, an illumination, and a camera. By judging the quality of the fingerprint, authentication with an artificial finger made of a material such as gelatin by taking the shape of a finger in fingerprint authentication, authentication by reproducing a tape recording the voice of the individual in voiceprint authentication, identification in the face and iris authentication In this case, it is possible to prevent a forgery due to impersonation typified by authentication using a face photograph of the user, and to realize a highly secure personal authentication device.

Further, it is possible to provide a personal authentication device that can obtain the above-mentioned effects by performing image processing on information obtained by using the above-mentioned measuring device. Furthermore, a simplified personal authentication device that can achieve the above-described effects can be provided by a method of determining perjury from a similarity value without using a measurement device.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a personal authentication device for preventing perjury using one piece of biometric information according to a first embodiment of the present invention;

FIG. 2 is a block diagram showing a configuration of a personal authentication device for preventing fingerprint perjury using information of a finger temperature according to a second embodiment of the present invention;

FIG. 3 is a block diagram showing a configuration of a personal authentication device for preventing fingerprint perjury using information on finger conductivity according to a third embodiment of the present invention.

FIG. 4 is a block diagram showing a configuration of a personal authentication apparatus for preventing voiceprint perjury using information on mouth movement according to a fourth embodiment of the present invention;

FIG. 5 is a block diagram showing a configuration of a personal authentication apparatus for preventing a face or iris perjury using information on a face shadow according to a fifth embodiment of the present invention.

FIG. 6 is a block diagram showing a configuration of a personal authentication device for preventing perjury using two pieces of biometric information according to a sixth embodiment of the present invention.

FIG. 7 is a flowchart showing the flow of processing in the biological information quality comprehensive determination means when a fingerprint and a voiceprint are used as biological information;

FIG. 8 is a diagram showing a general relationship between a personal authentication threshold value of a personal authentication device using biometric information and two performance evaluation indexes.

FIG. 9 is a diagram schematically showing movement of a mouth to be measured.

FIG. 10 illustrates a case where the mouth moves in a certain direction.

FIG. 11 is a diagram schematically showing a shadow of a face to be measured;

FIG. 12 is a diagram schematically showing a criterion used for determination when one piece of biological information is used according to the seventh embodiment of the present invention.

FIG. 13 is a diagram schematically illustrating a criterion used for determination by the composite determination unit when two pieces of biological information are used according to the eighth embodiment of the present invention.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 biological information input means 2 biological information quality determination means 3 biological information collation means 4 collation determination means 5 biological information registration data 6, 13 fingerprint information input means 7 finger temperature measurement means 8, 15 finger quality determination means 9, 16 fingerprint collation means Reference Signs List 10, 17 Fingerprint collation judgment means 11 Thermal sensor 12, 19 Fingerprint registration data 14 Finger conductivity measurement means 18 Electric circuit 20 Voiceprint information input means 21 Mouth movement measurement means 22 Voiceprint quality judgment means 23 Voiceprint collation means 24 Voiceprint collation judgment Means 25, 33 Camera 26 Voiceprint registration data 27 Face or iris information input means 28 Face shadow measurement means 29 Face or iris quality determination means 30 Face or iris verification means 31 Face or iris verification determination means 32 Illumination 34 Face or iris registration data 35 biological information 1 inputting means 36 biological information 2 inputting means 37 biological information quality comprehensive determining means 3 Biometric information 1 matching means 39 Biometric information 2 matching means 40 Composite determining means 41 Biometric information 1 registration data 42 Biometric information 2 registration data 100, 104 Mouth state (no motion) 101 Mouth state (vertical expansion) 102 Mouth state ( Vertical contraction, left-right expansion) 103 Mouth condition (left-right contraction) 105 Mouth condition (constant direction) 106 Profile edge 107 Distance to profile edge 108 Vertical straight line

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H04N 7/18 A61B 5/10 322 5J104 G10L 3/00 545A 545F H04L 9/00 673D (72) Inventor Minowa Toshimitsu Matsushita Communication Industrial Co., Ltd. (72) Inventor Katsumasa Onda 4-3-1 Tsunashima Higashi, Matsushita Communication Industry Co., Ltd. (Reference) 4C038 FF01 FF05 FG00 VA07 VB03 VB04 VB40 VC01 VC05 5B057 AA20 BA02 CA12 CA16 DA01 DA08 DB02 DC09 DC16 DC34 DC36 5B085 AE25 AE26 AE27 5C054 AA01 CA04 CC02 EA01 EA05 FC01 HA05 A

Claims (14)

[Claims] 1. A biometric information input unit for inputting biometric information for personal authentication, and measuring the quality of the biometric information to determine whether the biometric information is information for perjury including personal impersonation. Biometric information quality determining means, biometric information matching means for comparing biometric information data input from the biometric information input means with biometric information registration data, which is data of the biometric information registered in advance, A collation judging means for judging whether or not the user is the principal based on the biometric information collation result as a collation result by the information collating means, wherein the biometric information quality judging means determines that the biometric information is information for perjury Stops the processing by the biometric information matching means and the matching determination means, and when the biometric information quality determination means determines that the biometric information is authentic information, A personal authentication device, wherein the matching is performed by body information matching means, and the identity is determined by the matching determination means. 2. The personal authentication apparatus according to claim 1, wherein the biometric information is information on any one of a fingerprint, a voiceprint, a face, and an iris. 3. The personal authentication device uses information about a fingerprint as the biometric information, and the biometric information quality determination unit measures the temperature of a finger for acquiring the fingerprint information using a thermal sensor. Finger temperature measuring means, and finger quality determining means for determining whether or not the information on the fingerprint is information for forgery including personal impersonation based on the measurement result of the temperature of the finger. The personal authentication device according to claim 1. 4. The personal authentication device uses information about a fingerprint as the biometric information, and the biometric information quality determination unit determines the conductivity of a finger that acquires the fingerprint information using a predetermined electric circuit. Finger conductivity measuring means for measuring, and finger quality determining means for determining whether or not the information of the fingerprint is information for perjury including personal impersonation based on the measurement result of the conductivity of the finger Claim 1 characterized by the following:
Personal authentication device as described. 5. The personal authentication device uses information about a voiceprint as the biometric information, and the biometric information quality determining unit uses a camera to measure the movement of a mouth for acquiring the voiceprint information. The method according to claim 1, further comprising: a motion measuring unit; and a voiceprint quality determining unit configured to determine whether the information of the voiceprint is information for forgery including personal impersonation based on the measurement result of the movement of the mouth. Item 5. The personal authentication device according to Item 1. 6. The personal authentication device uses information about a face or information about an iris as the biometric information, and the biometric information quality determination unit uses a camera and illumination to measure a face shadow. A face or iris quality determining means for determining whether or not the information on the face or the information on the iris is information for perjury including personal impersonation based on the measurement result of the shadow of the face The personal authentication device according to claim 1, comprising: 7. The method according to claim 1, wherein the matching determination unit rejects the individual as the information for forgery when the matching rate in the biometric information matching result is 100% or a predetermined value or more. The personal authentication device according to claim 1. 8. Biological information 1 input means for inputting first biometric information for personal authentication, biometric information 2 input means for inputting second biometric information for personal authentication, and biometric information 1 input means The quality of the input first biometric information and the quality of the second biometric information input from the biometric information 2 input means are measured, and at least one of the first biometric information and the second biometric information is measured. Biometric information quality comprehensive judgment means for judging whether or not one piece of information is information for perjury including personal impersonation; and the first biometric information registered in advance with the biometric information input from the biometric information 1 input means. Biometric information 1 matching means for comparing biometric information 1 registration data, which is data of biometric information, and biometric information input from the biometric information 2 input means and data of the second biometric information registered in advance Biological information Biometric information 2 matching means for performing matching with registered data, and biometric information 1 matching result which is a matching result by the biometric information 1 matching means and biometric information 2 matching result which is a matching result by the biometric information 2 matching means. Composite determination means for determining whether or not the user is the principal, and at least one of the first biological information or the second biological information is determined by the biological information quality comprehensive determination means as information for falsification. If it is determined, the processing by the biological information 1 matching means, the biological information 2 matching means, and the composite determining means is stopped, and the first biological information and the second biological information
If it is determined that the biometric information is authentic information, the biometric information 1 collation unit performs collation on the first biometric information, and the biometric information 2 collation unit performs collation on the second biometric information.
A personal authentication device, wherein the biometric information is collated and the composite determination means determines whether the user is the principal. 9. The personal authentication apparatus according to claim 8, wherein the first biometric information or the second biometric information is information on any one of a fingerprint, a voiceprint, a face, and an iris. 10. The personal authentication device uses information about a fingerprint as the first biometric information or the second biometric information, and the biometric information quality comprehensive determination unit uses the thermal sensor to detect the fingerprint. Finger temperature measuring means for measuring the temperature of the finger to obtain the information of the finger; and a finger for determining whether or not the information of the fingerprint is information for perjury including personal impersonation based on the measurement result of the temperature of the finger. 9. The personal authentication apparatus according to claim 8, further comprising quality judgment means. 11. The personal authentication device uses information about a fingerprint as the first biometric information or the second biometric information, and the biometric information quality comprehensive determination means uses a predetermined electric circuit to Finger conductivity measuring means for measuring the conductivity of the finger to obtain fingerprint information, and whether or not the fingerprint information is information for perjury including personal impersonation based on the measurement result of the finger conductivity. 9. The personal authentication apparatus according to claim 8, further comprising: a finger quality determining unit for determining whether the personal authentication is performed. 12. The personal authentication device uses information about a voiceprint as the first biometric information or the second biometric information, and the biometric information quality comprehensive determination unit uses a camera to obtain information about the voiceprint. Mouth movement measuring means for measuring the movement of the mouth to obtain the voice print quality which determines whether or not the information of the voice print is information for perjury including personal impersonation based on the measurement result of the movement of the mouth 9. The personal authentication device according to claim 8, further comprising a determination unit. 13. The personal authentication apparatus uses information about a face or information about an iris as the first biometric information or the second biometric information, and the biometric information quality overall determination means includes a camera and a lighting device. A face shadow measuring means for measuring the shadow of the face to obtain the biometric information, and information about the face or information about the iris based on the measurement result of the face shadow for false identification including spoofing of a person. 9. The personal authentication apparatus according to claim 8, further comprising: a face or iris quality determining unit that determines whether the information is the information of the face or the iris. 14. The biological information 1
When the matching rate in at least one of the biometric information 1 matching result as the matching result of the matching means and the biometric information 2 matching result as the matching result of the biometric information 2 matching means is 100% or a predetermined value or more. 9. The personal authentication apparatus according to claim 8, wherein the biometric information is rejected as information for perjury.