JP7161129B1 - Information processing device and information processing program - Google Patents

Abstract

An information processing apparatus capable of performing biometric authentication by more appropriately guiding the position of a living body with respect to a detection surface of the living body when performing biometric authentication using a non-contact sensor. An information processing device includes a first sensor that acquires biometric information of a living body positioned in a non-contact state with a detection surface, and a position that is different from the first sensor and acquires the positional information of the living body. a posture acquisition unit that acquires posture information of the living body with respect to the first sensor based on the second sensor, the biological information acquired by the first sensor, and the position information acquired by the second sensor; a guide unit that guides the biometric authentication posture to a predetermined detection posture with respect to the first sensor based on the above. [Selection drawing] Fig. 2

Description

TECHNICAL FIELD Embodiments of the present invention relate to an information processing apparatus and an information processing program.

Information processing equipment including personal computers (hereinafter sometimes referred to as “PC”), tablet terminals, smart phones, mobile phones, etc., are authorized users (pre-registered registrants) who use the information processing equipment. In many cases, an authentication function is provided for determining whether or not the As a method of authentication, for example, a technique of requesting input of a passcode and affirming authentication when the input contents match is generally used. In addition, biometric authentication has become popular as an authentication method with higher security. For example, there is an authentication technology that uses physical features that are regarded as information unique to a person. For example, palm vein, finger vein, fingerprint, iris, etc. are used. Authentication using the entire face has also been put to practical use. Among such biometric authentication devices, in a non-contact type biometric authentication device in which a living body is not brought into contact with a biometric detection surface, there is a technique for guiding a biometric body to be correctly positioned (held up) with respect to the detection surface. Proposed.

JP 2017-091186 A

However, in the configuration of the prior art, the position and angle of the living body with respect to the living body detection surface are estimated only from the information acquired by the biometric authentication device. In this case, when the position of the living body with respect to the living body detection surface is a position where the information of the living body cannot be read sufficiently, for example, when the living body is out of the recognition area, the position and angle of the living body can be accurately grasped. is difficult, and there is a problem that an erroneous guidance may be performed when guiding a living body, or a long time may be required until completion of authentication processing.

Therefore, one example of the problem to be solved by the present invention is that when performing biometric authentication using a non-contact sensor, it is possible to more appropriately guide the position of the living body with respect to the detection surface of the living body to perform biometric authentication. To provide an information processing device capable of

An information processing apparatus according to a first aspect of the present invention includes: a first sensor that acquires biological information of a living body positioned in a non-contact state on a detection surface; a second sensor that is arranged at a position different from the first sensor that can be overlooked together with the sensor of and acquires position information of the living body with respect to the first sensor together with the first sensor; a posture acquisition unit for acquiring posture information of the living body with respect to the first sensor based on the biological information acquired by and the position information acquired by the second sensor; and a guide unit that guides the first sensor so that the authentication posture is a predetermined detection posture.

Further, for example, when the authentication posture does not satisfy the predetermined detected posture, the guidance section may perform correction guidance for correcting the detected posture.

Further, the posture obtaining unit may obtain, for example, posture information indicating a three-dimensional position of the living body based on the position information.

Further, for example, the guide unit, based on the three-dimensional position, determines the positional deviation amount of the living body with respect to the front position of the detection plane, the distance from the detection plane to the living body, and the angle of the living body with respect to the detection plane. , at least one of which may be provided.

An information processing program according to a second aspect of the present invention comprises a first detection process of acquiring biometric information of a living body positioned in a non-contact state on a detection surface with a first sensor ; A second sensor arranged at a position different from the first sensor that can overlook the living body together with the first sensor acquires positional information of the living body with respect to the first sensor together with the first sensor. posture for acquiring posture information of the living body with respect to the first sensor, based on a second detection process, the biological information acquired by the first sensor, and position information acquired by the second sensor An information processing apparatus is caused to execute an acquisition process and a guidance process for guiding the authentication posture of the biometric body to a predetermined detection posture with respect to the first sensor based on the posture information.

According to the above aspect of the present invention, in addition to acquiring biological information by the first sensor, the second sensor arranged at a position different from that of the first sensor acquires position information of the living body with respect to the detection surface. Therefore, the position of the living body with respect to the detection surface can be more accurately grasped. As a result, more accurate guidance can be provided so that the biometric authentication posture becomes a predetermined detection posture with respect to the first sensor.

FIG. 1 is an exemplary schematic perspective view showing the appearance of an information processing apparatus according to an embodiment. FIG. 2 is an exemplary schematic block diagram showing the functional configuration of the information processing apparatus according to the embodiment; FIG. 3 is an exemplary flowchart illustrating the flow of biometric authentication processing by the information processing apparatus according to the embodiment;

Illustrative embodiments of the invention are disclosed below. The configurations of the embodiments shown below and the actions, results, and effects brought about by the configurations are examples. The present invention can be realized by configurations other than those disclosed in the following embodiments, and at least one of various effects based on the basic configuration and derivative effects can be obtained. .

FIG. 1 is an exemplary and schematic perspective view showing the appearance of an information processing apparatus 10 according to an embodiment.

As shown in FIG. 1, the information processing apparatus 10 is configured as, for example, a notebook personal computer. The information processing apparatus 10 is roughly divided into a display section 10a, a keyboard section 10b, a palm rest section 10c, a touch pad section 10d, and the like.

The display unit 10a is, for example, an LCD (liquid crystal display), an OELD (organic electroluminescent display), or the like. When the information processing apparatus 10 is used, the display section 10a is opened to separate the keyboard section 10b and the touch pad section 10d from the display section 10a, thereby exposing them to a usable state. Further, when the information processing apparatus 10 is not in use or carried, the keyboard section 10b and the touch pad section 10d are covered with the display section 10a by closing the display section 10a, thereby protecting each other and information processing. To make the device 10 compact and easy to carry.

The keyboard section 10b functions as a first operation input section. A touch pad section 10d functioning as a second operation input section is arranged substantially in the center of the palm rest section 10c on the front side of the keyboard section 10b. When the operator of the information processing device 10 taps, scrolls, or pinches the touch pad 10d with a finger, a determination operation, a selection operation, or a scroll operation is performed on the display unit 10a. Input operations such as enlargement and reduction operations can be realized.

Further, in the case of the information processing apparatus 10 shown in FIG. 1, a part of the palm rest portion 10c, for example, a biometric authentication device 12 as a first sensor is located adjacent to the touch pad portion 10d in the direction of the arrow X1 in the drawing. are placed. The biometric authentication device 12 has a flat detection surface 12a, and can acquire biometric information of a finger 14a of a living body 14 positioned on the detection surface 12a in a non-contact state. The biometric authentication device 12 constitutes, for example, a sensor unit of a device that performs authentication using finger veins. The information processing device 10 compares the finger vein pattern acquired by the biometrics authentication device 12 with a reference finger vein pattern of an authorized registrant previously registered in the information processing device 10 to determine whether authentication is possible.

The information processing apparatus 10 of the present embodiment also includes a second sensor that is arranged at a position different from that of the biometric authentication device 12 (first sensor) and acquires position information of the living body 14 . In the case of the information processing apparatus 10 of FIG. 1, an example is shown in which the input device 16 arranged substantially at the center position of the upper frame portion of the display portion 10a functions as the second sensor. The input device 16 that functions as the second sensor is, for example, a front camera, and is set so that the imaging range E includes at least the arrangement area of the biometric authentication device 12 . The input device 16, which also serves as a front camera, captures and transmits a facial image of the operator of the information processing device 10 facing the information processing device 10 (display unit 10a), for example, when making a video call. can be saved. As will be described later, the input device 16 includes an area where the biometric authentication device 12 is placed in an imaging range E of the input device 16 (front camera), and images a finger 14a held up in a non-contact state on the detection surface 12a. By doing so, the finger 14a can be guided (guided) to be held at a position suitable for finger vein authentication.

FIG. 2 is an exemplary and schematic block diagram showing the functional configuration of the information processing device 10. As shown in FIG.

As shown in FIG. 2, the information processing apparatus 10 includes a biometric authentication device 12, an input device 16, a storage section 18, an authentication processing section 20, an output device 22, and the like. Note that FIG. 2 shows only the configuration for realizing the biometric authentication processing of this embodiment. Therefore, the configuration that realizes the basic functions of the information processing apparatus 10 (a well-known arithmetic function, communication function, image reproduction function, etc.) is omitted from the drawing and the description thereof will be omitted.

The biometric authentication device 12 (first sensor) is a sensor that performs finger vein authentication, as described above. Finger vein authentication is a technique for identifying an individual using the pattern of veins inside a finger 14a, which is a part of a living body 14. Near-infrared rays absorbed by reduced hemoglobin in the blood flowing through the veins are applied to the finger 14a. is imaged and the vein pattern is extracted. Then, by matching the detected vein pattern with the vein pattern of the authorized registrant registered in advance in the authentication processing unit 20 (information processing device 10), it is determined whether or not the authentication is possible.

The input device 16 is, for example, a front camera, as described above. The input device 16 is, for example, a digital camera incorporating an imaging device such as a CCD (Charge Coupled Device) or CIS (CMOS image sensor). When biometric authentication processing is requested, the input device 16 captures at least the detection surface 12a of the biometric authentication device 12 and the finger 14a held over the detection surface 12a, and captures moving image data (captured image) at a predetermined frame rate. data) is sequentially provided to the authentication processing unit 20 .

The storage unit 18 is a non-volatile rewritable memory, and is executed by the information processing device 10 in addition to the information processing program 18a when the authentication processing unit 20 is implemented on, for example, a CPU (central processing unit, processing unit). Various application programs 18b and the like for realizing various possible processing functions are stored. Note that the storage unit 18 may store parameters and the like necessary for executing various programs.

Based on the biometric information of the finger 14a acquired by the biometrics authentication device 12 (first sensor) and the positional information of the finger 14a acquired by the input device 16 (second sensor), the authentication processing unit 20 determines whether the living body 14 is detected by the detection surface. The position (orientation) held over the finger 12a can be adjusted, and authentication processing is executed when the finger 14a is held over an appropriate position.

The authentication processing unit 20 includes an information acquiring unit 20a, a posture acquiring unit 20b, a guiding unit 20c, an authentication determining unit 20d, etc. as detailed modules for executing position (orientation) adjustment processing and biometric authentication processing.

When the application program 18b is executed, the information acquisition unit 20a is assumed that the current user of the information processing apparatus 10 is an authorized registrant and/or an authorized user of the executed application program 18b. The biometric device 12 is activated when an authentication request for determining whether or not there is is received. Then, the biometric information of the finger 14a of the living body 14 positioned in the non-contact state above the detection surface 12a of the biometrics authentication device 12 is acquired and provided to the posture acquisition unit 20b. In addition, the information acquisition unit 20a simultaneously activates the input device 16 for authentication at the same time as the biometric authentication device 12, and captures an image of the biometric authentication device 12 arrangement area (area including the detection surface 12a) and the finger 14a to be authenticated. . Then, the information acquisition unit 20a sequentially acquires the position information (moving image data, captured image data) of the finger 14a with respect to the detection surface 12a, and provides it to the orientation acquisition unit 20b.

The posture acquisition unit 20b detects the biometric authentication device 12 based on the biometric information acquired by the biometric authentication device 12 (first sensor) and the position information of the finger 14a acquired by the input device 16 (second sensor). The posture information of the finger 14a with respect to the surface 12a is acquired. In the case of the input device 16 of FIG. 1, an image including the detection surface 12a is taken while looking down obliquely downward on the finger 14a held above the detection surface 12a. At this time, the position of the detection surface 12a and the position of the input device 16 are positions fixed to each other. Therefore, by subjecting the captured image data captured by the input device 16 to well-known image processing, the position of the finger 14a on a plane parallel to the detection surface 12a (positions in the directions of arrows X1-X2 and Y1-Y2 in FIG. 1) ) can be detected. Similarly, it is possible to detect the distance from the surface of the detection surface 12a (distance in the direction of arrow Z1-Z2 in FIG. 1). Further, the angle with respect to the detection surface 12a can be detected based on the feature points on the surface of the finger 14a, for example, how the nail looks.

Therefore, the orientation acquisition unit 20b uses two types of orientation information (orientation information based on the biometric information acquired by the biometric authentication device 12 and orientation information based on the position information acquired by the input device 16) to determine the surface of the detection surface 12a. Posture information can be obtained that more accurately indicates the current position, height and angle of the finger 14a relative to the . Then, based on more accurate posture information of the current finger 14a, it becomes possible to determine whether the position of the finger 14a is optimal with respect to the detection surface 12a. For example, in order for the biometrics authentication device 12 to accurately detect the finger vein pattern of the finger 14a, the finger 14a is positioned, for example, substantially in the center of the detection surface 12a, and the finger vein is focused on. 14a must be positioned. Therefore, based on the current posture information of the finger 14a, the posture acquisition unit 20b calculates a correction amount for moving the finger 14a to an optimum position at a predetermined height, for example, at the center position of the detection surface 12a.

The guide unit 20c adjusts the authentication posture of the living body 14 to a predetermined detection posture with respect to the biometric authentication device 12 based on the posture information (correction amount) of the finger 14a with respect to the detection surface 12a calculated by the posture acquisition unit 20b. invite. For example, the person to be authenticated (living body 14) is guided to move the position of the finger 14a in the direction of arrow A (direction of arrow X2) in FIG. 1 to move in the direction of arrow Z2). Also, the finger 14a is rotated in the direction of arrow R1 or R2 in FIG. 1 to adjust the angle of the finger 14a with respect to the detection surface 12a (the ball of the finger 14a faces the detection surface 12a).

The guiding unit 20c outputs to the output device 22 guidance information for correcting the position (orientation) of the finger 14a. The output device 22 is, for example, the display unit 10a (see FIG. 1) or an audio output device (eg, speaker) not shown. When the output device 22 is the display unit 10a, the guide unit 20c may indicate the direction of movement and the direction of rotation of the finger 14a on the display unit 10a by, for example, an arrow. For example, as the position of the finger 14a with respect to the detection surface 12a deviates from the optimum position (orientation), the arrow displayed on the display unit 10a emphasizes the red color and approaches the optimum position (orientation). Accordingly, for example, the display may be changed to green. Then, the guide section 20c may turn off the arrow display when the position of the finger 14a with respect to the detection surface 12a reaches the optimum position (orientation). At this time, the guide unit 20c may display a message indicating that the position (orientation) of the finger 14a with respect to the detection surface 12a is optimal, or an indicator indicating completion of adjustment. Further, the guiding unit 20c may display an image of the finger 14a or an index (animation) indicating the finger 14a together with an arrow guiding correction (movement). Further, the guidance unit 20c may perform guidance as described above using a voice output device, or may perform a combination of display guidance by the display unit 10a and voice guidance with the voice output device. Further, the guide section 20c may guide the correction (movement) of the finger 14a with respect to the detection surface 12a using specific numerical values. For example, guidance such as "Please move your finger to the right about 10 mm" or "Please keep your finger further away from the detection surface by about 10 mm" may be provided.

When the position (orientation) of the finger 14a with respect to the detection surface 12a becomes suitable for authentication, the authentication determination unit 20d performs authentication based on a well-known technique, and determines whether or not the authentication is possible. The authentication determination unit 20d returns the authentication result to the application requesting the authentication. Further, the authentication determination unit 20d may provide the authentication result to the output device 22 (display unit 10a) and notify the authentication subject of the authentication result.

As described above, according to the information processing apparatus 10 of the present embodiment, in addition to the posture information based on the biometric information acquired by the biometric authentication device 12, the posture information is arranged at a different position with respect to the biometric authentication device 12 (first sensor). Since the position information of the living body 14 (finger 14a) with respect to the detection surface 12a is acquired by the input device 16 (second sensor), the position of the living body 14 with respect to the detection surface 12a can be more accurately grasped. It is possible to more accurately guide the biometric device 14 so that the authentication orientation of the living body 14 is a predetermined detection orientation with respect to the biometric authentication device 12 (first sensor). That is, it is possible to improve the accuracy of authentication by the authentication processing unit 20 (authentication determination unit 20d). In addition, since the position (orientation) of the finger 14a is quickly adjusted with respect to the detection surface 12a, it is possible to contribute to shortening the time until the authentication processing section 20 (authentication determining section 20d) completes the authentication. As a result, compared to a contact-type biometrics authentication device that performs authentication while confirming a sense of contact by bringing the finger 14a into contact with the detection surface 12a, it is necessary to hold the finger 14a above the detection surface 12a. Even with the non-contact biometrics authentication device 12 in which it is difficult to imagine whether the position and posture of the finger 14a with respect to the finger 14a is optimal, more accurate biometrics authentication can be realized more quickly.

An example of the flow of biometrics authentication processing of the information processing apparatus 10 configured in this way will be described with reference to the exemplary flowchart shown in FIG.

When the application program 18b stored in the storage unit 18 is executed, the information acquisition unit 20a of the authentication processing unit 20 determines that the current user of the information processing device 10 is a permitted authorized registrant, and (or ) Confirm whether or not a biometric authentication request has been made to determine whether or not the user is an authorized user of the executed application program 18b (S100). If there is no request for biometric authentication (No in S100), this flow is once terminated. On the other hand, if biometric authentication is requested (Yes in S100), the information acquiring unit 20a activates the biometric authentication device 12 and acquires biometric information (S102). That is, biometric information is acquired in the current state of the finger 14a held over the detection surface 12a. At the same time, the information acquisition unit 20a activates the input device 16 for authentication, images the area where the biometric authentication device 12 is placed (the area including the detection surface 12a) and the finger 14a to be authenticated, and detects the detection surface 12a. Position information (moving image data, captured image data) is acquired for the finger 14a for the (S104).

The authentication processing unit 20 (authentication determination unit 20d) monitors whether or not there is a request to suspend biometric authentication from the application program 18b that requested biometric authentication (S106). If there is no interruption request (No in S106), the authentication determination unit 20d reads biometric information at the current position (orientation) of the finger 14a acquired by the biometric authentication device 12 (S108). Then, the finger vein pattern of the finger 14a is detected based on the read biometric information, and quality calculation is performed to confirm whether or not the acquired biometric information has sufficient quality to ensure a predetermined authentication system. (S110). For example, whether the outline of the finger vein pattern is sharp enough to be compared with the reference finger vein pattern of a registered registrant registered in advance in the information processing apparatus 10 (whether the finger vein pattern is out of focus); Score calculation is performed based on check items such as whether or not there is chipping (whether the finger 14a faces the center position of the detection surface 12a), and a quality value indicating quality is calculated.

If the biometric information quality calculated in S110 can be regarded as suitable for biometric authentication (Yes in S112), the authentication determination unit 20d determines the current position (orientation) of the finger 14a acquired by the biometric authentication device 12. Biometric authentication processing is executed using a well-known technique using the biometric information (S114). Then, the authentication determination unit 20d returns the authentication result to the request source (application program 18b) that made the biometric authentication request (S116), and ends this flow once. That is, biometric authentication (authentication using a finger vein pattern) is performed with the current position (orientation) of the finger 14a without correcting the position (orientation) of the finger 14a.

In S112, if the biometric information quality calculated in S110 cannot be regarded as a quality suitable for biometric authentication (No in S112), first, the posture acquisition unit 20b acquires the current finger 14a acquired by the biometric authentication device 12. Posture information such as the position, distance and angle of the finger 14a with respect to the biometric device 12 is calculated based on the biometric information (S118). That is, it is determined that the finger 14a is not held at a position suitable for biometric authentication, and the current position (orientation) of the finger 14a is grasped based on biometric information. Next, based on the current position information of the finger 14a acquired by the input device 16, the posture acquisition unit 20b calculates posture information indicating the three-dimensional position such as the position, distance, and angle of the finger 14a with respect to the biometric device 12. (S120). As described above, the installation position of the biometric authentication device 12 and the installation position of the input device 16 are different. Therefore, posture information indicating the position, distance, angle, etc. of the finger 14a with respect to the detection surface 12a can be acquired from different viewpoints.

Subsequently, the guiding unit 20c acquires the result of the posture information such as the position, distance, and angle when the finger 14a is viewed from the biometric authentication device 12 estimated by the posture acquiring unit 20b, and the position when viewed from the input device 16. , distance, angle, etc., that is, using both results, the position, distance, and angle between the biometric authentication device 12 and the finger 14a are in a state suitable for authentication. is calculated (S122). That is, the difference from the optimal detection position set in advance on the detection surface 12a is calculated based on two types of generation information. For example, regarding the directions of arrows X1-X2 and arrows Y1-Y2 in FIG. 1, the center position of the frame of the detection surface 12a is assumed to be the optimum position, and posture correction values (plane correction values) are provided so that the pad of the finger 14a is positioned at that position. Calculate 1, the posture correction value (height correction value) is calculated so that the finger 14a comes to the height where the finger 14a is focused. Further, in the direction of the arrows R1-R2 in FIG. 1, a posture correction value (rotation correction value) is calculated so that the ball of the finger 14a faces the detection surface 12a.

Then, the guiding unit 20c creates guidance information (correction information) for guiding the finger 14a to the optimum authentication position based on the calculated posture correction value (S124), and performs guidance processing (correction guidance) based on this guidance information. is executed via the output device 22 (display unit 10a, audio output device, etc.) (S126). As described above, the guidance information includes guidance arrow information displayed on the display unit 10a, voice messages output from the voice output device, and the like. Guidance information indicating a specific amount of correction (amount of movement) may also be used.

When the guidance process by the output device 22 is executed, the process proceeds to S106, and the presence or absence of authentication interruption is confirmed again (S106), and the guided position (the position that can be considered to have moved to a position more suitable for authentication) , the biometric information acquisition process of the finger 14a is performed, and the process of performing the biometric authentication process again is continued.

In S106, if the application program 18b that requested biometric authentication has issued a request to suspend biometric authentication (Yes in S106), the authentication determination unit 20d sends an authentication suspension result indicating that the authentication process has been suspended to the biometric authentication requester. (S128) and terminate this flow.

As described above, according to the information processing apparatus 10, when biometric authentication is performed using the non-contact biometric authentication device 12, the position of the living body 14 (finger 14a) is more appropriately guided with respect to the detection surface 12a of the living body 14. and biometric authentication can be performed.

For example, the information processing apparatus 10 includes a biometrics authentication device 12 (first sensor), an input device 16 (second sensor), an orientation acquisition section 20b, and a guide section 20c. The biometric authentication device 12 acquires biometric information of a living body 14 positioned in a non-contact state on the detection surface 12a. The input device 16 is arranged at a position different from the biometric authentication device 12 and acquires the position information of the living body 14 . The posture acquisition unit 20 b acquires posture information of the living body 14 (finger 14 a ) with respect to the biometric authentication device 12 based on the biometric information acquired by the biometric authentication device 12 and the position information acquired by the input device 16 . The guiding unit 20c guides the biometric device 12 so that the authentication posture of the living body 14 is a predetermined detection posture based on the posture information. According to this configuration, for example, in addition to acquisition of biometric information by the biometric authentication device 12, the input device 16 (second sensor) arranged at a different position with respect to the biometric authentication device 12 (first sensor) Since the position information of the living body 14 with respect to the detection surface 12a is obtained, the position of the living body 14 with respect to the detection surface 12a can be more accurately grasped. As a result, it is possible to more accurately guide the biometric authentication apparatus 12 so that the authentication posture of the living body 14 becomes a predetermined detection posture, which contributes to the improvement of the biometric authentication system. In addition, since the living body 14 (finger 14a) can be quickly guided to the optimum position for authentication, it can contribute to shortening the biometric authentication processing time.

In addition, when the authentication posture does not satisfy a predetermined detected posture, the guidance unit 20c performs correction guidance for correcting the detected posture. According to this configuration, for example, when the authentication orientation satisfies a predetermined detection orientation, the guidance processing is omitted, which contributes to reduction of the processing load and shortening of the processing time.

Also, the posture acquisition unit 20b acquires posture information indicating the three-dimensional position of the living body 14 based on the position information. According to this configuration, for example, the living body 14 (finger 14a) can be easily guided to a three-dimensional position that is optimal for authentication, and guidance can be performed with higher accuracy.

Further, based on the three-dimensional position, the guide unit 20c determines the displacement amount of the living body 14 (finger 14a) with respect to the front position of the detection surface 12a, the distance from the detection surface 12a to the living body 14 (finger 14a), and the distance from the detection surface 12a. At least one of the angle of the living body 14 (finger 14a) and the guidance is performed. With this configuration, the living body 14 (finger 14a) can be guided more accurately and efficiently with respect to the detection surface 12a.

The information processing program 18a also causes the information processing apparatus 10 to execute a first detection process, a second detection process, a posture acquisition process, and a guidance process. In the first detection process, biometric information of a living body 14 positioned in a non-contact state on the detection surface 12a is acquired by the biometrics authentication device 12 (first sensor). In the second detection process, the input device 16 (second sensor) arranged at a position different from the biometric authentication device 12 acquires the position information of the living body 14 . The posture acquisition process acquires posture information of the living body 14 with respect to the biometric authentication device 12 based on the biometric information acquired by the biometric authentication device 12 and the position information acquired by the input device 16 . The guidance processing guides the biometric device 12 so that the authentication posture of the living body 14 is a predetermined detection posture based on the posture information. According to this configuration, for example, in addition to acquisition of biometric information by the biometric authentication device 12, the input device 16 (second sensor) arranged at a different position with respect to the biometric authentication device 12 (first sensor) Since the position information of the living body 14 with respect to the detection surface 12a is obtained, the position of the living body 14 with respect to the detection surface 12a can be more accurately grasped. As a result, it is possible to more accurately guide the biometric authentication apparatus 12 so that the authentication posture of the living body 14 becomes a predetermined detection posture, which contributes to the improvement of the biometric authentication system. In addition, since the living body 14 (finger 14a) can be quickly guided to the optimum position for authentication, it can contribute to shortening the biometric authentication processing time.

The information processing program for guiding the living body to be executed by the information processing device 10 (CPU) of the present embodiment is a file in an installable format or an executable format on a CD-ROM, a flexible disk (FD), or a CD-ROM. It may be configured to be provided by being recorded on a computer-readable recording medium such as R, DVD (Digital Versatile Disk).

Furthermore, the information processing program may be stored on a computer connected to a network such as the Internet and provided by being downloaded via the network. Further, the information processing program executed in this embodiment may be configured to be provided or distributed via a network such as the Internet.

In the above-described embodiment, the information processing apparatus 10 is a notebook personal computer. In another embodiment, the configuration of this embodiment can be applied to a stationary desktop computer, a tablet terminal, a smart phone, a mobile phone, or the like, as long as the information processing device allows the biometric authentication device 12 and the input device 16 to be placed at different positions. It is possible, and the same effect as the embodiment described above can be obtained.

In addition, in the embodiment described above, the front camera is shown as the input device 16 (second sensor). In another embodiment, the position information of the detection surface 12a of the biometrics authentication device 12 and the position information of the living body 14 (finger 14a, etc.) held over the detection surface 12a, which can be arranged at a position different from the biometrics authentication device 12 (first sensor). Other sensors can be used as long as the sensor can acquire . For example, an infrared camera, a radar, a distance measuring sensor, or the like can be used as the second sensor, and the same effects as those of the present embodiment can be obtained.

Further, in the above-described embodiment, an example of guiding the living body 14 at the time of authentication was shown. 14 can be guided to the optimal registered position (registered posture). As a result, it is possible to contribute to improving the accuracy of registration information, speeding up registration, and the like.

Further, in the present embodiment, an example in which the guide part 20c specifically guides the living body 14 is shown. In other embodiments, simple guidance may be provided. For example, guidance such as "Move the position of the finger directly above the detection surface" or "Please bring the finger closer to the detection surface" may be used, and similar effects can be obtained.

While embodiments and variations of the invention have been described, these embodiments and variations are provided by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and modifications can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the scope of the invention described in the claims and equivalents thereof.

DESCRIPTION OF SYMBOLS 10... Information processing apparatus 10a... Display part 12... Biometric authentication apparatus (first sensor) 12a... Detection surface 14... Living body 14a... Finger 16... Input device (second sensor) 18... Memory Part 18a... Information processing program 18b... Application program 20... Authentication processing unit 20a... Information acquisition unit 20b... Posture acquisition unit 20c... Guidance unit 20d... Authentication determination unit 22... Output device E... Imaging range

Claims (5)

a first sensor that acquires biological information of a living body positioned in a non-contact state on the detection surface;
The living body held by the first sensor can be overlooked together with the first sensor arranged at a position different from the first sensor,to the first sensor together with the first sensora second sensor that acquires position information of the living body;
a posture acquisition unit configured to acquire posture information of the living body with respect to the first sensor based on the biological information acquired by the first sensor and the position information acquired by the second sensor;
a guide unit that guides the biometric authentication posture to a predetermined detection posture with respect to the first sensor based on the posture information;
An information processing device. 2. The information processing apparatus according to claim 1, wherein said guidance section performs correction guidance for correcting said detected posture when said authentication posture does not satisfy said predetermined detected posture. 3. The information processing apparatus according to claim 1, wherein said posture acquisition unit acquires posture information indicating a three-dimensional position of said living body based on said position information. Based on the three-dimensional position, the guide section determines at least an amount of displacement of the living body with respect to the front position of the detection surface, a distance from the detection surface to the living body, and an angle of the living body with respect to the detection plane. 4. The information processing apparatus according to claim 3, wherein guidance is provided for one. a first detection process of acquiring biometric information of a living body positioned in a non-contact state on a detection surface with a first sensor;
The living body held by the first sensor can be overlooked together with the first sensor A second sensor located at a position different from the first sensor,to the first sensor together with the first sensora second detection process for acquiring position information of the living body;
Posture acquisition processing for acquiring posture information of the living body with respect to the first sensor based on the biometric information acquired by the first sensor and the position information acquired by the second sensor;
Guidance processing for guiding the authentication posture of the biometric body to a predetermined detection posture with respect to the first sensor based on the posture information;
An information processing program that causes an information processing device to execute.

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