JP6418685B2 - Authentication processing apparatus and authentication processing method - Google Patents

Description

  The present invention relates to an authentication processing device and an authentication processing method for performing authentication processing of a person to be authenticated.

  Currently, in an automated teller machine (ATM) of a bank, a personal identification number is used as a security key, for example, a four-digit number is used. On the other hand, crimes forged by card counterfeiting or voyeurism at the time of entering a personal identification number are not unending.

  Against this background, recently, from the viewpoint of improving security, authentication using biometric information such as hand fingerprints and vein patterns as a security key has been proposed and realized (for example, (See Patent Document 1 and Patent Document 2).

JP 2002-49913 A JP 2007-115072 A

  However, the authentication processing system using the above-described biometric information as a security key has a problem that its introduction cost is considerably high and it is difficult to easily introduce it.

  Further, in the authentication processing system using the above-described biometric information as a security key, it is necessary to bring a hand or the like into contact with the input sensor when performing authentication. This means that an unspecified number of people come into contact with the input sensor. For example, there is a problem of giving disgust to a person who is tidy.

  The present invention has been made in view of such problems, and it is an object of the present invention to make it easy to introduce an authentication processing system, and to provide a mechanism that realizes non-contact and secure security. .

An authentication processing apparatus according to the present invention is an authentication processing apparatus that includes a distance image sensor that captures a moving image of a distance image of the authentication subject's hand, and performs authentication processing of the authentication subject using the distance image. A storage means for storing a personal identification number of the subject, a number setting means for setting a unique number for each divided area by dividing the moving image shooting area by the distance image sensor into a plurality of divided areas; Based on the obtained distance image, stationary position information acquisition means for acquiring stationary position information indicating a stationary position of the fingertip in the hand, and determining the segmented region to which the stationary position belongs based on the stationary position information, Number acquisition means for acquiring the number set in the segmented area by the number setting means; time-series number that is a time-series number acquired by the number acquisition means; and the password Based on the item, possess an authentication processing unit for performing authentication processing of the authentication target person, the range image sensor is installed in a dark box, the distance image of the hand inserted into the dark box Take a video .

The authentication processing method of the present invention includes a distance image sensor that takes a moving image of a distance image of the authentication subject's hand, and a storage unit that stores a personal identification number of the authentication subject, and uses the distance image for the authentication target. An authentication processing method by an authentication processing device that performs authentication processing of a person, wherein the moving image shooting area by the distance image sensor is divided into a plurality of divided areas, and a number setting step for setting a unique number for each divided area; A stationary position information acquisition step for acquiring stationary position information indicating a stationary position of a fingertip on the hand based on the distance image obtained by the moving image shooting, and the classification to which the stationary position belongs based on the stationary position information An area is determined, and a number acquisition step for acquiring the number set in the section area by the number setting step, and a time series in the number acquisition step. A time series number is by number, based on said PIN, possess an authentication processing step of performing authentication processing of the authentication target person, the range image sensor is installed in a dark box, the The moving image of the distance image of the hand inserted in the dark box is taken .

  According to the present invention, it is easy to introduce an authentication processing system, and non-contact and secure security can be realized.

It is a figure which shows an example of the external appearance of the authentication processing apparatus which concerns on the 1st Embodiment of this invention. It is a figure which shows an example of a function structure of the authentication processing apparatus which concerns on the 1st Embodiment of this invention. In the authentication processing apparatus which concerns on the 1st Embodiment of this invention, it is a figure which shows an example of the process which divides the moving image shooting area | region by a distance image sensor into a some division area. It is a figure which shows an example of the personal identification number of each authentication subject memorize | stored in the personal identification number memory | storage part shown in FIG. It is a figure which shows an example of the some matching pattern memorize | stored in the division area and number corresponding | compatible information storage part shown in FIG. It is a figure which shows an example which set the unique number with respect to each division area shown in FIG. 3 by the number setting part shown in FIG. It is a flowchart which shows an example of the process sequence of the authentication processing method in the authentication processing apparatus which concerns on the 1st Embodiment of this invention. It is a figure which shows an example of the number acquisition process in step S6 of FIG. It is a figure for demonstrating the division area in the 2nd Embodiment of this invention.

  Hereinafter, embodiments (embodiments) for carrying out the present invention will be described with reference to the drawings.

(First embodiment)
First, a first embodiment of the present invention will be described.

  FIG. 1 is a diagram illustrating an example of an appearance of an authentication processing apparatus 100 according to the first embodiment of the present invention.

  As shown in FIG. 1, the authentication processing device 100 according to the present embodiment includes a distance image sensor 110, an operation input device 120, a processing / control device 130, a display device 140, and an electric lock device 150. It is configured. This authentication processing device 100 is a device that includes a distance image sensor 110 that takes a moving image of a distance image of the authentication subject's hand 200 and performs authentication processing of the authentication subject using the distance image.

  The distance image sensor 110 is installed in a dark box 300 of black or the like in the present embodiment, and the distance image of the hand 200 of the person to be authenticated inserted in the dark box 300 based on the control by the processing / control device 130. To shoot video. Specifically, the distance image sensor 110 includes an infrared LED 111 that emits infrared rays, and an infrared camera 112 that receives the reflected infrared rays and generates a distance image. In the example shown in FIG. 1, the distance image sensor 110 is provided on the first surface 310 of the dark box 300. In addition, the dark box 300 is provided with an insertion port 321 for inserting the authentication subject's hand 200 on the second surface 320, for example.

  The operation input device 120 is operated when, for example, an operator such as a security administrator or an authentication subject inputs various information to the processing / control device 130. This is an input means for inputting information to the processing / control device 130. The operation input device 120 includes, for example, a keyboard 121 and a mouse 122 that is a pointing device.

  The processing / control device 130 controls the overall operation of the authentication processing device 100.

  The display device 140 displays a distance image captured by the distance image sensor 110 or displays various information based on the control by the processing / control device 130.

  The electric lock device 150 performs locking / unlocking of, for example, a door based on the control by the processing / control device 130.

  FIG. 2 is a diagram illustrating an example of a functional configuration of the authentication processing apparatus 100 according to the first embodiment of the present invention. Here, in FIG. 2, the same components as those in FIG. 1 are denoted by the same reference numerals, and detailed description thereof is omitted.

  The processing / control device 130 includes functional units of a personal identification number storage unit 131, a classification area / number correspondence information storage unit 132, a number setting unit 133, a stationary position information acquisition unit 134, a number acquisition unit 135, and an authentication processing unit 136. have.

  In the present embodiment, for example, a password storage unit 131 and a segmented area / number correspondence information storage unit 132 are configured from the external memory of the processing / control device 130. Further, for example, a number setting unit 133, a stationary position information acquisition unit 134, and an authentication processing unit 136 are configured from a program and a communication interface recorded in the CPU and ROM of the processing / control apparatus 130. In addition, for example, the number acquisition unit 135 is configured from the CPU and ROM of the processing / control device 130 and the program recorded in the ROM and the external memory.

  Here, in the authentication processing apparatus 100 according to the present embodiment, processing for dividing the moving image shooting area by the distance image sensor 110 into a plurality of divided areas is performed. An example of this process will be described with reference to FIG.

  FIG. 3 is a diagram illustrating an example of a process of dividing the moving image shooting area by the distance image sensor 110 into a plurality of divided areas in the authentication processing apparatus 100 according to the first embodiment of the present invention. In the example shown in FIG. 3, the first surface 310 shown in FIG. 1 is the bottom surface, and the coordinates (X, Y, Z) of the distance image sensor 110 are (0, 0, 0). An axis is set.

  FIG. 3A shows an example in which the moving image shooting area by the distance image sensor 110 is divided into eight divided areas from a divided area a to a divided area h. FIG. 3B shows an example of the coordinates (X, Y, Z) of the respective divided areas a to h shown in FIG. Here, in the present embodiment, each of the divided regions a to h is a region having a hexahedral shape such as a cube or a rectangular parallelepiped.

Here, it returns to description of FIG. 2 again.
The personal identification number storage unit 131 is a storage unit that stores the personal identification number of the person to be authenticated.

  FIG. 4 is a diagram showing an example of the personal identification number of each person to be authenticated stored in the personal identification number storage unit 131 shown in FIG. In the example illustrated in FIG. 4, an authentication target person ID for identifying an authentication target person and a personal identification number are stored in association with each other.

Here, it returns to description of FIG. 2 again.
The segmented area / number correspondence information storage unit 132 includes a plurality of segmented areas when the moving image capturing area by the distance image sensor 110 is divided into a plurality of segmented areas and a unique number associated with each segmented area. It is a memory | storage means to memorize | store the information of the matching pattern concerning a combination.

  FIG. 5 is a diagram illustrating an example of a plurality of association patterns stored in the segmented area / number association information storage unit 132 illustrated in FIG. Specifically, in the example shown in FIG. 5, as the association pattern 1, the number “1” is assigned to the divided area a shown in FIG. 3, the number “2” is assigned to the divided area b shown in FIG. 3, and the divided area c shown in FIG. 3, the number “4” in the divided area d shown in FIG. 3, the number “5” in the divided area e shown in FIG. 3, the number “6” in the divided area f shown in FIG. 3, and the classification shown in FIG. 3. An association pattern in which the number “7” is associated with the region g and the number “8” is associated with the segmented region h illustrated in FIG. 3 is illustrated. Further, in the example shown in FIG. 5, as the association pattern 2, the number “1” is assigned to the divided area a shown in FIG. 3, the number “5” is assigned to the divided area b shown in FIG. 3, and the number is assigned to the divided area c shown in FIG. “8”, the number “4” in the divided area d shown in FIG. 3, the number “2” in the divided area e shown in FIG. 3, the number “6” in the divided area f shown in FIG. 3, and the divided area g shown in FIG. No. “7” is shown in FIG. 3, and an association pattern in which the number “3” is associated with the segmented area h shown in FIG. 3 is shown.

Here, it returns to description of FIG. 2 again.
The number setting unit 133 divides the moving image shooting area by the distance image sensor 110 into a plurality of divided areas, and performs a process of setting a unique number for each divided area. Specifically, the number setting unit 133, for example, according to the association information for associating a unique number with each of the divided areas a to h input by the person to be authenticated via the operation input device 120, A unique number is set for ~ h.

FIG. 6 is a diagram showing an example in which unique numbers 1 to 8 are set for the respective divided areas a to h shown in FIG. 3 by the number setting unit 133 shown in FIG.
Specifically, FIG. 6 shows, for example, when the person to be authenticated inputs association information indicating that the association pattern 1 shown in FIG. 5 is selected via the operation input device 120, the number setting unit 133 shown in FIG. 3 shows a case where unique numbers 1 to 8 are set for the respective divided areas a to h shown in FIG.

Here, it returns to description of FIG. 2 again.
The stationary position information acquisition unit 134, for example, based on the distance image obtained by moving image shooting by the distance image sensor 110, for example, the fingertip 211 of the index finger 210 in the authentication target person's hand 200 shown in FIG. A process of acquiring stationary position information indicating the stationary position of the person's fingertip 211 ”is performed. Here, for example, the stationary position information acquisition unit 134 acquires information related to the coordinates (X, Y, Z) illustrated in FIG. 3A as the stationary position information.

  The number acquisition unit 135 determines a partitioned region to which the stationary position belongs based on the stationary position information acquired by the stationary position information acquisition unit 134, and acquires a number set in the partitioned region by the number setting unit 133 I do.

  The authentication processing unit 136 determines the authentication target based on the time series number that is the time series acquired by the number acquisition unit 135 and the personal identification number of the authentication target stored in the personal identification number storage unit 131. Authentication process is performed. Specifically, the authentication processing unit 136 performs a process for permitting authentication of the person to be authenticated (hereinafter referred to as “authentication OK process”) when the above-described time-series number matches the above-described personal identification number. On the other hand, when the above-described time-series number and the above-described personal identification number do not match, a process for disabling the authentication of the person to be authenticated (hereinafter referred to as “authentication NG process”) is performed. Here, for example, the authentication processing unit 136 performs a process of unlocking the electric lock device 150 as an authentication OK process, and performs a process of locking the electric lock device 150 as an authentication NG process. Further, the authentication processing unit 136 performs a process of displaying the result of the authentication process for the person to be authenticated on the display device 140 as necessary.

  Next, the processing procedure of the authentication processing method in the authentication processing apparatus 100 will be described.

  FIG. 7 is a flowchart showing an example of the processing procedure of the authentication processing method in the authentication processing apparatus 100 according to the first embodiment of the present invention. 7 is already stored in the personal identification number storage unit 131 at the start of the processing of the flowchart shown in FIG. 7, and the classification area / number correspondence information storage unit 132 has the configuration shown in FIG. Assume that the association pattern is stored.

  First, when an authentication subject person ID is input to the processing / control device 130 via an operation input device 120 from an operator such as an authentication subject person, in step S1 of FIG. From 131, the process which reads the PIN code matched with the input authentication subject person ID is performed. In the description of the flowchart illustrated in FIG. 7, it is assumed that “0001” illustrated in FIG. 4 is input as the authentication target person ID, and the personal identification number “1457” is read. Further, the authentication processing unit 136 sets the number N of digits of the read password. In this example, since the personal identification number is “1457”, N = 4 is set.

  Subsequently, in step S2, the number setting unit 133 performs a process of dividing the moving image shooting area by the distance image sensor 110 into a plurality of divided areas and setting a unique number for each divided area. Specifically, association information for associating a unique number with each of the divided areas a to h illustrated in FIG. 3 from an operator such as an authentication target to the processing / control apparatus 130 via the operation input device 120. When input, the number setting unit 133 sets a unique number for each of the divided areas a to h according to the input association information. In the description of the flowchart shown in FIG. 7, information indicating that “association pattern 1” shown in FIG. 5 is selected is input as the association information, and the number “1” is displayed in the segment area a shown in FIG. 3 is the number “2”, the number “3” is the number “c”, the number “4” is the number “4”, the number “5” is the number “5”. 3, the number “6” is set in the divided area f shown in FIG. 3, the number “7” is set in the divided area g shown in FIG. 3, and the number “8” is set in the divided area h shown in FIG.

  Subsequently, in step S <b> 3, the processing / control apparatus 130 determines whether or not the authentication subject's hand 200 has been detected based on the distance image acquired from the distance image sensor 110. As a result of this determination, when the authentication subject's hand 200 is not detected (S3 / NO), the process waits in step S3 until the authentication subject's hand 200 is detected.

On the other hand, if the result of the determination in step S3 is that the hand 200 of the person to be authenticated is detected (S3 / YES), the process proceeds to step S4 to start the authentication process.
In step S4, the processing / control apparatus 130 sets 1 to the time series input number n indicating the input order of the numbers input in time series by the authentication subject.

  Subsequently, in step S5, the stationary position information acquisition unit 134 determines whether the fingertip 211 of the person to be authenticated illustrated in FIG. 1 is stationary based on the distance image obtained by moving image shooting by the distance image sensor 110, for example. to decide. Here, the stationary position information acquisition unit 134 determines that the fingertip 211 of the authentication target person is stationary when the movement amount of the fingertip 211 of the authentication target person per predetermined time is less than a predetermined amount, for example. And

  If the authentication target person's fingertip 211 is not stationary as a result of the determination in step S5 (S5 / NO), the process waits in step S5 until the authentication person's fingertip 211 is stationary.

  On the other hand, as a result of the determination in step S5, when the fingertip 211 of the person to be authenticated is stationary (S5 / YES), the stationary position information acquisition unit 134 indicates a stationary position that indicates the stationary position of the fingertip 211 of the person to be authenticated. A process of acquiring information is performed, and the process proceeds to step S6. Here, the stationary position information acquisition unit 134 acquires information relating to the coordinates (X, Y, Z) illustrated in FIG. 3A as the stationary position information.

  In step S6, the number acquisition unit 135 determines the partitioned area to which the stationary position belongs based on the stationary position information acquired by the stationary position information acquisition unit 134, and the number set in the partitioned area in step S2 Process to get.

  FIG. 8 is a diagram showing an example of the number acquisition process in step S6 of FIG. FIG. 8A shows a case where the stationary position of the fingertip 211 of the person to be authenticated is the partitioned area a shown in FIG. 3A. In this case, the matching pattern 1 shown in FIG. An example is shown in which the set number “1” is acquired. FIG. 8B shows a case where the stationary position of the fingertip 211 of the person to be authenticated is the divided area d shown in FIG. 3A. In this case, the divided area is shown by the association pattern 1 shown in FIG. In the example, the number “4” set in d is acquired.

Here, it returns to description of FIG. 7 again.
When the process of step S6 is completed, subsequently, in step S7, the processing / control device 130 determines whether the currently set time-series input number n is smaller than the number N of digits of the personal identification number set in step S1. Determine whether.

  As a result of the determination in step S7, if the currently set time-series input number n is smaller than the number N of digits of the password set in step S1 (S7 / YES), the password input process is still completed. If not, the process proceeds to step S8.

  In step S8, for example, the stationary position information acquisition unit 134 determines, for example, whether the fingertip 211 of the person to be authenticated shown in FIG. 1 has moved based on the distance image obtained by moving image shooting by the distance image sensor 110. To do. Here, for example, the stationary position information acquisition unit 134 determines that the fingertip 211 of the authentication target person has moved when the movement amount of the fingertip 211 of the authentication target person per predetermined time is equal to or greater than a predetermined amount. .

  As a result of the determination in step S8, if the fingertip 211 of the person to be authenticated is not moving (S8 / NO), the process waits in step S8 until the fingertip 211 of the person to be authenticated moves.

On the other hand, as a result of the determination in step S8, if the fingertip 211 of the person to be authenticated has moved (S8 / YES), the process proceeds to step S9.
In step S9, the processing / control apparatus 130 changes the time-series input number n by adding 1 to the time-series input number n indicating the input order of the numbers input in time series by the authentication subject. . Then, it returns to step S5 and performs the process based on the changed time series input number n. That is, in the process of the flowchart shown in FIG. 7, the processes in steps S5 to S9 are repeatedly performed for the number of digits (N) of the personal identification number set in step S1.

  If the result of the determination in step S7 is that the currently set time-series input number n is not smaller than the number of digits N of the password set in step S1 (S7 / NO), the password number input process is performed. It is determined that the process has been completed, and the process proceeds to step S10.

  In step S10, the authentication processing unit 136 determines whether or not the time-series number, which is the number acquired in time series in step S6, matches the password read in step S1.

As a result of the determination in step S10, when the time-series number that is the number acquired in time-series in step S6 matches the password read in step S1 (S10 / YES), the process proceeds to step S11.
In step S11, the authentication processing unit 136 performs an authentication OK process for permitting authentication of the person to be authenticated. For example, the authentication processing unit 136 performs a process of unlocking the electric lock device 150 as an authentication OK process so that the person to be authenticated can enter the room by opening a door or the like.

On the other hand, as a result of the determination in step S10, if the time series number, which is the number acquired in time series in step S6, does not match the password read in step S1 (S10 / NO), the process proceeds to step S12.
In step S12, the authentication processing unit 136 performs an authentication NG process that disallows authentication of the person to be authenticated. For example, the authentication processing unit 136 performs a process of locking the electric lock device 150 (maintaining locking) as the authentication NG process so that the person to be authenticated cannot enter the room without opening the door or the like. .

When the process of step S11 is completed, or when the process of step S12 is completed, the process proceeds to step S13.
In step S13, the processing / control device 130 (for example, the authentication processing unit 136) performs processing for displaying the result of the authentication processing for the authentication target person on the display device 140. As a result, if the authentication is determined to be NG in step S12, the display device 140 indicates that the authentication is NG, and if the authentication is determined to be OK in step S11, the display device 140 indicates that the authentication is OK. Is displayed. In addition, for example, the processing / control device 130 transmits the result of the authentication processing for the person to be authenticated to an external device via a network (not shown) as necessary.

  Through the processes in steps S1 to S13 described above, an authentication process based on the number set by the number setting unit 133 is performed.

  Further, in the present embodiment, the example of the authentication process using a 4-digit password has been described following the example shown in FIG. For example, the present invention can be applied to a form in which an authentication process using a two-digit or three-digit password is performed or a form in which an authentication process using a five-digit or more password is performed. is there.

  Further, in the present embodiment, the example in which the moving image shooting area by the distance image sensor 110 is divided into eight divided areas according to the example shown in FIG. 3 has been described. However, in the present invention, the moving area is not necessarily divided into eight divided areas. There is no need to divide, and any form that divides into a plurality of divided areas can be applied to the present invention.

  According to the first embodiment described above, it is easy to introduce an authentication processing system, and it is possible to realize non-contact and secure security.

Further, in the first embodiment, the person to be authenticated inserts his / her hand into the dark box and inputs the password, so that the password can be prevented from leaking to a third party.
Furthermore, in the first embodiment, the authentication target person can freely set a unique number for each divided area by inputting association information for associating a unique number with each divided area. Therefore, it is possible to perform the original password input setting for the person to be authenticated. Thereby, security can be made stronger.

(Second Embodiment)
Next, a second embodiment of the present invention will be described.

  In the first embodiment described above, when the moving image shooting area by the distance image sensor 110 is divided into a plurality of divided areas, as shown in the divided areas a to h in FIG. It was divided into regions consisting of the hexahedron shape. On the other hand, in the second embodiment, when the moving image shooting area by the distance image sensor 110 is divided into a plurality of divided areas, the moving image shooting area is divided into areas having a spherical shape.

  FIG. 9 is a diagram for explaining segmented areas in the second embodiment of the present invention. In FIG. 9, only the divided areas a to d in which the Z coordinate has a negative value among the divided areas a to h illustrated in FIG.

  FIG. 9A shows segmented regions a to d each having a hexahedron shape according to the first embodiment described above. In this case, for example, when the fingertip 211 of the person to be authenticated moves obliquely from the segmented region a to the segmented region c as indicated by the arrow in FIG. 9A, the segmented region b or the segmented region during the movement. There is a concern that an incorrect number may be entered after passing through d.

  On the other hand, FIG.9 (b) has shown the division area ad which consists of the shape of the sphere in 2nd Embodiment. In the case of the present embodiment, for example, even when the fingertip 211 of the person to be authenticated moves obliquely from the divided area a to the divided area c as indicated by the arrow in FIG. For this reason, it is unlikely to pass through the segmented region b and the segmented region d during the movement, and it is possible to suppress erroneous input of numbers. Thereby, the authentication process by the person to be authenticated can be performed more accurately.

  According to the second embodiment, in addition to the effects of the first embodiment described above, authentication processing by the person to be authenticated can be performed more accurately.

(Third embodiment)
Next, a third embodiment of the present invention will be described.

  In the first embodiment and the like described above, the distance image of the hand 200 of the person to be authenticated inserted into the dark box 300 is captured as a moving image, and the authentication process of the person to be authenticated is performed using the distance image. . That is, when the person to be authenticated inserts his / her hand into the dark box and moves his / her fingertip to input his / her own personal identification number, it is possible to prevent the personal identification number from leaking to a third party.

  However, even if the movement of the fingertip of the person to be authenticated at the time of entering the password is leaked to a third party, the person to be authenticated can freely assign a unique number to each divided area by entering the association information. Therefore, since it is possible to perform the original password input setting for the person to be authenticated, security can be ensured.

  Therefore, in the third embodiment, in consideration of the above points, the authentication process for the person to be authenticated is performed without providing the dark box 300 shown in FIGS. 1 and 2. Also in the third embodiment, as in the first embodiment, it is easy to introduce the authentication processing system, and it is possible to realize non-contact and secure security.

(Other embodiments)
The present invention can also be realized by executing the following processing.
That is, software (program) that realizes the functions of the above-described embodiments is supplied to a system or apparatus via a network or various storage media, and a computer (or CPU, MPU, etc.) of the system or apparatus reads the program. It is a process to be executed.
This program and a computer-readable recording medium storing the program are included in the present invention.

  Note that the above-described embodiments of the present invention are merely examples of implementation in practicing the present invention, and the technical scope of the present invention should not be construed as being limited thereto. It is. That is, the present invention can be implemented in various forms without departing from the technical idea or the main features thereof.

DESCRIPTION OF SYMBOLS 100: Authentication processing apparatus, 110: Distance image sensor, 120: Operation input apparatus, 130: Processing / control apparatus, 131: PIN code storage part, 132: Classification area | number corresponding | compatible information storage part, 133: Number setting part, 134 : Stationary position information acquisition unit, 135: number acquisition unit, 136: authentication processing unit, 140: display device, 150: electric lock device, 200: hand of authentication target person, 211: fingertip of authentication target person, 300: dark box

Claims (5)

An authentication processing device that includes a distance image sensor that captures a moving image of a distance image of a hand of an authentication subject, and performs authentication processing of the authentication subject using the distance image,
Storage means for storing a personal identification number of the person to be authenticated;
Dividing the moving image shooting area by the distance image sensor into a plurality of divided areas, number setting means for setting a unique number for each divided area;
Stationary position information acquisition means for acquiring stationary position information indicating a stationary position of a fingertip in the hand based on the distance image obtained by the video shooting;
Number acquisition means for determining the segmented region to which the stationary position belongs based on the stationary position information, and acquiring the number set in the segmented region by the number setting unit;
A time series number is by number acquired in time series in the number obtaining means, based on said PIN, possess an authentication processing unit for performing authentication processing of the authentication target person,
The distance image sensor is installed in a dark box, and the distance image sensor captures a moving image of the distance image of the hand inserted in the dark box . The authentication subject further has an input means for inputting association information for associating the unique number with each of the divided areas,
The authentication processing apparatus according to claim 1, wherein the number setting unit sets the unique number for each of the divided areas according to the association information.   3. The authentication processing apparatus according to claim 1, wherein each of the divided areas is an area having a hexahedral shape.   The authentication processing apparatus according to claim 1, wherein each of the divided areas is an area having a spherical shape. An authentication process comprising a distance image sensor for capturing a moving image of a distance image of the authentication subject's hand and a storage means for storing a personal identification number of the authentication subject, and performing authentication processing of the authentication subject using the distance image An authentication processing method by a device,
A number setting step for dividing a moving image shooting area by the distance image sensor into a plurality of divided areas and setting a unique number for each divided area;
A stationary position information acquisition step of acquiring stationary position information indicating a stationary position of a fingertip in the hand based on the distance image obtained by the video shooting;
A number acquisition step of determining the partition area to which the stationary position belongs based on the stationary position information, and acquiring a number set in the partition area by the number setting step;
A time series number is by number acquired in time series in the number obtaining step, based on said PIN, possess an authentication processing step of performing authentication processing of the authentication target person,
The distance image sensor is installed in a dark box, and the distance image sensor captures a moving image of the distance image of the hand inserted in the dark box .

Images