Entrance monitoring device, entrance monitoring system, and entrance monitoring program

Abstract

To provide an entrance monitoring device capable of suppressing an outsider from entering a security area.SOLUTION: An entrance monitoring device 1 that monitors entrance to a management area where persons to which entrance is permitted by registration information are managed, and the number of persons passing through an entrance at one time is predetermined by a work plan, includes: an authentication unit 12 that determines whether or not authentication is successful on the basis of whether or not authentication information received from a card reader 2 which is provided in the entrance and reads the authentication information is matched with authentication information included in the registration information; and a head count confirmation unit 13 that, when the authentication is determined to be successful by the authentication unit 12, detects the number of persons existing in an area determined in front of the entrance, and when the detected number of persons is matched with the number of persons planned in the work plan, controls to open the entrance, and when the detected number of persons is larger than the number of persons planned in the work plan, controls to close the entrance.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present disclosure relates to an entrance monitoring device, an entrance monitoring system, and an entrance monitoring program for monitoring entrance to a security area.

Background Art

[0002] As a method for monitoring entrance to a security area, which is an area where only predetermined persons can enter, there is a method using an ID (Identifier) card. In this method, when information read from the ID card by a card reader provided near the door at the entrance of the security area matches information registered in advance, the electronic lock of the door is unlocked.

[0003] When using an ID card, only a person whose entrance to the security area is permitted, that is, a person holding an ID card with information registered in advance, can unlock the door. Patent Document 1 discloses a technique for managing unlocking of a door using an ID card and for detecting suspicious behavior by imaging the interior of a security area and analyzing the captured image of the interior and then issuing an alarm when suspicious behavior is detected.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] However, in the technique described in Patent Document 1, although suspicious behavior inside the room can be detected, it is not possible to prevent an outsider, who is a person other than a person whose entrance to the security area is permitted, from entering the security area.

[0006] The present disclosure has been made in view of the above, and an object thereof is to obtain an entrance monitoring device capable of suppressing entry of an outsider into a security area.

Means for Solving the Problems

[0007] In order to solve the above-described problems and achieve the object, an entrance monitoring device according to the present disclosure monitors entry into a management area in which the number of people entering through an entrance at a time is determined in advance by a work plan while a person permitted to enter is managed by predetermined registration information. The entrance monitoring device includes a pre-information storage unit that stores a work plan and registration information, and an authentication unit that determines whether authentication is successful based on whether the authentication information received from an authentication information reading device provided at the entrance and reading the authentication information matches the authentication information included in the registration information. The entrance monitoring device further includes a number confirmation unit that performs a detection process of detecting the number of people present in a predetermined area in front of the entrance when the authentication unit determines that authentication is successful. The work plan includes information indicating an expected number of entrants, which is the number of people scheduled to enter the management area per predetermined unit time. The number confirmation unit controls to open the entrance when the number of people detected by the detection process matches the expected number of entrants corresponding to the current time in the work plan, and controls to close the entrance when the number of people detected by the detection process is greater than the expected number of entrants corresponding to the current time in the work plan. The registered information includes authentication information corresponding to each person permitted to enter the management area. The authentication information reading device acquires the authentication information for each person, and the authentication unit determines that authentication is successful when all the authentication information received from the authentication information reading device within a certain period of time matches the authentication information included in the registered information. to do.

Advantages of the Invention

[0008] According to the present disclosure, there is an effect that entry of an outsider into a security area can be suppressed.

Brief Description of the Drawings

[0009]

Figure 1

Figure 2

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Figure 13

Modes for Carrying Out the Invention

[0010] Hereinafter, an entry monitoring device, an entry monitoring system, and an entry monitoring program according to the embodiments will be described in detail with reference to the drawings.

[0011] Embodiment 1. FIG. 1 is a diagram showing a configuration example of an entrance monitoring system according to Embodiment 1. The entrance monitoring system of the present embodiment includes an entrance monitoring device 1, a card reader 2, a camera 3, and an opening / closing control device 4. The entrance monitoring system of the present embodiment monitors the entrance to a security area. The security area of the present embodiment is an area where conditions are set for the number of people entering at the same time, such as an area where work involving operations that may lead to serious consequences is performed or an area where confidential information is stored. It is a management area where people permitted to enter based on pre-determined registration information are managed, and the number of people entering through the entrance at one time is determined in advance according to a work plan. For example, the security area of the present embodiment is a nuclear power plant, but the security area of the present embodiment is not limited to this.

[0012] The card reader 2 is provided near an entrance door, gate, etc. of the security area, reads the identification information written on the ID card, and transmits the read identification information to the entrance monitoring device 1. Here, the card reader 2 may be provided on a door or the like. In the following, when it is described that it is provided at the entrance, it includes the case where it is installed on the entrance door, gate, etc. itself and the case where it is installed in the vicinity thereof. The card reader 2 is an example of an authentication information reading device that reads authentication information. The ID card is a magnetic card, a card equipped with a contact-type or non-contact-type integrated circuit (IC (Integrated Circuit) card), etc., and the identification information associated with a person permitted to enter the security area is written on it. The opening / closing control device 4 controls the opening and closing of a partition provided at the entrance of the security area such as a door or a gate. The camera 3 is installed at a position where it can image a predetermined area in front of an entrance door, gate, etc. of the security area, images the predetermined area in front of the entrance, and transmits the captured image to the entrance monitoring device 1. A plurality of cameras 3 may be provided. The entrance monitoring device 1 is set, for example, in a management center or the like, and based on the identification information received from the card reader 2 and the image received from the camera 3, transmits a control signal to the opening / closing control device 4 to control the opening and closing of an entrance door, gate, etc. of the security area.

[0013] In the security area of this embodiment, when entering, it is stipulated that entry is made in units of groups composed of a plurality of workers. The members of the group are determined in advance. ID cards are assigned in group units. Therefore, the ID card information, which is an example of the registration information, includes the ID numbers for each group composed of a plurality of people who enter the security area through the entrance at one time.

[0014] FIG. 2 is a schematic diagram showing an installation example of the card reader 2 and the camera 3 of this embodiment. In the example shown in FIG. 2, the card reader 2 is provided near the door 6 which is the entrance of the security area, and the camera 3 is installed above so as to be able to image the area in front of the door 6. In the example shown in FIG. 2, the workers 7-1 to 7-3 are entering the security area, and the worker 7-1 is trying to hold the ID card 5 in front of the card reader 2. Note that FIG. 2 is an example, and the structure of the partition provided at the entrance of the security area, the arrangement position of the card reader 2, and the arrangement position of the camera 3 are not limited to the example shown in FIG. 2. Hereinafter, as an example, an example in which the door 6 is provided at the entrance of the security area will be described.

[0015] Returning to the description of FIG. 1. As shown in FIG. 1, the entry monitoring device 1 of this embodiment includes a communication unit 11, an authentication unit 12, a number confirmation unit 13, an alarm unit 14, and a pre-information storage unit 15.

[0016] The pre-information storage unit 15 stores various types of pre-determined pre-information. The pre-information includes the ID card information indicating the correspondence between the ID number, which is the identification information written on the ID card, and the worker, and the work plan. The ID number is an example of the authentication information used for authentication, and the ID card information is an example of the registration information including the authentication information. The pre-information may be set by an administrator or the like in the entry monitoring device 1 by an input means (not shown in FIG. 1) and stored in the pre-information storage unit 15, or may be transmitted from another device to the entry monitoring device 1 and stored in the pre-information storage unit 15 via the communication unit 11.

[0017] FIG. 3 is a diagram showing an example of ID card information according to the present embodiment. As described above, in the present embodiment, the ID cards are assigned for each group. One or more ID cards are assigned to each group. As shown in FIG. 3, the ID card information stores the ID number, which is the identification information written on the ID card, and the name of the worker, which is the identification information of the leader of each group, in association with each other. Here, an example in which the ID number and the identification information of the group leader are associated with each other in the ID card information is shown. However, the ID number may be associated with the names of all the workers who make up each group. Further, the identification information of the worker is not limited to the name of the worker, and may be other identification information such as an employee number or a staff number.

[0018] FIG. 4 is a diagram showing an example of the work plan according to the present embodiment. As shown in FIG. 4, the work plan stores the date and the planned number of workers who are scheduled to enter the security area at each time (the planned number of entrants) in association with the group (group identification information) that performs the work. In FIG. 4, the time when the planned number of entrants is described as "-" indicates that there are no workers scheduled to enter. The work plan shown in FIG. 4 is described every 30 minutes. For example, it shows that three people in Group A are scheduled to enter between 8:00 and 8:30, and that there are no workers scheduled to enter between 8:30 and 9:00. In FIG. 4, the time is shown in 30-minute units, but it may be set more finely.

[0019] Also, in the example shown in FIG. 4, the work plan includes groups that perform work. However, for the entry monitoring process of this embodiment, it is sufficient that the work plan stores information indicating the number of people scheduled to enter. Therefore, if the work plan includes the number of people scheduled to enter, the group identification information may not be included. Also, the work plan may store other information indicating the number of people scheduled to enter instead of the number of people scheduled to enter. For example, the names or identification information of all workers scheduled to enter may be associated with the time. In this case, the number of names or the number of identification information indicates the number of workers. Also, in the work plan, time and group are associated with each other, and by storing group information indicating the members of a group (not shown) in the pre-information storage unit 15 in advance, the number of people scheduled to enter may be grasped using the work plan and the group information.

[0020] Returning to the description of FIG. 1. The communication unit 11 communicates with other devices including the card reader 2, the camera 3, and the opening / closing control device 4. Specifically, when the communication unit 11 receives the ID number read by the card reader 2 from the card reader 2, it outputs the ID number to the authentication unit 12. Also, when the communication unit 11 receives the image captured by the camera 3 from the camera 3, it outputs the image to the number confirmation unit 13. Also, when the communication unit 11 receives the control signal transmitted from the authentication unit 12 to the opening / closing control device 4, it transmits the control signal to the opening / closing control device 4.

[0021] The authentication unit 12 determines whether authentication is successful or not based on whether the ID number, which is the authentication information received from the card reader 2 provided at the entrance and reads the authentication information, matches the registered ID number included in the ID card information. Specifically, when the authentication unit 12 receives the ID number read by the card reader 2 from the communication unit 11, it performs the authentication process by determining whether the received ID number is the ID number stored in the ID card information. The authentication process is a process of determining whether the ID number read by the card reader 2 is the registered ID number, that is, the ID number included in the ID card information. When the received ID number is the ID number stored in the ID card information, the authentication unit 12 determines that authentication is successful, and when the received ID number is not the ID number stored in the ID card information, the authentication unit 12 determines that authentication has failed. When the authentication unit 12 determines that authentication is successful, it notifies the personnel confirmation unit 13 to that effect. Also, when the authentication unit 12 determines that authentication has failed, it notifies the alarm unit 14 to that effect.

[0022] When the personnel confirmation unit 13 determines that authentication is successful by the authentication unit 12, it detects the number of people present in the defined area in front of the entrance, and when the detected number of people matches the work plan, it controls to open the entrance, and when the detected number of people is more than the number of people planned in the work plan, it controls to close the entrance.

[0023] Specifically, when the number confirmation unit 13 is notified by the authentication unit 12 that the authentication is successful, it detects the people in the image by performing image processing on the image received from the communication unit 11, and obtains the number of detected people. Any method can be used to detect the people in the image. For example, pattern recognition, machine learning, etc. can be used. The number confirmation unit 13 determines whether the number of people obtained from the image matches the work plan. Specifically, the number confirmation unit 13 determines whether the number of people obtained from the image matches the planned number of people to enter at the time corresponding to the current time in the work plan. When the number confirmation unit 13 determines that the number of people obtained from the image matches the work plan, it determines that the operator is correct, and transmits a control signal instructing the opening of the door 6 to the opening and closing control device 4 via the communication unit 11. When the number confirmation unit 13 determines that the number of people obtained from the image does not match the work plan, it notifies the alarm unit 14 to that effect and does not transmit a control signal instructing the opening of the door 6. Since the door 6 is closed in the initial state, when it is determined that the number of people obtained from the image does not match the work plan, the door 6 remains closed.

[0024] In addition, when the number confirmation unit 13 determines that the number of people to enter at the time corresponding to the current time in the work plan matches, it treats the planned number of people to enter in the same time period as zero. For example, when the work plan is the work plan shown in FIG. 4, at 8:02, if the number confirmation unit 13 receives an image from the communication unit 11 and the number of detected people in the image is 3, since it matches the work plan, it is determined that the operator is correct. After that, the planned number of people to enter in the time period from 8:00 to 8:30 is treated as zero. Therefore, at 8:15, even if the number confirmation unit 13 receives an image from the communication unit 11 and the number of detected people in the image is 3, it determines that it does not match the work plan. Also, when the number of detected people is not constant with the work plan, the number confirmation unit 13 also notifies the alarm unit 14 whether the number of detected people is more or less than the work plan.

[0025] When the alarm unit 14 is notified that the authentication has failed by the authentication unit 12, or when it is notified that the number of detected people determined by the number confirmation unit 13 does not match the work plan, the alarm unit 14 issues an alarm. The alarm is issued, for example, by voice, the ringing of a buzzer, or the like. Further, the alarm unit 14 may display the alarm on a display unit (not shown). Further, the alarm unit 14 may transmit a signal indicating the alarm to a terminal (not shown) held by the supervisor via the communication unit 11 and control the terminal so that the alarm is issued by voice from the terminal. Further, the alarm unit 14 may change the content of the alarm depending on whether the number of detected people is more or less than the work plan. For example, when the number of detected people is more than the work plan, an alarm indicating a high degree of urgency is issued, and when the number of detected people is less than the work plan, an alarm prompting attention is issued.

[0026] Next, the operation of the present embodiment will be described. FIG. 5 is a flowchart showing an example of the entry monitoring processing procedure in the entry monitoring device 1 of the present embodiment. As shown in FIG. 5, the entry monitoring device 1 determines whether or not an ID number has been received (step S1). Specifically, the authentication unit 12 determines whether or not an ID number has been received from the card reader 2 via the communication unit 11.

[0027] If the ID number has not been received (step S1 No), the entry monitoring device 1 repeats step S1. If the ID number has been received (step S1 Yes), the entry monitoring device 1 determines whether or not there is a registration of the ID number (step S2). Specifically, the authentication unit 12 determines whether authentication is successful or failed based on whether the ID number received from the card reader 2 is included in the ID card information stored in the pre-information storage unit 15, and notifies the number confirmation unit 13 of the authentication result.

[0028] If there is a registration of the ID number (step S2 Yes), the entry monitoring device 1 detects the number of people in front of the entrance (step S3). Specifically, when the number confirmation unit 13 receives a notification of successful authentication from the authentication unit 12, the number confirmation unit 13 processes the image received from the communication unit 11 to detect the people in the image and obtains the number of detected people.

[0029] Next, the entrance monitoring device 1 determines whether the detected number of people matches the planned number of people (step S4). Specifically, the number-of-people confirmation unit 13 determines whether the detected number of people matches the planned number of people for the time period corresponding to the current time in the work plan stored in the pre-information storage unit 15.

[0030] If it is determined that the detected number of people matches the planned number of people (step S4 Yes), the entrance monitoring device 1 opens the entrance door 6 (step S5) and ends the process. After the process ends, the process shown in FIG. 5 is performed again.

[0031] If there is no registration of the ID number (step S2 No), the entrance monitoring device 1 closes the door 6 and issues an alarm (step S7) and ends the process. Specifically, when there is no registration of the ID number, the authentication unit 12 notifies the alarm unit 14 of authentication failure, and the alarm unit 14 issues an alarm. As described above, since the door 6 is closed in the initial state, when it is determined as No in step S2, the authentication unit 12 may not send a control signal to the opening / closing control device 4, or may send a control signal indicating to close the door 6.

[0032] If the detected number of people does not match the planned number of people (step S4 No), the entrance monitoring device 1 determines whether the detected number of people is more than the planned number of people (step S6). Specifically, in step S6, the number-of-people confirmation unit 13 determines whether the detected number of people is more than the planned number of people for the time period corresponding to the current time in the work plan stored in the pre-information storage unit 15.

[0033] When the number of detected people is greater than the planned number of people (Yes in step S6), the process proceeds to step S7. When the number of detected people is not greater than the planned number of people, that is, when the number of detected people is less than the planned number of people (No in step S6), the entrance monitoring device 1 issues an alarm (step S8) and proceeds with the process to step S5. Specifically, in step S8, the number confirmation unit 13 notifies the alarm unit 14 that the number of detected people is less than the work plan, and the alarm unit 14 issues an alarm to prompt attention. Note that a lower limit value of the number of people is set in advance, and when the number of detected people is below the lower limit value of the planned number of people, the number confirmation unit 13 may proceed with the process to step S7. The lower limit value is, for example, 2 people, but is not limited to this.

[0034] Through the above processing, when the ID number read by the card reader 2 matches the registered ID number and the number of people detected from the image of the camera 3 is less than or equal to the planned number of people, the entrance monitoring device 1 opens the door 6. On the other hand, when the ID number read by the card reader 2 does not match the registered ID number, and when the ID number read by the card reader 2 matches the registered ID number and the number of people detected from the image of the camera 3 is greater than the planned number of people, the entrance monitoring device 1 keeps the door 6 closed without opening it and issues an alarm. Thereby, it is possible to suppress an outsider from entering the security area. In the example described above, when the ID number read by the card reader 2 matches the registered ID number and the number of people detected from the image of the camera 3 is greater than the planned number of people, the door 6 is kept closed and an alarm is issued. However, the present invention is not limited to this, and the door 6 may be controlled to open and an alarm may be issued.

[0035] In the above example, the entrance monitoring device 1 performs authentication processing using the ID number read from the ID card. However, the present invention is not limited to this, and other authentication methods such as face authentication and fingerprint authentication may be used. When face authentication is used, a camera is provided instead of the card reader 2, and the pre-information storage unit 15 stores in advance, as registration information, image data of the faces of the workers permitted to enter the security area. When a fingerprint authentication reader for reading fingerprints is provided instead of the card reader 2, the pre-information storage unit 15 stores in advance, as registration information, fingerprint data of the workers permitted to enter the security area. As described above, the ID number information is an example of the registration information that is registered in advance for authentication, the authentication information reading device may be a camera, a fingerprint authentication reader, or the like, and the registration information and the authentication method are not limited to the example using the ID number.

[0036] Here, the hardware configuration of the entrance monitoring device 1 will be described. The entrance monitoring device 1 of the present embodiment functions as the entrance monitoring device 1 when a computer system executes an entrance monitoring program, which is a program describing the processing in the entrance monitoring device 1, on the computer system. FIG. 6 is a diagram showing a configuration example of a computer system that realizes the entrance monitoring device 1 of the present embodiment. As shown in FIG. 6, this computer system includes a control unit 101, an input unit 102, a storage unit 103, a display unit 104, a communication unit 105, and an output unit 106, which are connected via a system bus 107.

[0037] In FIG. 6, the control unit 101 is a processor such as a CPU (Central Processing Unit), and executes an entrance monitoring program in which the processing in the entrance monitoring device 1 of the present embodiment is described. The input unit 102 is composed of, for example, a keyboard, a mouse, etc., and is used by the user of the computer system to input various kinds of information. The storage unit 103 includes various memories such as a RAM (Random Access Memory) and a ROM (Read Only Memory), and a storage device such as a hard disk, and stores the program to be executed by the control unit 101, the necessary data obtained in the process of processing, etc. Further, the storage unit 103 is also used as a temporary storage area for the program. The display unit 104 is composed of a display, an LCD (Liquid Crystal Display Panel), etc., and displays various screens for the user of the computer system. The communication unit 105 is a receiver and a transmitter that perform communication processing. The output unit 106 is a speaker, etc. Note that FIG. 6 is an example, and the configuration of the computer system is not limited to the example of FIG. 6.

[0038] Here, an operation example of the computer system until the entrance monitoring program of the present embodiment becomes executable will be described. In a computer system having the above-described configuration, for example, the entrance monitoring program is installed in the storage unit 103 from a CD-ROM or a DVD-ROM set in a CD (Compact Disc)-ROM drive or a DVD (Digital Versatile Disc)-ROM drive (not shown). Then, when the entrance monitoring program is executed, the entrance monitoring program read from the storage unit 103 is stored in the storage unit 103. In this state, the control unit 101 executes the processing as the entrance monitoring device 1 of the present embodiment according to the program stored in the storage unit 103.

[0039] In the above description, a program that describes the processing in the entrance monitoring device 1 is provided using a CD-ROM or a DVD-ROM as a recording medium. However, this is not the only option. Depending on the configuration of the computer system, the capacity of the program to be provided, etc., for example, a program provided via a transmission medium such as the Internet via the communication unit 105 may be used instead.

[0040] The authentication unit 12 and the number confirmation unit 13 shown in FIG. 1 are realized by executing an entrance monitoring program stored in the storage unit 103 shown in FIG. 6 by the control unit 101 shown in FIG. 6. The alarm unit 14 shown in FIG. 1 may be realized by the output unit 106, or may be realized by a voice generation device connected to the computer system. Also, when the alarm unit 14 displays an alarm, the display unit 104 is also used for the realization of the alarm unit 14. The pre-information storage unit 15 shown in FIG. 1 is a part of the storage unit 103 shown in FIG. 6. The communication unit 11 shown in FIG. 1 is realized by the communication unit 105 shown in FIG. 6. The entrance monitoring device 1 may be realized by a plurality of computer systems. For example, the entrance monitoring device 1 may be realized by a cloud computer system.

[0041] For example, the entrance monitoring program of the present embodiment causes the entrance monitoring device 1 to execute an authentication step of determining whether authentication is successful based on whether the authentication information received from an authentication information reading device provided at the entrance and reading the authentication information matches the authentication information included in the registration information. Further, when it is determined that authentication is successful in the authentication step, the entrance monitoring program causes the entrance monitoring device 1 to detect the number of people present in a predetermined area in front of the entrance, and to control to open the entrance when the detected number of people matches the work plan, and to control to close the entrance when the detected number of people is more than the number of people planned in the work plan.

[0042] As described above, when the entry monitoring device 1 of the present embodiment successfully authenticates using an ID card, it detects the number of people in front of the entrance using the image acquired by the camera 3, and opens the door 6 when the detected number matches the planned number of people in the work plan, and issues an alarm when the detected number is greater than the planned number of people. This can suppress outsiders from entering the security area.

[0043] <Modification Example> In the above example, an example in which ID cards are assigned in groups was shown, but the present invention is not limited to this example, and all workers may hold ID cards. In this case, the ID card information includes ID numbers corresponding to all the people permitted to enter the security area, that is, all the workers who can enter the security area. FIG. 7 is a flowchart showing an example of the entry monitoring process procedure according to a modification example of the present embodiment. Step S1 shown in FIG. 7 is the same as step S1 shown in FIG. 5.

[0044] However, since all the workers entering the security area hold their ID cards up to the card reader 2, the card reader 2 continuously transmits a plurality of ID numbers to the entry monitoring device 1. After step S1, the entry monitoring device 1 determines whether or not all the ID card numbers are registered (step S2a). Specifically, when the authentication unit 12 receives an ID card number via the communication unit 11, it waits for the reception of the next ID card number for a certain period of time. The certain period of time corresponds to the time required for all the members of the group to hold up their ID cards. For example, it is about 10 seconds to several tens of seconds, but it is not limited to this, and it may be appropriately set according to the maximum number of members of the group. The authentication unit 12 determines whether or not the ID card numbers received within the certain period of time are included in the ID number information stored in the pre-information storage unit 15 respectively. If all of the ID card numbers received within the certain period of time are included in the ID number information, the authentication unit 12 determines Yes in step S2a. If at least one of the ID card numbers received within the certain period of time is not included in the ID number information, the authentication unit 12 determines No in step S2a.

[0045] After step S3, it is the same as the example shown in FIG. 5. In addition, when the answer is Yes in step S2a, the authentication unit 12 notifies the number of received ID card numbers to the number confirmation unit 13. After step S3, the number confirmation unit 13 compares the number of received ID card numbers with the planned number of people. If the number of ID card numbers matches the planned number of people, it proceeds to step S5. If the number of ID card numbers is more than the planned number of people, it proceeds to step S7. If the number of ID card numbers is less than the planned number of people, it may proceed to step S8.

[0046] Embodiment 2. FIG. 8 is a diagram showing a configuration example of an entrance monitoring system according to Embodiment 2. In the entrance monitoring system of this embodiment, terminals 8-1 to 8-n (n is an integer of 2 or more) are added to the entrance monitoring system of Embodiment 1, and an entrance monitoring device 1a is provided instead of the entrance monitoring device 1. Components having the same functions as those in Embodiment 1 are denoted by the same reference numerals as in Embodiment 1, and redundant descriptions are omitted. Hereinafter, differences from Embodiment 1 will be mainly described.

[0047] In this embodiment, all workers permitted to enter the security area hold one terminal corresponding to each of terminals 8-1 to 8-n. Terminals 8-1 to 8-n are position measurement devices capable of detecting their own positions, and are carried by persons permitted to enter the security area. Examples of the position measurement method include a method using a beacon and a method of obtaining a position based on radio wave intensity using a plurality of radio base stations, but it is not limited thereto, and any method may be used. In addition, terminals 8-1 to 8-n may be dedicated terminals of the entrance monitoring system, may be terminals introduced for other purposes, or may be general-purpose terminals such as smartphones installed with application software for realizing the processing of this embodiment. Terminals 8-1 to 8-n periodically transmit position information indicating their own positions to the entrance monitoring device 1a, for example. Hereinafter, when terminals 8-1 to 8-n are shown without being individually distinguished, they are also referred to as terminal 8.

[0048] The entry monitoring device 1a has a position determination unit 16 added to the entry monitoring device 1 of the first embodiment, and includes a number confirmation unit 13a instead of the number confirmation unit 13. Further, in the pre-information storage unit 15 of the entry monitoring device 1a, in addition to the ID card information and the work plan, terminal information is further stored as pre-information.

[0049] FIG. 9 is a diagram showing an example of the terminal information of this embodiment. As shown in FIG. 9, the terminal information includes terminal identification information which is the identification information of each of the terminals 8-1 to 8-n, and an example of the operator's identification information corresponding thereto, the operator name. Note that the terminal information only needs to include the terminal identification information and does not necessarily include the operator name.

[0050] FIG. 10 is a schematic diagram showing an installation example of the card reader 2, the camera 3, and the terminals 8-1 to 8-3 of this embodiment. In the example shown in FIG. 10, similar to the example shown in FIG. 2, the card reader 2 is provided near the door 6, and the ID card 5 assigned in group units is held by the group representative or the like. Further, each of the operators 7-1 to 7-3 carries the terminals 8-1 to 8-3. Thus, if the positions of the terminals 8-1 to 8-3 are known, the positions of the operators 7-1 to 7-3 can be known.

[0051] In this embodiment, when there is an instruction for position detection from the number confirmation unit 13a, the position determination unit 16 shown in FIG. 8 holds the latest position information among the position information received from the terminals 8-1 to 8-n via the communication unit 11, and uses the latest position information to specify the position of each operator. Specifically, the position determination unit 16 holds entrance position information indicating a predetermined area in front of the door 6 which is the entrance. When there is an instruction for position detection from the number confirmation unit 13a, it uses the position information received from the held terminals 8-1 to 8-n to obtain the number of terminals 8-1 to 8-n existing in the above-mentioned predetermined area, and notifies the obtained number to the number confirmation unit 13a. The number confirmation unit 13a controls to open the door 6 when the number it detects matches the number calculated by the position determination unit 16 and the detected number matches the work plan.

[0052] FIG. 11 is a flowchart showing an example of the entry monitoring process procedure in the entry monitoring device 1a of the present embodiment. Steps S1 to S3 are the same as those in the example shown in FIG. 5. After step S3, the entry monitoring device 1a determines whether the position information of the terminal 8 matches the detected number of people (step S11). Specifically, after step S3, the number confirmation unit 13a instructs the position determination unit 16 to detect the position. When the position determination unit 16 receives an instruction to detect the position from the number confirmation unit 13a, it obtains the number of terminals 8-1 to 8-n existing around the entrance using the position information received from the terminals 8-1 to 8-n it holds, and notifies the obtained number to the number confirmation unit 13a. Then, when the number of people detected from the image matches the number notified from the position determination unit 16, the number confirmation unit 13a determines that the position information of the terminal 8 and the detected number of people are consistent.

[0053] When the entry monitoring device 1a determines that the position information of the terminal 8 and the detected number of people are consistent (step S11 Yes), it proceeds to the process of step S4. The processes after step S4 are the same as those in Embodiment 1. When the entry monitoring device 1a determines that the position information of the terminal 8 and the detected number of people are inconsistent (step S11 No), it proceeds to the process of step S7. The operations of the present embodiment other than those described above are the same as those in Embodiment 1.

[0054] The hardware configuration of the entry monitoring device 1a of the present embodiment is the same as the hardware configuration of the entry monitoring device 1 in Embodiment 1, and the entry monitoring device 1a is realized by, for example, the computer system shown in FIG. 6. The position determination unit 16 is realized by the entry monitoring program stored in the storage unit 103 shown in FIG. 6 being executed by the control unit 101 shown in FIG. 6.

[0055] In the above-described example, the number of people near the entrance calculated using the position information was compared with the number of people detected from the image to confirm consistency. However, this is not the only case. It is also possible to confirm whether the operation plan is consistent by determining whether the workers planned in the operation plan are present around the entrance. In this case, as described above, include the worker name in the terminal information. Note that, as described in Embodiment 1, other information for identifying the worker may be used instead of the worker name. Also, in the operation plan, list all the worker names scheduled to enter at each time. Alternatively, the operation plan may include the group identification information as shown in FIG. 3, and the group information indicating the members of each group may be held in the pre-information storage unit 15. Then, instead of the step S11 shown in FIG. 11, the position determination unit 16 determines whether all the workers scheduled to enter at the current time in the operation plan are present near the entrance. Specifically, the position determination unit 16 extracts the worker names scheduled to enter at the current time in the operation plan, and acquires the terminal identification information corresponding to the extracted worker names from the terminal information. Then, the position determination unit 16 extracts the latest position information corresponding to the acquired terminal identification information, and uses the extracted position information and the entrance position information to determine whether the terminal 8 corresponding to the worker scheduled to enter at the current time in the operation plan is present near the entrance, thereby determining whether all the workers scheduled to enter at the current time in the operation plan are present near the entrance. If the determination is Yes, the process proceeds to step S4. If the determination is No, the process proceeds to step S7.

[0056] As described above, in this embodiment, similar to Embodiment 1, when the authentication using the ID card is successful, the number of people in front of the entrance is detected using the image acquired by the camera 3, and it is determined whether the detected number of people is consistent with the position information of the terminal 8 carried by the worker. As a result, the same effect as in Embodiment 1 can be obtained, and it is possible to determine whether the number of people in front of the entrance calculated from the position information of the terminal 8 matches the number of people detected from the image. Therefore, an alarm can be issued when there is an outsider who does not hold the terminal 8 among the people captured in the image.

[0057] Embodiment 3 FIG. 12 is a diagram showing a configuration example of the entrance monitoring system according to Embodiment 3. The entrance monitoring system of this embodiment includes an entrance monitoring device 1b instead of the entrance monitoring device 1a of Embodiment 2. Components having the same functions as those in Embodiments 1 and 2 are denoted by the same reference numerals as those in Embodiment 2, and redundant descriptions are omitted. Hereinafter, differences from Embodiments 1 and 2 will be mainly described.

[0058] An abnormality determination unit 17 is added to the entrance monitoring device 1b of the entrance monitoring device 1a in Embodiment 2. The abnormality determination unit 17 detects the presence or absence of an abnormality such as a suspicious act by performing image processing on the image received from the camera 3 via the communication unit 11. The entrance monitoring device 1b issues an alarm when an abnormality is determined by the abnormality determination unit 17. A suspicious act is, for example, a behavior of looking around furtively, a sudden dash, or possession or removal of dangerous goods. In this embodiment, the camera 3 images a predetermined area in front of the entrance. The camera 3 is installed at a plurality of locations, and images not only the above-mentioned predetermined area but also a plurality of locations. An alarm may be issued when a suspicious act is detected at any of the plurality of locations.

[0059] The abnormality determination process by the abnormality determination unit 17 in this embodiment is performed in parallel with the processes after step S2a shown in FIG. 7 when the entrance monitoring device 1b receives the ID card number. Further, it may be performed periodically even when the ID card number is not received.

[0060] Any method can be used to detect suspicious behavior from an image. For example, machine learning can be used. The machine learning may be supervised learning using a neural network or other methods. The abnormality determination unit 17 generates a learned model in advance by learning a large number of images and the actions of the captured persons to determine whether there is suspicious behavior, and holds the learned model. Then, the abnormality determination unit 17 determines the presence or absence of suspicious behavior by inputting the camera image, which is the image received from the camera 3 via the communication unit 11, into the learned model. That is, the abnormality determination unit 17 determines the presence or absence of abnormality using the learned model generated by machine learning for determining the presence or absence of suspicious behavior from the image. Generally, since suspicious behavior is detected using temporal changes, the abnormality determination unit 17 holds camera images for a certain period in the past and performs abnormality determination using camera images for a certain period.

[0061] Instead of determining the presence or absence of suspicious behavior, an abnormality score indicating the degree of abnormality may be calculated step by step. In this case, when generating the learned model, the abnormality score and the image are associated and learned. Thereby, the abnormality score can be obtained by inputting the image into the learned model. The abnormality score may be determined in any way. For example, it is classified into four levels of 0, 1, 2, and 3 in ascending order of the degree of abnormality. The abnormality score 0 is associated with the case where no suspicious behavior is detected, the abnormality score 1 is associated with an action such as looking around, the abnormality score 2 is associated with a sudden start of running, and the abnormality score 3 is associated with the possession or taking away of dangerous items. The entrance monitoring device 1b can enable the monitor to grasp the urgency by changing the content of the alarm for each abnormality score.

[0062] Figure 13 is a flowchart showing an example of the abnormal determination processing procedure of the present embodiment. As shown in Figure 13, the abnormality determination unit 17 determines whether a camera image has been received (step S21). If a camera image has not been received (step S21 No), the abnormality determination unit 17 repeats step S21. If a camera image has been received (step S21 Yes), the abnormality determination unit 17 performs an abnormality determination process (step S22). The abnormality determination process is performed using, for example, a learned model as described above.

[0063] If the abnormality determination unit 17 determines that there is an abnormality by the abnormality determination process (step S23 Yes), it notifies the alarm unit 14 to that effect, and the alarm unit 14 issues an alarm (step S24), and the process ends. As described above, when an abnormality score is calculated, the alarm may be changed according to the abnormality score. If the abnormality determination unit 17 determines that there is no abnormality by the abnormality determination process (step S23 No), the process ends. The operations of the present embodiment other than those described above are the same as those of Embodiment 2.

[0064] When the abnormality determination process is carried out in parallel with the processes after step S2a when the entrance monitoring device 1b receives the ID card number, the entrance monitoring device 1b may control the alarm and the opening and closing of the door 6 by combining each determination shown in Figure 11 and the abnormality determination process. For example, when an abnormality with an abnormality score of 1 is detected in the abnormality determination process, the entrance monitoring device 1b issues an alarm when it is determined that any of steps S2, S11, and S4 is No. On the other hand, when an abnormality with an abnormality score of 2 or more is detected in the abnormality determination process, the entrance monitoring device 1b issues an alarm even when it is determined that any of steps S2, S11, and S4 is Yes.

[0065] The hardware configuration of the entry monitoring device 1b in this embodiment is the same as that of the entry monitoring device 1 in Embodiment 1, and the entry monitoring device 1b is realized by, for example, the computer system shown in FIG. 6. The abnormality determination unit 17 is realized by the entry monitoring program stored in the storage unit 103 shown in FIG. 6 being executed by the control unit 101 shown in FIG. 6. Further, the abnormality determination unit 17 holds past camera images using the storage unit 103.

[0066] In the above example, an example of adding the abnormality determination unit 17 to the entry monitoring device 1a in Embodiment 2 has been described. However, the abnormality determination unit 17 may be added to the entry monitoring device 1 shown in FIG. 1 of Embodiment 1 or the entry monitoring device 1 of the modified example, and the same abnormality determination process may be performed.

[0067] As described above, in this embodiment, in addition to the operations of Embodiment 2, by detecting suspicious actions using camera images, the same effects as those of Embodiment 2 can be obtained, and the possibility of detecting suspicious persons can be increased.

[0068] The configurations shown in the above embodiments are examples, and it is possible to combine them with other known technologies, combine the embodiments with each other, or omit or change a part of the configuration without departing from the gist.

Description of Reference Numerals

[0069] 1, 1a, 1b Entry monitoring device, 2 Card reader, 3 Camera, 4 Opening / closing control device, 8-1 to 8-n Terminals, 11 Communication unit, 12 Authentication unit, 13, 13a Number confirmation unit, 14 Alarm unit, 15 Pre-information storage unit, 16 Position determination unit, 17 Abnormality determination unit.

Claims

1. An admission monitoring device that monitors the admission to a management area where the people permitted to enter are managed by predetermined registration information and the number of people entering through the entrance at one time is predetermined by a work plan, a pre-information storage unit that stores the work plan and the registration information, an authentication unit that determines whether authentication is successful based on whether the authentication information received from an authentication information reading device provided at the entrance and reads the authentication information matches the authentication information included in the registration information, a number confirmation unit that performs a detection process of detecting the number of people present in a predetermined area in front of the entrance when it is determined by the authentication unit that authentication is successful, comprising: the work plan includes information indicating the planned number of admissions, which is the number of people scheduled to enter the management area for each predetermined unit of time, the number confirmation unit controls to open the entrance when the number detected by the detection process matches the planned number of admissions corresponding to the current time in the work plan, and controls to close the entrance when the number detected by the detection process is more than the planned number of admissions corresponding to the current time in the work plan, the registration information includes authentication information corresponding to all the people permitted to enter the management area, the authentication information reading device acquires the authentication information for each person, the authentication unit determines that authentication is successful when all the authentication information received from the authentication information reading device within a certain period of time matches the authentication information included in the registration information. The admission monitoring device is characterized by this.

2. The admission monitoring device according to claim 1, wherein the number confirmation unit detects the number of people present in the predetermined area using an image captured by a camera that captures the predetermined area.

3. The registered information includes authentication information for each group composed of a plurality of people who enter the management area through the entrance at one time. The authentication unit determines whether authentication is successful based on whether the authentication information received from the authentication information reading device matches the authentication information for each group included in the registered information. The entrance monitoring device according to claim 1 or 2, characterized in that.

4. The authentication information reading device is a device that reads the authentication information from a magnetic card or a card equipped with an integrated circuit. The authentication unit determines whether authentication is successful based on whether the value of the authentication information received from the authentication information reading device matches the authentication information included in the registered information. The entrance monitoring device according to any one of claims 1 to 3, characterized in that.

5. The authentication information reading device is a camera that captures an image. The authentication unit determines whether authentication is successful by face authentication using the image received from the authentication information reading device. The entrance monitoring device according to any one of claims 1 to 3, characterized in that.

6. The authentication information reading device is a device that reads fingerprints. The authentication unit determines whether authentication is successful by fingerprint authentication using the data indicating the fingerprints received from the authentication information reading device. The entrance monitoring device according to any one of claims 1 to 3, characterized in that.

7. A position determination unit that calculates the number of people present in the defined area using the position information indicating the position of the terminal received from the terminal carried by a person permitted to enter the management area. provided with The number confirmation unit controls to open the entrance when the number of people detected by the detection process matches the number of people calculated by the position determination unit, and the detected number of people matches the planned number of entrances corresponding to the current time in the work plan. The entrance monitoring device according to any one of claims 1 to 6, characterized in that.

8. An alarm unit that issues an alarm when it is determined that the number of people detected by the number-of-people confirmation unit is greater than the number of people planned in the work plan. The entrance monitoring device according to any one of claims 1 to 7, comprising:

9. An abnormality determination unit that determines the presence or absence of an abnormality using an image captured by a camera that captures the defined area. comprising: The alarm unit of the entrance monitoring device according to claim 8, wherein the alarm unit issues an alarm when the abnormality determination unit determines that there is an abnormality.

10. The abnormality determination unit of the entrance monitoring device according to claim 9, wherein the abnormality determination unit determines the presence or absence of an abnormality using a learned model generated by machine learning for determining the presence or absence of suspicious behavior from an image.

11. An entrance monitoring system that manages people permitted to enter according to predetermined registration information and monitors the number of people entering a management area defined in advance by a work plan, one by one, through an entrance, comprising: An entrance monitoring device; An authentication information reading device provided at the entrance for reading authentication information and transmitting it to the entrance monitoring device. comprising: The entrance monitoring device includes: A pre-information storage unit that stores the work plan and the registration information; An authentication unit that determines whether authentication is successful based on whether the authentication information received from the authentication information reading device matches the authentication information included in the registration information; A number-of-people confirmation unit that performs a detection process of detecting the number of people present in a defined area in front of the entrance when it is determined by the authentication unit that authentication is successful. comprising: The work plan includes information indicating the planned number of entrances, which is the number of people scheduled to enter the management area per defined unit time. When the number of people detected by the above-mentioned number confirmation unit matches the planned number of people to enter at the current time in the above-mentioned work plan, it controls to open the entrance, and when the number of people detected by the above-mentioned detection process is more than the planned number of people to enter at the current time in the above-mentioned work plan, it controls to close the entrance. The above-mentioned registered information includes authentication information corresponding to all people who are permitted to enter the above-mentioned management area. The above-mentioned authentication information reading device acquires the above-mentioned authentication information for each person. The above-mentioned authentication unit determines that authentication is successful when all the authentication information received from the above-mentioned authentication information reading device within a certain time period matches the authentication information included in the above-mentioned registered information. The entrance monitoring system is characterized by this.

12. A camera that images the above-mentioned defined area and transmits the captured image to the above-mentioned entrance monitoring device. It is equipped with The above-mentioned number confirmation unit detects the number of people present in the above-mentioned defined area using the above-mentioned image received from the above-mentioned camera. The entrance monitoring system according to claim 11 is characterized by this.

13. A plurality of terminals carried by the people permitted to enter the above-mentioned management area respectively, which obtain their own positions and transmit position information indicating the obtained positions to the above-mentioned entrance monitoring device. It is equipped with The above-mentioned entrance monitoring device A position determination unit that calculates the number of people present in the above-mentioned defined area using the above-mentioned positions received from the above-mentioned terminals. It is equipped with The above-mentioned number confirmation unit controls to open the entrance when the number of people detected by the above-mentioned detection process matches the number calculated by the above-mentioned position determination unit, and the detected number of people matches the planned number of people to enter at the current time in the above-mentioned work plan. The entrance monitoring system according to claim 11 or 12 is characterized by this.

14. An admission monitoring device that monitors the admission to a management area where the people permitted to enter are managed by predetermined registration information and the number of people entering through the entrance at one time is determined in advance by a work plan. A storage step of storing the work plan and the registration information in a pre-information storage unit. An authentication step of determining whether authentication is successful based on whether the authentication information received from an authentication information reading device provided at the entrance and reading the authentication information matches the authentication information included in the registration information. A number confirmation step of performing a detection process of detecting the number of people present in a predetermined area in front of the entrance when it is determined that authentication is successful in the authentication step. A control step of performing a control process of controlling the entrance. To execute, The work plan includes information indicating the planned number of admissions, which is the number of people scheduled to enter the management area for each predetermined unit of time. The control process controls to open the entrance when the number of people detected by the detection process matches the planned number of admissions corresponding to the current time in the work plan, and controls to close the entrance when the number of people detected by the detection process is more than the planned number of admissions corresponding to the current time in the work plan. The registration information includes authentication information corresponding to all the people permitted to enter the management area. The authentication information reading device acquires the authentication information for each person. In the authentication step, it is characterized in that when all the authentication information received from the authentication information reading device within a certain time matches the authentication information included in the registration information, it is determined that authentication is successful. An admission monitoring program.

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