JP2022137959A - Entrance monitoring device, entrance monitoring system and entrance monitoring program - Google Patents

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

The present disclosure relates to an entrance monitoring device, an entrance monitoring system, and an entrance monitoring program for monitoring entry into a security area.

There is a method of using an ID (IDentifier) card as a method of monitoring entry into a security area, which is an area where only predetermined persons can enter. In this method, the electronic lock of the door is unlocked when information read from the ID card by a card reader provided near the entrance door of the security area matches pre-registered information.

When an ID card is used, only a person authorized to enter the security area, ie, a person holding an ID card in which information is registered in advance, can unlock the door. Japanese Patent Laid-Open No. 2002-200000 discloses a technique for managing the unlocking of a door using an ID card, capturing an image of a room that is a security area, analyzing the captured image of the room, and issuing an alarm when suspicious behavior is detected. disclosed.

JP 2019-96179 A

However, although the technology described in Patent Document 1 can detect suspicious behavior in the room, it is possible that an outsider, who is not a person who is permitted to enter the security area, enters the security area. cannot be suppressed.

The present disclosure has been made in view of the above, and an object of the present disclosure is to obtain an entrance monitoring apparatus that can prevent outsiders from entering a security area.

In order to solve the above-described problems and achieve the purpose, the entrance monitoring device according to the present disclosure manages the number of people who are permitted to enter according to predetermined registration information, and monitors the number of people who enter through the entrance at one time. is an entrance monitoring device that monitors entry into a management area predetermined by a work plan, wherein authentication information received from an authentication information reader that is provided at the entrance and reads authentication information and authentication information included in registration information an authentication unit that determines whether or not authentication is successful based on whether or not they match. The entrance monitoring device further detects the number of people present in a predetermined area in front of the entrance when the authentication unit determines that the authentication is successful, and opens the entrance when the detected number of people matches the work plan. and a number-of-people confirmation unit that controls to close the entrance when the detected number of people is larger than the number of people planned in the work plan.

According to the present disclosure, it is possible to prevent outsiders from entering the security area.

1 is a diagram showing a configuration example of an entrance monitoring system according to a first embodiment; FIG. Schematic diagram showing an installation example of a card reader and a camera according to Embodiment 1 A diagram showing an example of ID card information according to Embodiment 1 A diagram showing an example of a work plan according to the first embodiment Flowchart showing an example of an entrance monitoring processing procedure in the entrance monitoring device of Embodiment 1 1 is a diagram showing a configuration example of a computer system that implements an entrance monitoring device according to Embodiment 1; FIG. Flowchart showing an example of an entrance monitoring processing procedure according to a modification of the first embodiment FIG. 11 is a diagram showing a configuration example of an entrance monitoring system according to a second embodiment; A diagram showing an example of terminal information according to Embodiment 2 Schematic diagram showing an installation example of a card reader, a camera, and a terminal according to Embodiment 2 Flowchart showing an example of an entrance monitoring processing procedure in the entrance monitoring device of Embodiment 2 FIG. 11 is a diagram showing a configuration example of an entrance monitoring system according to a third embodiment; Flowchart showing an example of an abnormality determination processing procedure according to the third embodiment

An entrance monitoring device, an entrance monitoring system, and an entrance monitoring program according to embodiments will be described below in detail with reference to the drawings.

Embodiment 1.
FIG. 1 is a diagram illustrating a configuration example of an entrance monitoring system according to a first embodiment; The entrance monitoring system of this embodiment includes an entrance monitoring device 1 , a card reader 2 , a camera 3 and an opening/closing control device 4 . The entry monitoring system of this embodiment monitors entry into the security area. The security area of this embodiment is an area where conditions are set for the number of people who can enter at the same time, such as an area where operations involving operations that may lead to serious consequences are performed, an area where confidential information is stored, etc. This is a management area in which persons permitted to enter are managed according to predetermined registration information, and the number of people entering through the entrance at one time is predetermined according to a work plan. For example, the security area of this embodiment is a nuclear power plant, but the security area of this embodiment is not limited to this.

The card reader 2 is provided near the entrance of the security area such as a door or a gate, reads 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 description, the term "provided at an entrance" includes the case of being provided at a door, gate, or the like, which serves as an entrance, and the case of being provided in the vicinity of these. The card reader 2 is an example of an authentication information reader that reads authentication information. The ID card is a magnetic card, a card with a contact or non-contact integrated circuit (IC (Integrated Circuit) card), etc., and contains identification information associated with a person who is permitted to enter the security area. is written. The opening/closing control device 4 controls opening/closing of partitions such as doors and gates provided at the entrance of the security area. The camera 3 is installed at a position where it can capture an image of a predetermined area in front of the entrance of the security area, such as a door or a gate. do. A plurality of cameras 3 may be provided. The entrance monitoring device 1 is set in, for example, a management center, etc., and transmits a control signal to the opening/closing control device 4 based on the identification information received from the card reader 2 and the image received from the camera 3, thereby monitoring the entrance of the security area. Controls the opening and closing of doors, gates, etc.

When entering the security area of the present embodiment, it is stipulated that a group consisting of a plurality of workers must enter. Members of the group are determined in advance. An ID card is assigned to each group. Therefore, the ID card information, which is an example of the registration information, includes an ID number for each group composed of a plurality of people who pass through the entrance at once to enter the security area.

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, a card reader 2 is provided near the door 6 which is the entrance to the security area, and a camera 3 is installed above so as to capture an image of the area in front of the door 6 . In the example shown in FIG. 2, workers 7-1 to 7-3 are about to enter the security area, and are about to hold the ID card 5 held by the worker 7-1 over the card reader 2. FIG. 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. An example in which a door 6 is provided at the entrance of the security area will be described below.

Returning to the description of FIG. As shown in FIG. 1, the entrance monitoring device 1 of this embodiment includes a communication section 11, an authentication section 12, a number confirmation section 13, an alarm section 14, and a prior information storage section 15. FIG.

The advance information storage unit 15 stores various kinds of predetermined advance information. The advance information includes ID card information indicating correspondence between an ID number, which is identification information written in the ID card, and a worker, and a work plan. The ID number is an example of authentication information used for authentication, and the ID card information is an example of registration information including authentication information. The prior information may be set by an administrator or the like in the entrance monitoring device 1 by input means (not shown in FIG. 1) and stored in the prior information storage unit 15, or may be transmitted to the entrance monitoring device 1 from another device. may be stored in the prior information storage unit 15 via the communication unit 11 .

FIG. 3 is a diagram showing an example of ID card information according to this embodiment. As described above, in this embodiment, ID cards are assigned to each group. Each group is assigned one or more ID cards. As shown in FIG. 3, the ID card information stores the ID number, which is the identification information written in the ID card, and the worker name, which is the identification information of the leader of each group, in association with each other. . Here, in the ID card information, an example in which the ID number and the identification information of the leader of the group are associated is shown, but the ID number and the worker names of all the workers constituting each group correspond to each other. may be attached. Moreover, the identification information of the worker is not limited to the name of the worker, and may be another identification information such as an employee number or an employee number.

FIG. 4 is a diagram showing an example of a work plan according to this embodiment. As shown in FIG. 4, the work plan consists of the expected number of workers who are scheduled to enter the security area at each date and time, and the group (group identification information) that performs the work. are stored in association with each other. In FIG. 4, the time at which the number of people scheduled to enter is described as "-" indicates that there are no workers scheduled to enter. The work plan shown in FIG. 4 is written every 30 minutes. It shows that there is no worker scheduled to enter until. In addition, in FIG. 4, the time is shown in units of 30 minutes, but it may be set more finely.

Also, in the example shown in FIG. 4, the work plan includes the group that performs the work. All you have to do is Therefore, if the work plan includes the expected number of visitors, the identification information of the group may not be included. Further, the work plan may store other information indicating the expected number of visitors instead of the expected number of visitors. 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 identification information indicates the number of workers. In addition, by storing group information indicating members of a group (not shown) in the advance information storage unit 15 in which times and groups are associated in the work plan, the entry schedule is determined using the work plan and the group information. You may enable it to grasp the number of people.

Returning to the description of FIG. The communication unit 11 communicates with other devices such as 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 , the communication unit 11 outputs the ID number to the authentication unit 12 . Further, when receiving an image captured by the camera 3 from the camera 3 , the communication unit 11 outputs the image to the number-of-people confirmation unit 13 . Further, upon receiving a control signal to be transmitted from the authentication unit 12 to the switching control device 4 , the communication unit 11 transmits the control signal to the switching control device 4 .

The authentication unit 12 performs authentication based on whether or not the ID number, which is the authentication information received from the card reader 2 provided at the entrance to read the authentication information, matches the registered ID number included in the ID card information. Determine success or failure. Specifically, when the authentication unit 12 receives the ID number read by the card reader 2 from the communication unit 11, the authentication unit 12 determines whether or not the received ID number is the ID number stored in the ID card information. Perform authentication processing. The authentication process is a process of determining whether the ID number read by the card reader 2 is a registered ID number, that is, whether it is an ID number included in the ID card information. If the received ID number is the ID number stored in the ID card information, the authentication unit 12 determines that the authentication is successful, and if the received ID number is not the ID number stored in the ID card information, the authentication fails. I judge. When the authentication unit 12 determines that the authentication is successful, the authentication unit 12 notifies the number-of-persons confirmation unit 13 to that effect. Further, when the authentication unit 12 determines that the authentication has failed, the authentication unit 12 notifies the alarm unit 14 to that effect.

The number-of-people confirmation unit 13 detects the number of people present in a predetermined area in front of the entrance when the authentication unit 12 determines that the authentication is successful, and opens the entrance when the detected number of people matches the work plan. If the detected number of people exceeds the number of people planned in the work plan, the entrance is controlled to close.

Specifically, when the number-of-people confirmation unit 13 is notified by the authentication unit 12 that the authentication has been successful, it detects the persons in the image by performing image processing on the image received from the communication unit 11, and detects the detected persons. find the number of people Any method can be used to detect a person in an image, for example, pattern recognition, machine learning, or the like can be used. The number confirmation unit 13 determines whether or not the number of people obtained from the image matches the work plan. More specifically, the number-of-people checking unit 13 determines whether the number of people obtained from the image matches the number of people scheduled to enter at the time corresponding to the current time in the work plan. When the number of workers confirmation unit 13 determines that the number of workers obtained from the image matches the work plan, it determines that the workers are correct, and opens the door 6 to the opening/closing control device 4 via the communication unit 11. Send a control signal instructing When the number confirmation part 13 judges that the number of people obtained from the image does not match the work plan, it notifies the warning part 14 of the fact and does not transmit the control signal instructing to open the door 6.例文帳に追加Since the door 6 is closed in the initial state, the door 6 remains closed when it is determined that the number of people obtained from the image does not match the work plan.

If the number of persons confirming unit 13 determines that the number of persons expected to enter at the time corresponding to the current time in the work plan matches, the number of persons expected to enter at the same time slot is treated as zero. For example, when the work plan is the work plan shown in FIG. 4, the number-of-persons confirmation unit 13 receives an image from the communication unit 11 at 8:02, and the number of people detected from the image is 3. , matches the work plan, so it is determined that the worker is correct. After that, the number of prospective visitors during the time period from 8:00 to 8:30 is treated as zero. Therefore, at 8:15, the number-of-persons confirmation unit 13 receives an image from the communication unit 11 and determines that the number of persons detected from the image is 3, but does not match the work plan. In addition, when the detected number of people is not consistent with the work plan, the number-of-people confirmation unit 13 also notifies the alarm unit 14 of whether the number of detected people is greater or less than the work plan.

When the alarm unit 14 is notified by the authentication unit 12 that authentication has failed, and when it is notified by the number confirmation unit 13 that the detected number of people does not match the work plan, issue an alarm. The warning is issued, for example, by sound, buzzer sound, or the like. Also, the alarm unit 14 may display an alarm on a display unit (not shown). Further, the alarm unit 14 may transmit a signal indicating an alarm to a terminal (not shown) held by the surveillance staff via the communication unit 11 and control the terminal so that an alarm is issued by voice from the terminal. In addition, the warning unit 14 may change the content of the warning depending on whether the number of detected people is greater than or less than the work plan. For example, if the number of detected people is more than the work plan, an alarm indicating that the urgency is high is issued, and if the number of detected people is less than the work plan, an alarm to call attention is issued. .

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

If the ID number has not been received (step S1 No), the entrance monitoring device 1 repeats step S1. When the ID number is received (step S1 Yes), the entrance monitoring device 1 determines whether or not the ID number is registered (step S2). Specifically, the authentication unit 12 determines whether or not the ID number received from the card reader 2 is included in the ID card information stored in the preliminary information storage unit 15, and determines whether the authentication has succeeded or failed. The result is notified to the number confirmation unit 13 .

If the ID number is registered (step S2 Yes), the entrance monitoring device 1 detects the number of people in front of the entrance (step S3). Specifically, when the number-of-people checking unit 13 receives a notification of successful authentication from the authentication unit 12, it detects people in the image by performing image processing on the image received from the communication unit 11, and calculates the number of detected people. Ask.

Next, the entrance monitoring device 1 determines whether or not the detected number of people matches the planned number of people (step S4). Specifically, the number-of-persons confirmation unit 13 determines whether or not the detected number of persons matches the planned number of persons for the time zone corresponding to the current time in the work plan stored in the advance information storage unit 15 .

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 terminates the process. After the processing ends, the processing shown in FIG. 5 is performed again.

If the ID number is not registered (step S2 No), the entrance monitoring device 1 closes the door 6, issues an alarm (step S7), and terminates the process. Specifically, if the ID number is not registered, the authentication unit 12 notifies the alarm unit 14 of authentication failure, and the alarm unit 14 issues an alarm. Note that, as described above, the door 6 is closed in the initial state, so if it is determined No in step S2, the authentication unit 12 does not need to transmit the control signal to the opening/closing control device 4, and the door 6 is closed. may send a control signal indicating that the

If the detected number of people does not match the planned number of people (step S4 No), the entrance monitoring device 1 determines whether or not the detected number of people is greater than the planned number of people (step S6). Specifically, in step S6, the number-of-persons confirmation unit 13 determines whether or not the detected number of persons is greater than the planned number of persons for the time slot corresponding to the current time in the work plan stored in the prior information storage unit 15. do.

If the detected number of people is greater than the planned number of people (step S6 Yes), the process proceeds to step S7. If the detected number of people is not greater than the planned number of people, that is, if the detected number of people is less than the planned number of people (step S6 No), the entrance monitoring device 1 issues an alarm (step S8), and the process proceeds to step S8. Proceed to S5. Specifically, in step S8, the number-of-persons confirmation unit 13 notifies the alarm unit 14 that the detected number of persons is less than the work plan, and the alarm unit 14 issues an alarm to call attention. A lower limit of the number of people may be set, and the number of people checking unit 13 may advance the process to step S7 when the detected number of people is less than the planned lower limit of the number of people. The lower limit is, for example, two, but is not limited to this.

With the above processing, the entrance monitoring device 1, 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 equal to or less than the planned number of people, Open door 6. On the other hand, if the ID number read by the card reader 2 does not match the registered ID number, or if the ID number read by the card reader 2 matches the registered ID number, the entrance monitoring device 1 detects the camera 3 When the number of people detected from the image of (1) is larger than the planned number of people, the door 6 is kept closed without being opened, and an alarm is issued. This can prevent outsiders from entering the security area. In the example described above, the door 6 is closed 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 larger than the planned number of people. Although the door 6 is left open and an alarm is issued, the present invention is not limited to this, and the alarm may be issued by controlling the door 6 to be opened.

In the example described above, the entrance monitoring device 1 performs the authentication process using the ID number read from the ID card, but 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 image data of the faces of workers who are permitted to enter the security area are stored in advance in the advance information storage unit 15 as registration information. be done. A fingerprint authentication reader for reading fingerprints is provided in place of the card reader 2, and fingerprint data of workers who are permitted to enter the security area are stored in advance in a preliminary information storage unit 15 as registration information. Thus, the ID number information is an example of registration information registered in advance for authentication, and the authentication information reader may be a camera, a fingerprint authentication reader, or the like, and the registration information and the authentication method are ID It is not limited to examples using numbers.

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 by executing 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 implements the entrance monitoring device 1 of this embodiment. As shown in FIG. 6, this computer system comprises a control section 101, an input section 102, a storage section 103, a display section 104, a communication section 105 and an output section 106, which are connected via a system bus 107. there is

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

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

In the above description, a program describing the processing in the entrance monitoring device 1 is provided using a CD-ROM or DVD-ROM as a recording medium. For example, a program provided by a transmission medium such as the Internet via the communication unit 105 may be used depending on the capacity of the computer.

Authentication unit 12 and number-of-persons confirmation unit 13 shown in FIG. 1 are implemented by execution of an entrance monitoring program stored in storage unit 103 shown in FIG. 6 by control unit 101 shown in FIG. The alarm unit 14 shown in FIG. 1 may be realized by the output unit 106, or may be realized by an audio generator connected to a computer system. Moreover, when the alarm unit 14 displays an alarm, the display unit 104 is also used to realize the alarm unit 14 . Prior information storage unit 15 shown in FIG. 1 is a part of storage unit 103 shown in FIG. The communication unit 11 shown in FIG. 1 is implemented by the communication unit 105 shown in FIG. 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.

For example, the entrance monitoring program according to the present embodiment provides the entrance monitoring device 1 with the authentication information received from the authentication information reading device provided at the entrance to read the authentication information, and whether or not the authentication information included in the registration information matches the authentication information. An authentication step is executed for judging whether or not the authentication is successful based on the above. In addition, the entrance monitoring program detects the number of people present in a predetermined area in front of the entrance when the authentication step determines that the authentication is successful, and opens the entrance when the detected number of people matches the work plan. The entrance monitoring device 1 is caused to execute a number-of-persons confirmation step of controlling to close the entrance when the detected number of persons exceeds the number of persons planned in the work plan.

As described above, the entrance monitoring device 1 of the present embodiment detects the number of people in front of the entrance using the image acquired by the camera 3 when the authentication by the ID card is successful, and detects the number of people detected. and the planned number of persons planned in the work plan, the door 6 is opened, and when the detected number of persons is larger than the planned number of persons, an alarm is issued. This can prevent outsiders from entering the security area.

<Modification>
Although the above example shows an example in which ID cards are assigned on a group-by-group basis, 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 persons permitted to enter the security area, that is, all workers who can enter the security area. FIG. 7 is a flow chart showing an example of an entrance monitoring processing procedure according to a modification of the present embodiment. Step S1 shown in FIG. 7 is the same as step S1 shown in FIG.

However, since all workers entering the security area hold their ID cards over the card reader 2, the card reader 2 continuously transmits a plurality of ID numbers to the entrance monitoring device 1. - 特許庁After step S1, the entrance monitoring device 1 determines whether or not the ID card numbers of all members are registered (step S2a). Specifically, when the authentication unit 12 receives the 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 fixed time corresponds to the time required for all the members of the group to hold their ID cards, for example, about 10 seconds to several tens of seconds, but it is not limited to this and can be set as appropriate depending on the maximum number of members of the group. good. The authentication unit 12 determines whether or not the ID card numbers received within a certain period of time are included in the ID number information stored in the advance information storage unit 15 . If all the ID card numbers received within the fixed time are included in the ID number information, the authentication unit 12 determines Yes in step S2a, and at least one of the ID card numbers received within the fixed time is an ID. If it is not included in the number information, No is determined in step S2a.

Step S3 and subsequent steps are the same as in the example shown in FIG. If Yes in step S2a, the authentication unit 12 notifies the number of ID card numbers received to the number of persons confirming unit 13, and the number of persons confirming unit 13 confirms the number of received ID card numbers and the plan after step S3. The number of people is compared, and if the number of ID card numbers and the planned number of people match, the process proceeds to step S5. If it is less, it may proceed to step S8.

Embodiment 2.
FIG. 8 is a diagram illustrating a configuration example of an entrance monitoring system according to a second embodiment; In the entrance monitoring system of the present embodiment, terminals 8-1 to 8-n (n is an integer equal to or greater than 2) are added to the entrance monitoring system of the first embodiment, and instead of the entrance monitoring device 1, an entrance monitoring device 1a is provided. Prepare. Components having functions similar to those of the first embodiment are denoted by the same reference numerals as those of the first embodiment, and overlapping descriptions are omitted. Differences from the first embodiment will be mainly described below.

In this embodiment, all workers who are permitted to enter the security area have one terminal corresponding to each of the terminals 8-1 to 8-n. Terminals 8-1 to 8-n are positioning devices capable of detecting their own positions, and are carried by persons authorized to enter the security area. Examples of the positioning method include a method using beacons, a method using a plurality of wireless base stations to determine the position based on radio wave intensity, and the like, but the method is not limited to these and any other method may be used. In addition, the terminals 8-1 to 8-n may be terminals dedicated to the entrance monitoring system, terminals introduced for other purposes, or general-purpose terminals such as smartphones. Application software for realizing the processing of this embodiment may be installed in the device. The terminals 8-1 to 8-n, for example, periodically transmit location information indicating their own locations to the entrance monitoring device 1a. Hereinafter, the terminals 8-1 to 8-n are also referred to as the terminal 8 when they are not distinguished individually.

The entrance monitoring apparatus 1a has a position determining section 16 added to the entrance monitoring apparatus 1 of the first embodiment, and includes a number checking section 13a instead of the number checking section 13. FIG. In addition to the ID card information and the work plan, terminal information is stored as advance information in the advance information storage unit 15 of the entrance monitoring device 1a.

FIG. 9 is a diagram showing an example of terminal information according to this embodiment. As shown in FIG. 9, the terminal information includes terminal identification information, which is identification information for each of the terminals 8-1 to 8-n, and a worker name, which is an example of corresponding worker identification information. Note that the terminal information may include the terminal identification information and may not include the worker name.

FIG. 10 is a schematic diagram showing an installation example of the card reader 2, camera 3 and terminals 8-1 to 8-3 of this embodiment. In the example shown in FIG. 10, similarly to the example shown in FIG. 2, the card reader 2 is provided near the door 6, and the group representative or the like holds the ID card 5 assigned to each group. there is The workers 7-1 to 7-3 carry terminals 8-1 to 8-3, respectively. Accordingly, if the positions of the terminals 8-1 to 8-3 are known, the positions of the workers 7-1 to 7-3 can be known.

In the present embodiment, the position determining unit 16 shown in FIG. 8 receives position detection instructions from the terminals 8-1 to 8-n via the communication unit 11 when the number-of-people checking unit 13a instructs position detection. Among the information, the latest position information is held, and the position of each worker is specified using the latest position information. Specifically, the position determination unit 16 holds entrance position information indicating a predetermined area in front of the door 6, which is the entrance, and holds the position detection instruction from the number of people confirmation unit 13a. Using the position information received from the terminals 8-1 to 8-n, the number of terminals 8-1 to 8-n existing in the above defined area is obtained, and the obtained number is notified to the number confirmation unit 13a. The number-of-people confirmation unit 13a controls the door 6 to be opened when the number of people detected by itself matches the number of people calculated by the position determination unit 16, and when the detected number of people matches the work plan.

FIG. 11 is a flow chart showing an example of an entrance monitoring processing procedure in the entrance monitoring device 1a of the present embodiment. Steps S1 to S3 are the same as the example shown in FIG. After step S3, the entrance monitoring device 1a determines whether or not the location information of the terminal 8 matches the detected number of people (step S11). Specifically, after step S3, the number-of-people checking unit 13a instructs the position determination unit 16 to detect the position. When the position detection unit 16 receives an instruction to detect the position from the number-of-people confirmation unit 13a, the position determination unit 16 uses the position information received from the terminals 8-1 to 8-n held to identify the terminals 8-1 existing around the entrance. to 8-n, and notifies the number confirmation unit 13a of the obtained number. When the number of people detected from the image matches the number of people notified from the position determination unit 16, the number of people checking unit 13a determines that the location information of the terminal 8 and the detected number of people match. do.

When the entrance monitoring device 1a determines that the location information of the terminal 8 matches the detected number of people (step S11 Yes), the process proceeds to step S4. The processing after step S4 is the same as in the first embodiment. When the entrance monitoring device 1a determines that the location information of the terminal 8 and the detected number of people do not match (step S11 No), the process proceeds to step S7. Operations of the present embodiment other than those described above are the same as those of the first embodiment.

The hardware configuration of the entrance monitoring device 1a of the present embodiment is the same as the hardware configuration of the entrance monitoring device 1 of the first embodiment, and the entrance monitoring device 1a is implemented by, for example, the computer system shown in FIG. . The position determination unit 16 is realized by executing the entrance monitoring program stored in the storage unit 103 shown in FIG. 6 by the control unit 101 shown in FIG.

In the above example, the number of people near the entrance calculated using the position information and the number of people detected from the image are compared to confirm consistency. Consistency with the work plan may be confirmed by determining whether or not the worker exists around the entrance. In this case, as described above, the terminal information includes the worker name. Note that, as described in the first embodiment, other information that identifies the worker may be used instead of the worker name. Also, in the work plan, all the names of workers scheduled to enter at each time are described. Alternatively, the work plan may include group identification information as shown in FIG. Then, instead of step S11 shown in FIG. 11, the position determination unit 16 determines whether or not all workers scheduled to enter at the current time in the work plan are present near the entrance. Specifically, the position determination unit 16 extracts the names of workers scheduled to enter at the current time in the work plan, and acquires 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 identify the work scheduled to be entered at the current time in the work plan. By judging whether or not terminals 8 corresponding to workers exist around the entrance, it is judged whether or not all workers scheduled to enter at the current time in the work plan exist near the entrance. . If this determination is Yes, the process proceeds to step S4, and if this determination is No, the process proceeds to step S7.

As described above, in the present embodiment, as in the first embodiment, when the authentication by the ID card is successful, the image acquired by the camera 3 is used to detect the number of people in front of the entrance, It is determined whether the number of detected people matches the position information of the terminal 8 carried by the worker. As a result, the same effect as in the first embodiment can be obtained, and it can be determined 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. An alarm can be issued when there is an outsider who does not hold the terminal 8 among the people who have visited.

Embodiment 3.
FIG. 12 is a diagram illustrating a configuration example of an entrance monitoring system according to a third embodiment; The entrance monitoring system of this embodiment includes an entrance monitoring device 1b instead of the entrance monitoring device 1a of the second embodiment. Components having the same functions as those of the first and second embodiments are denoted by the same reference numerals as those of the second embodiment, and overlapping descriptions are omitted. Differences from the first and second embodiments will be mainly described below.

The entrance monitoring device 1b has an abnormality determination unit 17 added to the entrance monitoring device 1a of the second embodiment. The abnormality determination unit 17 performs image processing on the image received from the camera 3 via the communication unit 11 to detect whether there is an abnormality such as suspicious behavior. The entrance monitoring device 1b issues an alarm when the abnormality determination unit 17 determines that there is an abnormality. Suspicious behavior includes, for example, a look around, a sudden start, possession or removal of a dangerous object, or the like. Note that, in this embodiment, the camera 3 captures an image of a predetermined area in front of the entrance. The cameras 3 may be installed at a plurality of locations to capture images of not only the defined area but also a plurality of locations, and an alarm may be issued when suspicious behavior is detected at any of the plurality of locations. .

The abnormality determination processing by the abnormality determination unit 17 of the present embodiment is performed in parallel with the processing after step S2a shown in FIG. 7 when the entrance monitoring device 1b receives the ID card number. Moreover, it may be performed periodically other than when the ID card number is received.

Any method may be used to detect suspicious behavior from an image, and for example, machine learning can be used. Machine learning may be supervised learning using a neural network, or other methods. The anomaly determination unit 17 learns in advance a large number of images and the behavior of the photographed person, generates a learned model for determining whether or not there is suspicious behavior, and holds the learned model. . Then, the abnormality determination unit 17 determines presence or absence of suspicious behavior by inputting camera images, which are images received from the camera 3 via the communication unit 11, to the learned model. That is, the abnormality determination unit 17 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. In addition, since suspicious behavior is generally detected using changes over time, the abnormality determination unit 17 stores camera images for a certain period of time in the past, and uses the camera images for a certain period of time to determine abnormality. implement.

Instead of determining the presence or absence of suspicious behavior, an abnormality degree score indicating the degree of abnormality in stages may be calculated. In this case, when the learned model is generated, the anomaly score and the image are learned in association with each other. As a result, the anomaly score can be obtained by inputting an image into the trained model. The anomaly score can be determined in any way, but for example, it is classified into four levels of 0, 1, 2, and 3 in descending order of the anomaly, and an anomaly score of 0 is used when no suspicious behavior is detected. , anomaly score 1 is associated with actions such as looking around, anomaly score 2 is associated with sudden running, etc., and anomaly score 3 is associated with possession or removal of dangerous objects, etc. . The entry monitoring device 1b changes the content of the warning for each abnormality score, so that the monitor can grasp the degree of urgency.

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

When the abnormality determination unit 17 determines that there is an abnormality in the abnormality determination process (Yes at step S23), the abnormality determination unit 17 notifies the alarm unit 14 of the fact, the alarm unit 14 issues an alarm (step S24), and the process ends. In addition, as described above, when the abnormality score is calculated, the warning may be changed according to the abnormality score. When the abnormality determination unit 17 determines that there is no abnormality in the abnormality determination process (step S23 No), the process ends. Operations of the present embodiment other than those described above are the same as those of the second embodiment.

When the abnormality determination process is performed in parallel with the processes after step S2a when the entrance monitoring device 1b receives the ID card number, the entrance monitoring device 1b performs each determination and the abnormality determination shown in FIG. The alarm and the opening/closing of the door 6 may be controlled by combining the processing with the processing. 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 all of steps S2, S11, and S4 are determined as No. On the other hand, if 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 if all of steps S2, S11, and S4 are determined as Yes.

The hardware configuration of the entrance monitoring device 1b of this embodiment is the same as the hardware configuration of the entrance monitoring device 1 of the first embodiment, and the entrance monitoring device 1b is realized by, for example, the computer system shown in FIG. . Abnormality determination unit 17 is implemented by execution of an entrance monitoring program stored in storage unit 103 shown in FIG. 6 by control unit 101 shown in FIG. Further, the abnormality determination unit 17 uses the storage unit 103 to hold past camera images.

In the above example, an example in which the abnormality determination unit 17 is added to the entrance monitoring device 1a of the second embodiment has been described. The abnormality determination unit 17 may be added to the device 1 to perform the abnormality determination process in the same manner.

As described above, in the present embodiment, in addition to the operation of the second embodiment, by detecting suspicious behavior using a camera image, the same effect as in the second embodiment can be obtained, and a suspicious person can be detected. It can increase the possibility of detection.

The configurations shown in the above embodiments are only examples, and can be combined with other known techniques, or can be combined with other embodiments, without departing from the scope of the invention. It is also possible to omit or change part of the configuration.

1, 1a, 1b entrance monitoring device, 2 card reader, 3 camera, 4 switching control device, 8-1 to 8-n terminal, 11 communication unit, 12 authentication unit, 13, 13a number confirmation unit, 14 alarm unit, 15 Prior information storage unit 16 position determination unit 17 abnormality determination unit.

Claims (15)

An entrance monitoring device for monitoring entry into a management area in which persons 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,
an authentication unit that determines whether or not the authentication is successful based on whether or not the authentication information received from an authentication information reading device provided at the entrance to read the authentication information matches the authentication information included in the registration information; ,
When the authentication unit determines that the authentication is successful, the number of people present in a predetermined area in front of the entrance is detected, and when the detected number of people matches the work plan, the entrance is controlled to open. and a number-of-persons confirmation unit that controls to close the entrance when the detected number of persons is larger than the number of persons planned in the work plan;
An entrance monitoring device comprising: 2. The entrance monitoring system according to claim 1, wherein the number-of-people checking unit detects the number of people existing in the determined area using an image captured by a camera that captures an image of the determined area. Device. The registration information includes authentication information for each group consisting of a plurality of people who enter the management area through the entrance at one time,
The authentication unit determines whether or not the authentication is successful based on whether or not the authentication information received from the authentication information reading device matches the authentication information for each group included in the registration information. 3. An entrance monitoring device according to claim 1 or 2. the registration information includes authentication information corresponding to each person permitted to enter the management area;
3. The authentication unit according to claim 1, wherein the authentication unit determines that the authentication is successful when all of the authentication information received from the authentication information reader matches the authentication information included in the registration information. entrance monitoring equipment. The authentication information reader is a device that reads the authentication information from a magnetic card or a card with an integrated circuit,
The authentication unit determines whether or not the authentication is successful based on whether or not the value of the authentication information received from the authentication information reading device matches the authentication information included in the registration information. An entrance monitoring device according to any one of claims 1 to 4. The authentication information reading device is a camera that captures an image,
5. The entrance monitoring apparatus according to any one of claims 1 to 4, wherein the authentication unit determines whether or not authentication is successful by face authentication using the image received from the authentication information reading device. . The authentication information reader is a device for reading fingerprints,
5. The authentication unit according to any one of claims 1 to 4, wherein the authentication unit determines whether or not authentication is successful by fingerprint authentication using data indicating the fingerprint received from the authentication information reading device. Entry monitoring device. a position determination unit that calculates the number of people present in the predetermined area by using position information indicating the position of the terminal received from the terminal carried by a person who is permitted to enter the management area;
with
The number-of-people confirmation unit controls the entrance to open when the detected number of people matches the number of people calculated by the position determination unit, and when the detected number of people matches the work plan. The entrance monitoring device according to any one of claims 1 to 7. 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 8, characterized by comprising: An abnormality determination unit that determines the presence or absence of an abnormality using an image captured by a camera that captures an image of the predetermined area;
with
10. The entrance monitoring apparatus according to claim 9, wherein the alarm unit issues an alarm when the abnormality determination unit determines that there is an abnormality. 11. The entrance monitoring apparatus according to claim 10, 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. An entrance monitoring system for monitoring entry into a management area in which persons permitted to enter are managed according to predetermined registration information and the number of people entering through the entrance at one time is predetermined according to a work plan,
an entrance monitoring device;
an authentication information reading device provided at the entrance to read authentication information and transmit it to the entrance monitoring device;
with
The entrance monitoring device
an authentication unit that determines whether or not authentication is successful based on whether or not the authentication information received from the authentication information reading device and the authentication information included in the registration information match;
When the authentication unit determines that the authentication is successful, the number of people present in a predetermined area in front of the entrance is detected, and when the detected number of people matches the work plan, the entrance is controlled to open. and a number-of-persons confirmation unit that controls to close the entrance when the detected number of persons is larger than the number of persons planned in the work plan;
An entrance monitoring system comprising: a camera that captures an image of the defined area and transmits the captured image to the entrance monitoring device;
with
13. The entrance monitoring system according to claim 12, wherein the number-of-people checking unit detects the number of people present in the predetermined area using the image received from the camera. a plurality of terminals each carried by a person who is permitted to enter the management area, determining its own position, and transmitting position information indicating the determined position to the entrance monitoring device;
with
The entrance monitoring device
a position determination unit that calculates the number of people present in the defined area using the position received from the terminal;
with
The number-of-people confirmation unit controls the entrance to open when the detected number of people matches the number of people calculated by the position determination unit, and when the detected number of people matches the work plan. 14. The entrance monitoring system according to claim 12 or 13. An entrance monitoring device for monitoring entry into a management area in which persons permitted to enter are managed according to predetermined registration information and the number of persons entering through the entrance at one time is predetermined according to a work plan,
an authentication step of determining whether or not the authentication is successful based on whether or not the authentication information received from an authentication information reading device provided at the entrance for reading the authentication information matches the authentication information included in the registration information; ,
When the authentication step determines that the authentication is successful, the number of people present in the predetermined area in front of the entrance is detected, and when the detected number of people matches the work plan, the entrance is controlled to open. and a number-of-persons confirmation step for controlling the entrance to be closed when the detected number of persons is larger than the number of persons planned in the work plan;
An entrance monitoring program characterized by executing

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