KR20090041619A - Access control system - Google Patents

Abstract

The present invention provides a method for detecting access information from an RFID card possessed by an accessor in order to maintain high security through a multi-step access process, a method of directly inputting a unique number consisting of encryption codes by an accessor who does not have an RFID card, and an accessor Access control that authenticates the person and detects the access state of the person using at least one method of detecting a face image of the person and a method of extracting a pattern of veins formed on the finger or palm of the human body using near infrared rays It is about the system.

Description

Access Control System {Entrance and Exit Control System}

The present invention provides a method for detecting access information from an RFID card possessed by an accessor in order to maintain high security through a multi-step access process, a method of directly inputting a unique number consisting of encryption codes by an accessor who does not have an RFID card, and an accessor Access control that authenticates the person and detects the access state of the person using at least one method of detecting a face image of the person and a method of extracting a pattern of veins formed on the finger or palm of the human body using near infrared rays It is about the system.

Different types of access control systems are used in a variety of fields, including homes, private businesses, laboratories, and companies.

Such access control systems include locks that require a certain type of key, card locks using contact cards that record personal information on magnetic scripes, or contactless cards of radio frequency induction. Various products are used, such as password locks that can be opened by entering a number.

However, such a labor management system is easy to lose keys, theft of a card, duplication, etc., and can be released from time to time regardless of the person carrying the release mechanism in an unfair manner, or whether or not the release mechanism is lost or stolen. There is a problem in that unauthorized entry by a similar mechanism cannot be controlled.

Accordingly, in recent years, the uniqueness of certain parts such as the human body's iris, voice, fingerprint, or face can be prevented in order to prevent such unauthorized access or to prevent a person from entering and removing security from having a separate key or card. Access control system using biometrics has been actively researched and put into practical use.

In particular, the access control system using fingerprint recognition is to install a fingerprint sensor on the door to collect the fingerprint of the accessor and determine whether the fingerprint is already registered to unlock or close the lock device. It is easy to install.

On the other hand, when higher security is required, there may be a case where a multi-stage accessor verification process is performed using various types of accessor recognition modules. For example, the access control system is configured by using a card recognition method and a blood flow authentication method.

However, even if the access system is doubled, the biometric module cannot recognize the outline of the iris and face clearly due to fingerprint damage or dust in places where dust is generated and fingerprint damage is high, such as construction sites. There is a problem that authentication of the accessor is not made smoothly.

Accordingly, the present invention provides a method of detecting access information from an RFID card possessed by an accessor to maintain high security through a multi-step access process, and a method of directly inputting a unique number consisting of an encryption code by an accessor who does not have an RFID card. And detecting a person's entry and exit status by using at least one method of detecting an image of a person's face and extracting a vein pattern formed on a finger or palm of a human body using near infrared rays. The purpose is to provide an access control system.

An access control system according to an embodiment of the present invention includes a database that stores a unique number consisting of personal information, hemostasis information, face image information, and encryption code of an accessor who has been granted access; A data input unit configured to receive at least one of the personal information and the unique number, the face image information, and the hemostatic flow information from an entrant; A comparison unit for comparing the personal information, the hemostatic flow information, the face image information, and the unique number transmitted from the data input unit with the personal information, the hemostatic flow information, the face image information, and the unique number stored in the database; And a control unit which opens and closes the door so that the accessor can enter or exit according to the comparison result transmitted from the comparison unit.

In the access control system according to an embodiment of the present invention, the database stores the personal information, hemostatic information, and face image information in an address number matching the unique number.

In the access control system according to an embodiment of the present invention, the data input unit stores personal information such as the name, affiliation, and access information of the person, the unique number, face image information, and hemostasis information through an RFID card possessed by the person. A card reader for detecting; A camera for photographing a face image of the person; And a hemostatic flow detector for detecting hemostatic flow information of the person.

In the access control system according to an embodiment of the present invention, the data input unit may include a touch screen that receives the unique number from the person; A camera for photographing a face image of the person; And a hemostatic flow detector for detecting hemostatic flow information of the person.

In the access control system according to an embodiment of the present invention, the data input unit stores personal information such as the name, affiliation, and access information of the person, the unique number, face image information, and hemostasis information through an RFID card possessed by the person. A card reader for detecting; A touch screen to receive the unique number from the person; A camera for photographing a face image of the person; And a hemostatic flow detector for detecting hemostatic flow information of the person.

In the access control system according to an embodiment of the present invention, the hemostasis detector sets a point on the finger of the person using near-infrared rays, photographs the vein pattern of the set point, and then separates the photographed vein pattern into at least two or more. Then, the presence or absence of the vein pattern in the separated region is set to 0 or 1 to detect the hemostatic flow information converted into digital data.

In the access control system according to an embodiment of the present invention, the hemostatic flow detector sets three points on the finger, and separates each of the four points to form four bits.

In the access control system according to an embodiment of the present invention, the comparison unit receives the hemostatic information stored in the address number corresponding to the unique number transmitted from the data input unit from the database and compares the hemostatic flow information transmitted from the data input unit. .

In the access control system according to an embodiment of the present invention, the comparison unit compares the accessor information in the order of the personal information, hemostatic information, and face image information.

In the access control system according to an embodiment of the present invention, the comparison unit compares the accessor information in the order of the unique number, hemostatic information, and face image information.

In the access control system according to an embodiment of the present invention, the comparison unit compares the access information in the order of the personal information, the unique number, the hemostatic information, and the face image information.

In the access control system according to an embodiment of the present invention, the comparison unit compares the unique number, personal information, hemostatic information, and face image information in order.

In the access control system according to an embodiment of the present invention, the personal information, hemostatic flow information, face image information, and a unique number stored in the database are transmitted to a system management server that controls and manages the access control system via the Internet and stores the information. do.

In the access control system according to an embodiment of the present invention, the control unit controls the camera to capture a video image around the access control system according to a control signal transmitted from the system management server.

In the access control system according to an embodiment of the present invention, the database includes labor management information such as the name, social security number, affiliation, and commute information of laborers working inside the construction site, and safety management information such as safety violation information and safety education status. And the logistics management information such as the departure time of the vehicle loaded with the construction material, the vehicle number, the quantity of the quantity of the factory export, such as the construction site entry and exit time, the vehicle number and quantity of the construction site, such as the amount of logistics management information is further stored.

The present invention not only improves complementarity through a multi-step entry process, but also has a low error rate on external wounds or dirt and is determined from the embryonic stage to detect the vein patterns that remain the same throughout the life, thereby authenticating the accessor. High security can be maintained compared to conventional access control systems using recognition.

In addition, the present invention, after storing the hemostasis information in the address number matching the unique number consisting of the encryption code, when the accessor uses the access control system detects the unique number and hemostasis information from the person and uniquely detected hemostasis information By comparing the hemostasis information stored in the address number matching the number, it is possible to reduce the time for comparing the hemostasis information, thereby reducing the authentication time of the visitor.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a view showing an access control system according to an embodiment of the present invention.

Referring to Figure 1, the access control system according to an embodiment of the present invention is an access control system consisting of personal information such as name, social security number, access information, hemostasis information, facial image information and encryption code Data base (hereinafter referred to as "DB") 30, a unique number is stored, a card reader 12 for detecting the person's personal information from the RFID card possessed by the person, the image for the face image of the person Provides the image of the person's face photographed by the camera 18 and the camera 18 to the person, or provides the person with characters such as the availability of the person and the warning of the user not allowed, and allows the person to directly enter a unique number. A touch screen 14 that provides a keypad to the user, a hemostatic flow detector 16 for detecting a hemostatic flow of a person, a camera 18, a card reader 12, The face image information, personal information, unique number, and hemostatic flow information transmitted from the tooth screen 14 and the hemostatic flow detector 16, and the face image information, personal information, unique number, and hemostatic flow information stored in the DB 30, respectively. Comparing the comparison unit 20, and the control unit 40 for opening and closing the door so that the entrance and exit according to the comparison result transmitted from the comparison unit 20.

In addition, the access control system according to an embodiment of the present invention is configured to further include a lamp (50) for informing the person of the authentication result, the lamp 50 is turned on or turned red lamp under the control of the control unit 40 Turn on the lamp to let people know if they have access.

The DB 30 includes personal information such as the name, social security number, affiliation, and access information of a person who is permitted to enter the place or building where the access control system 1 is installed, hemostasis information, face image information, and encryption code. An accessor's unique number (e.g., his / her number) is stored.

At this time, the personal information, hemostatic flow information, and face image information stored in the DB 30 are stored in address numbers corresponding to unique numbers formed of encryption codes, respectively.

When the access control system 1 is installed at the construction site, the DB 30 includes labor management information such as the name, resident registration number, affiliation, and commute information, safety violation information, safety training status, etc. Safety management information, such as the departure time of a vehicle loaded with construction materials, the number of factories to be taken out such as the vehicle number and quantity, and the logistics management information such as the status of the construction site to the construction site such as vehicle construction site entry and exit times, vehicle number and quantity Is stored more.

In this case, the information stored in the DB 30 may be stored in the system management server 60 managing the access control system 1 through the Internet.

The card reader 12 detects the personal information of the person from the RFID card and supplies it to the comparator 20 when the RFID card possessed by the person is attached to or separated from the predetermined distance.

That is, when the RFID card is located or attached to a certain distance away from the card reader 12, personal information such as name, resident registration number, belonging and access information, hemostasis information, face image information, and unique number stored in the RFID card are attached. The detected and detected personal information is supplied to the comparison unit 20.

At this time, when the access control system 1 is installed at the construction site, the card reader 12 is the name of the laborer who works inside the construction site stored in the RFID card when the RFID card is located or attached to a predetermined distance apart from the above-described information. Labor management information such as security, social security number, affiliation and commute information, safety violation information such as safety violation information, safety education status, factory departure status such as vehicle departure time, vehicle number, quantity, etc. Logistics management information such as construction site import status such as arrival and departure time, vehicle number and quantity is further detected and supplied to the comparison unit 20.

In addition, the card reader 12 transmits the presence or absence of the person to the control unit 40 when the RFID card is located or attached at a predetermined distance, that is, when the person is present in the access control system 1.

Accordingly, the controller 40 controls the camera 18 to photograph an image of a person's face.

In addition, the control unit 40 stores the face image information and the individual stored in the DB 30 by the comparison unit 20, the face image of the person photographed by the camera 18 and the personal information detected by the card reader 12. The comparison unit 20 is controlled to compare the information.

The camera 18 captures an image of the face of the person by the control signal transmitted from the controller 40 when the person is present in the access control system 1, and supplies the image to the comparator 20.

In addition, the camera 18 captures a video image around the access control system 1 according to a control signal provided from the controller 40 and transmits the image to the system management server 60 through the Internet.

Accordingly, the administrator who manages the access control system 1 can check the current situation of the access control system 1 by the video image transmitted from the camera 18.

The touch screen 14 includes a display unit and a keypad unit. The touch screen 14 includes face image information of the person photographed by the camera 18 through the display unit, availability of the person read by the comparator 20, and an entrance prohibition warning. The character is displayed to the person, and when the person does not have an RFID card, the character receives a unique number consisting of an encryption code, that is, a fourth number, from the person through the keypad and supplies it to the comparison unit 20.

When the accessor enters the fourth number on the keypad unit formed on the touch screen 14, the touch screen 14 transmits the presence or absence of the person to the control unit 40 to the access control system 1.

Accordingly, the controller 40 controls the camera 18 so that the camera 18 captures an image of the person's face.

Here, the camera 18 not only captures the face image of the person at the same time the card reader 12 recognizes the RFID card, but also captures the face image of the person at the same time the person enters a unique number.

The hemostatic flow detector 16 extracts a vein pattern of a person's finger or palm using near infrared rays, converts the extracted vein pattern into digital data, and transfers the hemostatic flow information converted into digital data to the comparison unit 20. .

The hemoglobin detector 16 uses the near infrared rays absorbed by hemoglobin in the blood. First, three points of a finger to be photographed with near infrared rays are designated, and then a vein image of the designated portion is photographed.

At this time, the point to be photographed in the near infrared can be set to a different number depending on the number of people using the access control system (1).

That is, the number of points to be photographed may be two, or may be four or more.

At this time, the number of points to be photographed is determined according to the number of users using the access control system 1.

Thereafter, the hemostatic flow detector 16 divides the photographed portions into four as shown in FIG. 2, and then sets the hemostatic flow information to a digital value by setting it to 0 or 1 depending on the presence of a vein pattern in the separated region.

That is, the hemostasis detector 16 is photographed by near-infrared light by setting 0 when there is a vein pattern in the separated part, 1 when no vein pattern exists, or 1 when no vein pattern exists. The vein image is converted into hemostatic flow information with digital values.

In this case, the photographed part may be separated into five or more and converted into digital values, and may be divided into three or less and converted into digital values.

Here, the photographed portion may be separated more as the degree of demand for complementaryness is increased, that is, the higher the degree of complementarity is required, and the smaller the number as the lower the degree of complementation is required.

The hemostatic flow information detected by the hemostatic flow detector 16 by this method is supplied to the comparison unit 20.

Since the camera 18, the card reader 12, the touch screen 14, and the hemostatic flow detector 16 described above receive the unique face image information, the personal information, the unique number consisting of the encryption code, and the hemostatic flow information of the person, the data It may be called the input unit 10.

The comparison unit 20 compares the person's personal information transmitted from the card reader 12 and the hemostatic flow information transmitted from the hemostatic flow detector 16 with the personal information and the hemostatic flow information stored in the DB 30 and then compares the result. Transmits to the control unit 40.

In addition, the comparison unit 20 stores the unique number consisting of an encryption code transmitted from the touch screen 14 and the hemostatic flow information transmitted from the hemostatic flow detector 16 and the unique number and the hemostatic flow information stored in the DB 30, respectively. After the comparison, the comparison result is transmitted to the controller 40.

The comparison unit 20 compares the face image information transmitted from the camera 18 and the hemostatic flow information transmitted from the hemostatic flow detector 16 with the face image information and the hemostatic flow information stored in the DB 30, respectively. It transmits to the control part 40.

That is, the comparison unit 20 may include at least one or more of personal information transmitted from the card reader 12, a unique number transmitted from the touch screen 14, and facial image information transmitted from the camera 18. Any one of the two information or all three information and the hemostatic flow information transmitted from the hemostatic flow detector 16 is compared with the information stored in the DB 30, and then the comparison result is transmitted to the control unit 40.

The comparison unit 20 stores the labor management information such as the laborer's name, resident registration number, affiliation, and commute information, safety management information such as safety violation information, safety education status, and construction materials from the card reader 12. The information transmitted when the logistics management information, such as departure time, vehicle number, quantity of shipment of the factory, the construction site entry and exit time of the vehicle, and the status of entry of the construction site, such as vehicle number and quantity, is transmitted, the unique number described above, At least one or more of the face image information, that is, any one of the three information or two or all three information and the hemostatic flow information transmitted from the hemostatic flow detector 16 is compared with the information stored in the DB (30) The result is transmitted to the controller 40.

To this end, the access control system according to an embodiment of the present invention is at least one or more of the card reader 12, the camera 18, the touch screen 14, that is, any one of the three devices or two devices or three devices It may be configured to include all.

The comparison unit 20 described above compares the data transmitted from the card reader 12, the hemostatic flow detector 16, the camera 18, and the touch screen 14.

That is, the comparison unit 20 compares the accessor information in the order of personal information-> hemostasis information-> face image information or compares the accessor information in the order of unique number-> hemostasis information-> face image information.

In addition, the comparison unit 20 compares the visitor information in the order of personal information-> unique number-> hemostasis information-> face image information or in the order of unique number-> personal information-> hemostasis information-> face image information do.

The comparison unit 20 supplies the hemostatic flow information stored in the address number corresponding to the unique number consisting of an encryption code transmitted from the card reader 12 or the touch screen 14 from the DB 30 when comparing the hemostatic flow information. Since it compares with the hemostatic flow information transmitted from the hemostatic flow detector 16, it is possible to reduce the comparison time of the hemostatic flow information.

The control unit 40 opens and closes the door so that the person can enter and exit according to the comparison result transmitted from the comparator 20.

In addition, the controller 40 controls the camera 18 so that the camera 18 can capture the image of the person's face when the person is present in the access control system 1, the system for managing the access control system (1) According to a control signal supplied from the management server 60, the camera 18 controls the camera 18 to take a picture around the entrance control system (1).

In addition, the controller 40 may compare the information transmitted from the card reader 12, the touch screen 14, the camera 18, the hemostasis detector 16 with the comparison unit 20 and the information stored in the DB 30. The system management server 60 for controlling the DB 30 so as to transmit the information stored in the DB 30 to the comparator 20, and the information stored in the DB 30 to manage the access control system 1. The DB 30 is controlled to be transmitted to.

In addition, the controller 40 may not only control the touch screen 14 to display whether or not an entrance and exit warning of the accessor is displayed on the touch screen 14 according to the comparison result transmitted from the comparator 20, as well as the comparison result. The lamp 50 is controlled so that the lamp 50 displays the result accordingly.

That is, the controller 40 controls the lamp 50 to turn on the blue lamp when the comparison results are the same, and controls the lamp 50 to turn on the red lamp when the comparison results are not the same.

The access control system according to the above-described embodiment of the present invention can be used not only in general homes, private businesses, research institutes and enterprises, but also in construction sites.

When the access control system according to the embodiment of the present invention is used at a construction site, laborers and managers working on the construction site can prevent false access such as proxy check or fraud check using an RFID card. In addition, even if laborers or drivers of materials-loaded vehicles enter and exit the construction site frequently, laborers and drivers check the hemostasis by comparing the extracted hemostasis information with the vein pattern photographed at any time. Even if waiting by the detector 16, it is possible to simply authenticate the entrance and exit.

As described above, the access control system of the present invention can not only increase the complementarity because it goes through a multi-stage access process, but also detects vein patterns that have a low error rate on external wounds or dirts and are determined from the embryonic stage and remain the same for life, thereby authenticating the person. Therefore, it is possible to maintain high security compared to the conventional access control system using fingerprint recognition or iris recognition.

In addition, the access control system according to an embodiment of the present invention stores the hemostasis information in the address number matching the unique number consisting of the encryption code and then detects the unique number and hemostasis information from the person when the accessor uses the access control system And by comparing the detected hemostasis information with the hemostasis information stored in the address number matching the unique number it is possible to reduce the time for comparing the hemostasis information to reduce the authentication time of the accessor.

1 is a view showing an access control system according to an embodiment of the present invention.

FIG. 2 is a diagram illustrating a method of converting a vein pattern photographed by the hemostatic flow detector shown in FIG. 1 into digital data.

<Explanation of symbols for the main parts of the drawings>

1: access control system 10: data input unit

12: card reader 14: touch screen

16: hemostatic detector 18: camera

20: comparison unit 30: DB

40: control unit 50: lamp

60: Systems Management Server

Claims (15)

A database storing a unique number consisting of personal information, hemostasis information, face image information, and an encryption code of an accessible person who has been granted access; A data input unit configured to receive at least one of the personal information and the unique number, the face image information, and the hemostatic flow information from an entrant; A comparison unit for comparing the personal information, the hemostatic flow information, the face image information, and the unique number transmitted from the data input unit with the personal information, the hemostatic flow information, the face image information, and the unique number stored in the database; And And a control unit which opens and closes the door so that the access person can enter or exit according to the comparison result transmitted from the comparison unit. The method of claim 1, The database is the access control system, characterized in that the personal information, hemostatic information and face image information is stored in an address number matching the unique number. The method of claim 1, The data input unit A card reader for detecting personal information such as the name, affiliation, and access information of the person, the unique number, face image information, and hemostatic information through the RFID card possessed by the person; A camera for photographing a face image of the person; And And a hemostasis detector for detecting hemostasis information of the person. The method of claim 1, The data input unit A touch screen to receive the unique number from the person; A camera for photographing a face image of the person; And And a hemostasis detector for detecting hemostasis information of the person. The method of claim 1, The data input unit A card reader for detecting personal information such as name, affiliation, and access information of the person, the unique number, face image information, and hemostatic information through the RFID card possessed by the person in the person; A touch screen to receive the unique number from the person; A camera for photographing a face image of the person; And And a hemostasis detector for detecting hemostasis information of the person. The method according to any one of claims 3 to 5, The hemostasis detector sets a point on the finger of the visitor using near infrared rays, photographs the vein pattern of the set point, and separates the photographed vein pattern into at least two, and separates the vein pattern of the vein pattern in the separated area. And setting the presence or absence to 0 or 1 to detect the hemostatic flow information converted into digital data. The method of claim 6, The hemostasis detector sets three points on the finger, and separates them into four to form four points each. The method of claim 1, And the comparison unit receives the hemostatic flow information stored in the address number corresponding to the unique number transmitted from the data input unit from the database and compares the hemostatic flow information transmitted from the data input unit with the hemostatic flow information transmitted from the data input unit. The method of claim 8, The comparison unit compares the access information in the order of the personal information, hemostatic information, face image information. The method of claim 8, The comparing unit compares the access information in the order of the unique number, hemostatic information, face image information. The method of claim 8, The comparison unit access control system, characterized in that to compare the access information in the order of the personal information, unique number, hemostasis information, face image information. The method of claim 8, The comparing unit compares the unique number, personal information, hemostatic flow information, face image information in order to compare the access control system. The method of claim 1, And said personal information, hemostatic flow information, face image information, and a unique number stored in said database are transmitted to a system management server for controlling and managing said access control system via the Internet. The method of claim 13, And the control unit controls the camera so that the camera captures a video image around the access control system according to a control signal transmitted from the system management server. The method of claim 1, The database includes labor management information such as the name, resident registration number, affiliation, and commute information of laborers working inside the construction site, safety management information such as safety violation information, safety training status, departure time of vehicles loaded with construction materials, Access control system, characterized in that the logistical management information, such as the status of carrying out the factory, such as vehicle number, quantity, and the construction site entry and exit time of the vehicle, the construction site, such as vehicle number and quantity.

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