CN112133011A - Public place face recognition access control system and access control method - Google Patents
Public place face recognition access control system and access control method Download PDFInfo
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- CN112133011A CN112133011A CN202011021932.6A CN202011021932A CN112133011A CN 112133011 A CN112133011 A CN 112133011A CN 202011021932 A CN202011021932 A CN 202011021932A CN 112133011 A CN112133011 A CN 112133011A
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/30—Individual registration on entry or exit not involving the use of a pass
- G07C9/32—Individual registration on entry or exit not involving the use of a pass in combination with an identity check
- G07C9/37—Individual registration on entry or exit not involving the use of a pass in combination with an identity check using biometric data, e.g. fingerprints, iris scans or voice recognition
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Abstract
The invention provides a face recognition access control system and a face recognition access control method in public places, and relates to the technical field of face recognition access control. The system comprises: the system comprises an access control main control system, a face information base, an identification waiting area, an identification area entrance barrier, an identification area exit barrier, a face identification camera and an advertisement player; the access control main control system is used for controlling whether the identification waiting area is started or not; under the condition that the recognition waiting area is started, the camera is used for carrying out real-time face recognition on face information of all flowing personnel in the recognition waiting area so as to obtain all the face information, and the recognition area outlet barrier is used for being opened or closed completely based on the face information. Through introducing discernment waiting area, can start discernment waiting area when the stream of people peak, all personnel that are in waiting area can be discerned by the camera simultaneously to all personnel open all export banisters simultaneously after all successfully matching with the information base, thereby improve the current efficiency of face identification entrance guard floodgate machine when the stream of people peak.
Description
Technical Field
The invention relates to the technical field of face recognition entrance guard, in particular to a face recognition entrance guard system and an entrance guard control method in public places.
Background
In recent years, with the progress of face recognition technology, face recognition access control systems are widely used in various fields. For example, in public occasions such as a railway station ticket checking hall, a playground ticket checking hall and the like, a face recognition entrance guard gate machine can be arranged at an entrance of an access passage so as to automatically recognize and verify the identity of a person to be entered. To improve the accuracy and efficiency of the verification, it is often required that the face of the person being verified be aligned with a camera on the access gate.
However, in a time period when the flow of people through the face recognition access gate is very large (peak of people flow), especially when a large number of old people or children exist, since the old people and the children are difficult to find the position of the camera on the access gate immediately, the passing of the camera is difficult to verify immediately, the recognition passing rate of the face recognition access gate is reduced, that is, the passing efficiency of the gate is reduced, and the people flow in the channel is easy to block.
Disclosure of Invention
The invention aims to provide a public face recognition access control system and an access control method aiming at the defects of the prior art, so as to solve the problem of low passing efficiency of a public face recognition access control gate in a people flow peak.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
in a first aspect, the present invention provides a public place face recognition access control system, configured to perform recognition control on a floating person who expects to enter a predetermined area, where the system includes: the system comprises an access control main control system, a face information base, recognition waiting areas, recognition area entrance barriers, recognition area exit barriers, face recognition cameras and an advertising machine, wherein each recognition area exit barrier is provided with a corresponding face recognition access control, and floating personnel can enter a preset area after passing through the recognition area entrance barriers, the recognition waiting areas and the recognition area exit barriers in sequence;
the entrance guard main control system is used for controlling whether the recognition waiting area is started or not according to a preset rule, and the preset rule is determined based on the people flow density of the flowing personnel expected to enter the preset area;
the face information base is used for storing face information of the floating personnel allowed to enter a preset area;
under the condition that the recognition waiting area is not started, all the recognition area entrance barriers are opened, and each recognition area exit barrier is opened or closed based on the face recognition results of the face recognition entrance guards arranged on the recognition area entrance barriers one by one;
the advertising machine comprises a face recognition camera, an advertising machine and an advertising machine, wherein the face recognition camera is used for counting all the flowing persons currently in the recognition waiting area in real time to obtain the information of the total number of persons, the face recognition camera is also used for simultaneously carrying out real-time face recognition on the face information of all the flowing persons currently in the recognition waiting area to obtain all the face recognition information, the advertising machine is used for generating prompt information based on all the face recognition information, a recognition area entrance barrier is used for being completely opened or completely closed based on the information of the total number of persons, and a recognition area exit barrier is used for being completely opened or completely closed based on all the face recognition information.
Optionally, under the condition that the entrance guard main control system controls not to start the recognition waiting area according to a preset rule, the face recognition camera stops working, all entrance gates of the recognition area are in an open state, all the floating personnel can reach the exit gates of the recognition area through the entrance gates of the recognition area and the recognition waiting area, then face recognition is carried out one by one through face recognition entrance gates arranged on the exit gates of each recognition area, and the corresponding gates are opened under the condition that face recognition information is successfully matched with face information in a face information base one by one, so that the floating personnel successfully matched with the face information are allowed to enter a preset area;
under the condition that an entrance guard main control system controls and starts a recognition waiting area according to a preset rule, face recognition entrance guards arranged on exit gates of all recognition areas stop working, when the total number of all flowing personnel currently in the recognition waiting area is smaller than a preset threshold value, entrance gates of the recognition areas are all opened to allow the flowing personnel outside the recognition waiting area to enter the recognition waiting area, when the total number of the flowing personnel is equal to or larger than the preset threshold value, the entrance gates of the recognition areas are all closed to prevent more flowing personnel from entering the recognition waiting area, and under the condition that all face recognition information of all the flowing personnel currently in the recognition waiting area, acquired by a face recognition camera, is successfully matched with the face information in a face information base, the exit gates of the recognition areas are all opened to allow the flowing personnel in the recognition waiting area to enter a preset area, and under the condition that face identification information which is not successfully matched with the face information in the face information base exists in all the face identification information acquired by the face identification camera, displaying the faces of the mobile personnel corresponding to the face identification information which is not successfully matched on the advertising machine, and simultaneously sending prompt tones by the advertising machine to remind a worker to guide the mobile personnel which is not successfully matched to leave the identification waiting area through other channels different from the exit barrier of the identification area.
Optionally, the other channel is a dedicated channel provided on one side of the identified waiting area and dedicated to guiding the unmatched successful migrant personnel away from the identified waiting area.
Optionally, when face identification information that is not successfully matched with the face information in the face information base exists in all the face identification information acquired by the face identification camera, the following operations are performed until a floating person who is not successfully matched leaves the identification waiting area: firstly, all the exit gates of the identification areas are closed, the face recognition access controls arranged on all the exit gates of the identification areas are started, and then each exit gate of the identification areas is opened or closed based on the face recognition results of the face recognition access controls arranged on each exit gate one by one.
Alternatively, if the maximum effective recognition distance of the face recognition camera is D meters and the viewing angle is r, the maximum length L of the recognition waiting area is D × sin (r) meters, and the maximum width W is D meters.
Optionally, in a case that the face recognition cameras have a 6mm lens and an angle of view of 60 °, one face recognition camera is respectively configured on each of the upper side and the lower side of the recognition waiting area to perform face recognition on the floating personnel in the recognition waiting area.
Optionally, the preset threshold Nmax is 5 × L × W.
Optionally, each identification area entrance gate is provided with a corresponding entrance guard with temperature measurement, the entrance guard with temperature measurement is used for automatically measuring the body temperature of the mobile personnel who enter the identification waiting area through the identification area entrance gate to obtain the body temperature of the mobile personnel, when the mobile personnel with the body temperature higher than the preset body temperature value are found, the identification area entrance gate corresponding to the mobile personnel is immediately closed, and meanwhile, the identification area entrance gate sends a prompt message.
Optionally, the advertising machine is a liquid crystal screen vertical advertising machine disposed at a side outside the recognition waiting area.
In a second aspect, the present invention provides a public place face recognition access control method, which is applied to the public place face recognition access control system according to the first aspect, and the method includes:
the entrance guard master control system controls whether to start the recognition waiting area or not according to a preset rule, and the preset rule is determined based on the people flow density of the flowing personnel expected to enter the preset area;
under the condition of starting the recognition waiting area, stopping the face recognition entrance guard arranged on each recognition area exit gate, simultaneously acquiring the face information and the headcount information of all the flowing persons currently in the recognition waiting area through a face recognition camera, fully opening or fully closing the recognition area entrance gates based on the headcount information, matching the acquired face information with the face information stored in a face information library, starting the face recognition entrance guard arranged on each recognition area exit gate when the unsuccessfully matched face information exists, opening or closing each recognition area exit gate based on the one-by-one face recognition result of the face recognition entrance guard arranged on each recognition area exit gate, displaying the unsuccessfully matched face information through an advertising machine, and stopping the face recognition entrance guard arranged on each recognition area exit gate when the acquired face information is fully matched, and the identification area exit barrier is fully opened;
and under the condition that the identification waiting area is not started, all the identification area entrance gates are opened, the face identification access control arranged on each identification area exit gate is started, and each identification area exit gate is opened or closed based on the face identification results of the face identification access control arranged on each identification area exit gate one by one.
The beneficial effects of the invention include:
the invention provides a face recognition access control system for public places, which comprises: the system comprises an access control main control system, a face information base, recognition waiting areas, recognition area entrance barriers, recognition area exit barriers, face recognition cameras and an advertising machine, wherein each recognition area exit barrier is provided with a corresponding face recognition access control, and floating personnel can enter a preset area after passing through the recognition area entrance barriers, the recognition waiting areas and the recognition area exit barriers in sequence; the entrance guard main control system is used for controlling whether the recognition waiting area is started or not according to a preset rule, and the preset rule is determined based on the people flow density of the flowing personnel expected to enter the preset area; the face information base is used for storing face information of the floating personnel allowed to enter a preset area; under the condition that the recognition waiting area is not started, all the recognition area entrance barriers are opened, and each recognition area exit barrier is opened or closed based on the face recognition results of the face recognition entrance guards arranged on the recognition area entrance barriers one by one; the advertising machine comprises a face recognition camera, an advertising machine and an advertising machine, wherein the face recognition camera is used for counting all the flowing persons currently in the recognition waiting area in real time to obtain the information of the total number of persons, the face recognition camera is also used for simultaneously carrying out real-time face recognition on the face information of all the flowing persons currently in the recognition waiting area to obtain all the face recognition information, the advertising machine is used for generating prompt information based on all the face recognition information, a recognition area entrance barrier is used for being completely opened or completely closed based on the information of the total number of persons, and a recognition area exit barrier is used for being completely opened or completely closed based on all the face recognition information. Through introducing the discernment waiting area in access control system, can launch discernment waiting area when the people flows the peak according to people flow density, all flow personnel that are in the discernment waiting area can be discerned by the face identification camera simultaneously to after all flow personnel all match successfully with the face information base, open all discernment district export banisters simultaneously, improved the current efficiency of face identification access control floodgate machine when the people flows the peak, reduced the risk that blocks up.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 shows a schematic structural diagram of a public place face recognition access control system provided by an embodiment of the invention;
fig. 2 shows a working flow chart of the public place face recognition access control system provided by the embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
When setting up face identification entrance guard's floodgate machine and verifying the personnel's identity that flows in public occasion, at the very big (the people flow peak) time quantum of the flow of people through face identification entrance guard's floodgate machine, especially when having a large amount of old man or children, because old man and children are difficult to find the camera position on the entrance guard's floodgate machine immediately, thereby be difficult to verify immediately and pass through, reduce face identification entrance guard's floodgate machine discernment through-put, thereby cause the passageway stream of people to block up easily. The invention provides a public place face recognition access control system and an access control method, aiming at solving the problem that the public place face recognition access control gate is low in passing efficiency in the peak of people flow.
Fig. 1 shows a schematic structural diagram of a public place face recognition access control system provided in an embodiment of the present invention, and as shown in fig. 1, the public place face recognition access control system provided in an embodiment of the present invention is used for performing recognition control on a floating person who desires to enter a predetermined area, and the system includes: the system comprises an entrance guard main control system, a face information base, an identification waiting area 101, an identification area entrance barrier 102, an identification area exit barrier 103, a face recognition camera 104 and an advertisement machine 105, wherein each identification area exit barrier 103 is provided with a corresponding face recognition entrance guard, and flowing personnel can enter a predetermined area after passing through the identification area entrance barrier 102, the identification waiting area 101 and the identification area exit barrier 103 in sequence. As shown in fig. 1, the predetermined area is on the right side of the identification area exit barrier 103. The arrows in fig. 1 indicate the flow direction of the flowing person who desires to enter the predetermined area. The identification waiting area 101 is generally surrounded by an enclosure 110 to define the range of motion of the mobile personnel entering the identification area entrance barrier 102. The access control system and the face information base are usually installed in a machine room, which is not shown in fig. 1.
It should be understood that the number of the identification area entrance barriers 102 and the identification area exit barriers 103 is one or more, the number of the identification area entrance barriers 102 and the identification area exit barriers 103 may be freely set according to the passage width allowing the flowing person to pass, for example, the number of the identification area entrance barriers 102 and the identification area exit barriers 103 may be 1, 2, 3, 4 or more, and the number of the identification area entrance barriers 102 and the number of the identification area exit barriers 103 may be the same or different. It should be understood that the number of identification area entrance barriers 102 and identification area exit barriers 103 shown in fig. 1 is 3 for example only.
The entrance guard main control system is used for controlling whether the recognition waiting area 101 is started or not according to preset rules, and the preset rules are determined based on the people flow density of the flowing personnel expecting to enter the preset area. The face information base is used for storing face information of the floating persons allowed to enter the preset area.
In the case where the recognition waiting area 101 is not enabled, the recognition area entrance barriers 102 are all opened, and each recognition area exit barrier 103 is opened or closed based on the face recognition result one by one of the face recognition gates set individually. In other words, each recognition area exit gate 103 performs face recognition operation on the persons flowing through the gate one by one based on a conventional face recognition method without activating the recognition waiting area 101, and opens the gate when recognition is successful and closes the gate when recognition is unsuccessful.
In the case that the recognition waiting area 101 is enabled, the face recognition camera 104 is configured to count all the floating people currently in the recognition waiting area 101 in real time to obtain the headcount information, the face recognition camera 104 is further configured to perform face recognition on the face information of all the floating people currently in the recognition waiting area 101 in real time at the same time to obtain all the face recognition information, the advertiser 105 is configured to generate prompt information based on all the face recognition information, the recognition area entrance barrier 102 is configured to be fully opened or fully closed based on the headcount information, and the recognition area exit barrier 103 is configured to be fully opened or fully closed based on all the face recognition information. As described below, the number of face recognition cameras 104 may be set according to the density of people flow.
Fig. 2 shows a work flow chart of a public place face recognition access control system provided by an embodiment of the present invention, and a work flow of the system in practical application will be described below with reference to fig. 1.
In practical application, an identification waiting area can be arranged between a gate entrance of a public place service hall and a barrier gate machine, 1-3 face snapshot identification cameras (corresponding to the face identification cameras 104) and 1 large-screen advertising machine (corresponding to the advertising machine 105) can be configured in the waiting area, the cameras carry out face snapshot and identification on flowing personnel in the waiting area and compare the face snapshot and identification with a face library, and if face information of all personnel in the waiting area is filed, the barrier gate is directly controlled to open all gates, and all personnel in the waiting area are released; if the face information of people in the waiting area is not archived (namely the face information is not successfully matched with the face in the face information base), the face is displayed on a large-screen advertising machine, and the advertising machine sends out prompt tones to remind workers and people guiding unregistered identification to leave the waiting area and go to other channels to register information. After a face recognition camera is independently configured on each barrier gate machine (corresponding to the exit barrier gate 103 of the recognition area) to recognize faces, the corresponding barrier gate is opened. When more people exist (during the peak period of people flow), the recognition waiting area is started, the independent face recognition camera access control function on the barrier (corresponding to the exit barrier 103 of the recognition area) is closed, and a batch of people are released to enter the recognition waiting area each time. When the number of people is small or the staff is off duty at night (the flow of people is in a slow period), the recognition waiting area is cancelled, the entrance guard function of the independent face recognition camera on the barrier (corresponding to the recognition area exit barrier 103) is recovered, and the gate can be opened to enter and exit after each barrier (corresponding to the recognition area exit barrier 103) passes through the face recognition. Whether the two conditions of the recognition waiting area are flexibly controlled or not is started, the selection is free, the problems that only independent gate entrance guard is easy to happen, such as trailing, the old people cannot use face recognition entrance guard equipment, the face recognition difficulty is difficult due to different personal heights and the like can be solved, the passing efficiency of the gate is improved, and the situation that visitors are anxious and uneasy is avoided.
In conclusion, the identification waiting area is introduced into the access control system, the identification waiting area can be started at the time of the people flow peak according to the people flow density, and all the flow personnel in the identification waiting area can be simultaneously identified by the face identification cameras, so that after all the flow personnel are successfully matched with the face information base, the exit gates of all the identification areas are opened simultaneously, the passing efficiency of the face identification access control gate machine at the time of the people flow peak is improved, and the risk of congestion is reduced.
Optionally, under the condition that the entrance guard master control system controls not to start the recognition waiting area according to a preset rule, the face recognition camera 104 stops working, all the entrance gates 102 of the recognition area are in an open state, all the mobile personnel can reach the exit gates 103 of the recognition area through the entrance gates 102 of the recognition area and the recognition waiting area 101, then the face recognition is carried out one by one through the face recognition entrance gates arranged on the exit gates of each recognition area, and the corresponding gates are opened under the condition that the face recognition information is successfully matched with the face information in the face information base one by one, so as to allow the mobile personnel successfully matched with the face information to enter a preset area;
under the condition that an entrance guard main control system controls and starts a recognition waiting area according to a preset rule, face recognition entrance guards arranged on exit gates of all recognition areas stop working, when the total number of all flowing personnel currently in the recognition waiting area is smaller than a preset threshold value, entrance gates of the recognition areas are all opened to allow the flowing personnel outside the recognition waiting area to enter the recognition waiting area, when the total number of the flowing personnel is equal to or larger than the preset threshold value, the entrance gates of the recognition areas are all closed to prevent more flowing personnel from entering the recognition waiting area, and under the condition that all face recognition information of all the flowing personnel currently in the recognition waiting area, acquired by a face recognition camera, is successfully matched with the face information in a face information base, the exit gates of the recognition areas are all opened to allow the flowing personnel in the recognition waiting area to enter a preset area, and under the condition that face identification information which is not successfully matched with the face information in the face information base exists in all the face identification information acquired by the face identification camera, displaying the faces of the mobile personnel corresponding to the face identification information which is not successfully matched on the advertising machine, and simultaneously sending prompt tones by the advertising machine to remind a worker to guide the mobile personnel which is not successfully matched to leave the identification waiting area through other channels different from the exit barrier of the identification area.
Specifically, in practical application, when all M individual face information in the identification area has an appointment in the face library, the barrier group of the identification area is automatically and fully opened, and people do not need to brush faces to identify and leave the identification area once, so that the passing efficiency is increased. When the face information of 1 person in the identification area is not matched with the data in the face library, the barrier gate group of the identification area is immediately closed, and the person can continuously leave the identification area once through face brushing identification of each person to return to a normal state. If the unidentified face information is found, the face information is photographed through a head portrait acquisition technology, the face photo is pushed to an advertisement screen to be displayed, and the person is prompted to leave through voice. And when the detected faces are successfully compared in the library, closing the linkage and opening a barrier gate of the identification area.
Optionally, the other channel is a dedicated channel provided on one side of the identified waiting area and dedicated to guiding the unmatched successful migrant personnel away from the identified waiting area.
Optionally, when face identification information that is not successfully matched with the face information in the face information base exists in all the face identification information acquired by the face identification camera, the following operations are performed until a floating person who is not successfully matched leaves the identification waiting area: firstly, all exit gates of the identification area are closed, face recognition access controls arranged on all the exit gates of the identification area are started, and then each exit gate of the identification area is opened or closed based on the face recognition results of the face recognition access controls arranged on each exit gate one by one.
Alternatively, if the maximum effective recognition distance of the face recognition camera is D meters and the viewing angle is r, the maximum length L of the recognition waiting area is D × sin (r) meters, and the maximum width W is D meters. Since the people stream enters from a fixed position one after the other, there is a sequential order, so that the maximum length L ═ D × sin (r) and the maximum width W ═ D of the identification area are calculated with a single camera.
Optionally, in a case that the face recognition cameras have a 6mm lens and an angle of view of 60 °, one face recognition camera is respectively configured on each of the upper side and the lower side of the recognition waiting area to perform face recognition on the floating personnel in the recognition waiting area. Specifically, the number of cameras is determined according to the angle of view of the lens, and the aim is to reduce blind areas, such as: the angle of view of the 6mm lens is 60 °, so a face recognition camera needs to be arranged up and down respectively, and the face recognition camera can detect the image within the width W range.
The number of people that can stop per square meter is 5, and the identification area can contain at most the number of people Nmax (5 × L × W). Optionally, the preset threshold Nmax is 5 × L × W. Specifically, the number of people entering the identification area is N1, the number of people exiting the identification area is N2, the number of people in the identification area is N1-N2, when M > is Nmax, the entrance identification area gate is closed, the entrance of people is stopped, and when M < Nmax, the entrance identification area gate is opened again, and people are allowed to enter.
Generally, a single camera supports the number of recognized persons MR equal to 30 at the maximum, and therefore, when the density of the person flow is too large, so that the number of persons in the recognition waiting area is too large, the number of recognition waiting area cameras can be increased according to a specification that each camera recognizes 30 persons at the maximum at the same time.
Optionally, each identification area entrance gate is provided with a corresponding entrance guard with temperature measurement, the entrance guard with temperature measurement is used for automatically measuring the body temperature of the mobile personnel who enter the identification waiting area through the identification area entrance gate to obtain the body temperature of the mobile personnel, when the mobile personnel with the body temperature higher than the preset body temperature value are found, the identification area entrance gate corresponding to the mobile personnel is immediately closed, and meanwhile, the identification area entrance gate sends a prompt message. Optionally, the advertising machine is a liquid crystal screen vertical advertising machine disposed at a side outside the recognition waiting area. For example, the advertising machine can be a 43-inch liquid crystal screen vertical advertising machine.
In a second aspect, an embodiment of the present invention further provides a public place face recognition access control method, which may be applied to the public place face recognition access control system provided in the above embodiment of the present invention, and the method includes: the entrance guard master control system controls whether to start the recognition waiting area or not according to a preset rule, and the preset rule is determined based on the people flow density of the flowing personnel expected to enter the preset area; under the condition of starting the recognition waiting area, stopping the face recognition entrance guard arranged on each recognition area exit gate, simultaneously acquiring the face information and the headcount information of all the flowing persons currently in the recognition waiting area by a face recognition camera, fully opening or fully closing the recognition area entrance gates based on the headcount information, matching the acquired face information with the face information stored in a face information library, starting the face recognition entrance guard arranged on each recognition area exit gate when unsuccessfully matched face information exists, opening or closing each recognition area exit gate based on the one-by-one face recognition result of the face recognition entrance guard arranged on each recognition area exit gate, displaying the unsuccessfully matched face information by an advertising machine, stopping the face recognition arranged on each recognition area exit gate when the acquired face information is successfully matched, and the identification area exit barrier is fully opened; and under the condition that the recognition waiting area is not started, all the entrance gates of the recognition areas are opened, the face recognition access control arranged on the exit gate of each recognition area is started, and each exit gate of the recognition areas is opened or closed based on the face recognition results of the face recognition access controls arranged on the exit gate of each recognition area one by one.
It should be understood that the public place face recognition access control method provided by the above embodiment of the present invention can be used to control and implement all functions of the public place face recognition access control system provided by the above embodiment of the present invention.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the scope of the present invention.
Claims (10)
1. The utility model provides a public occasion face identification access control system for flow personnel who expects to get into predetermined area carry out the discernment management and control, its characterized in that, the system includes: the system comprises an access control main control system, a face information base, recognition waiting areas, recognition area entrance barriers, recognition area exit barriers, face recognition cameras and an advertising machine, wherein each recognition area exit barrier is provided with a corresponding face recognition access control, and mobile personnel can enter the preset area only after passing through the recognition area entrance barriers, the recognition waiting areas and the recognition area exit barriers in sequence;
the entrance guard main control system is used for controlling whether the identification waiting area is started or not according to a preset rule, and the preset rule is determined based on the people flow density of the flowing personnel expecting to enter the preset area;
the face information base is used for storing face information of the floating personnel allowed to enter the preset area;
under the condition that the recognition waiting area is not started, all the recognition area entrance barriers are opened, and each recognition area exit barrier is opened or closed based on the face recognition results of the face recognition entrance guards arranged on the recognition area entrance barriers one by one;
the method comprises the steps that under the condition that the recognition waiting area is started, the face recognition camera is used for counting all the flowing persons currently located in the recognition waiting area in real time to obtain the information of the total number of persons, the face recognition camera is also used for carrying out face recognition on the face information of all the flowing persons currently located in the recognition waiting area in real time to obtain all the face recognition information, the advertising machine is used for generating prompt information based on all the face recognition information, the recognition area entrance barrier is used for being completely opened or completely closed based on the information of the total number of persons, and the recognition area exit barrier is used for being completely opened or completely closed based on all the face recognition information.
2. The public place face recognition access control system according to claim 1, wherein under the condition that the access control main control system controls not to start the recognition waiting area according to the preset rule, the face recognition cameras stop working, all the recognition area entrance barriers are in an open state, all the mobile personnel can reach the recognition area exit barriers through the recognition area entrance barriers and the recognition waiting area, then the face recognition accesses arranged on each recognition area exit barrier are used for carrying out face recognition one by one, and the corresponding barriers are opened under the condition that the face recognition information is successfully matched with the face information in the face information base one by one, so as to allow the mobile personnel successfully matched with the face information to enter the preset area;
when the entrance guard master control system controls to start the recognition waiting area according to the preset rule, all the face recognition entrance guards arranged on the exit gates of the recognition area stop working, when the total number of all the flowing personnel currently in the recognition waiting area is smaller than a preset threshold value, all the entrance gates of the recognition area are opened to allow the flowing personnel outside the recognition waiting area to enter the recognition waiting area, when the total number of the people is equal to or larger than the preset threshold value, all the entrance gates of the recognition area are closed to prevent more flowing personnel from entering the recognition waiting area, and all the exit gates of the recognition area are opened under the condition that all the face recognition information of all the flowing personnel currently in the recognition waiting area, which is acquired by the face recognition camera, is successfully matched with the face information in the face information base, allowing the mobile personnel in the identification waiting area to enter the preset area, displaying the faces of the mobile personnel corresponding to the face identification information which is not successfully matched on the advertising machine under the condition that face identification information which is not successfully matched with the face information in the face information base exists in all the face identification information acquired by the face identification camera, and simultaneously sending out prompt tones by the advertising machine to remind workers of guiding the mobile personnel which is not successfully matched to leave the identification waiting area through other channels different from the identification area exit barrier.
3. The public place face recognition entrance guard system according to claim 2, wherein the other channel is a dedicated channel provided at one side of the recognition waiting area and used exclusively for guiding the floating personnel who are not successfully matched to leave the recognition waiting area.
4. The public place face recognition access control system according to claim 2, wherein when face recognition information which is not successfully matched with face information in the face information base exists in all the face recognition information acquired by the face recognition camera, the following operations are performed until mobile personnel which are not successfully matched leave the recognition waiting area: firstly, all the identification area exit gates are closed, face recognition access controls arranged on all the identification area exit gates are started, and then each identification area exit gate is opened or closed based on the face recognition results of the face recognition access controls arranged on the identification area exit gate one by one.
5. The public place face recognition entrance guard system according to claim 2, wherein if the maximum effective recognition distance of the face recognition camera is D meters and the viewing angle is r, the maximum length L ═ D × sin (r) meters and the maximum width W ═ D meters of the recognition waiting area are determined.
6. The public place face recognition access control system according to claim 5, wherein under the condition that the face recognition cameras are 6mm lenses and the visual angle is 60 degrees, one face recognition camera is respectively configured on the upper side and the lower side of the recognition waiting area so as to perform face recognition on the mobile personnel in the recognition waiting area.
7. The public place face recognition access control system of claim 5, wherein the preset threshold Nmax is 5 x L W.
8. The public place face identification access control system according to claim 1, wherein each identification area entrance gate is provided with a corresponding entrance gate with temperature measurement, the entrance gate with temperature measurement is used for automatically measuring the body temperature of the mobile personnel who enter the identification waiting area through the identification area entrance gate to obtain the body temperature of the mobile personnel, when the mobile personnel with the body temperature higher than the preset body temperature value are found, the identification area entrance gate corresponding to the mobile personnel is immediately closed, and meanwhile, the identification area entrance gate sends a prompt message.
9. The public place face recognition access control system of claim 1, wherein the advertisement machine is a liquid crystal screen vertical advertisement machine disposed at one side outside the recognition waiting area.
10. A public place face recognition access control method applied to the public place face recognition access control system according to any one of claims 1 to 9, the method comprising:
the entrance guard master control system controls whether to start the recognition waiting area or not according to a preset rule, wherein the preset rule is determined based on the people flow density of the flowing personnel expected to enter the preset area;
under the condition of starting the recognition waiting area, stopping the face recognition entrance guard arranged on each recognition area exit gate, simultaneously acquiring face information and headcount information of all the flowing persons currently in the recognition waiting area through a face recognition camera, starting the face recognition entrance guard arranged on each recognition area exit gate based on the headcount information, matching the acquired face information with face information stored in a face information base, when unsuccessfully matched face information exists, starting the face recognition entrance guard arranged on each recognition area exit gate, each recognition area exit gate is opened or closed based on one-by-one face recognition result of the face recognition entrance guard arranged on each recognition area exit gate, displaying unsuccessfully matched face information through an advertising machine, and when the acquired face information is all successfully matched, stopping the face recognition arranged on each recognition area exit gate, and the identification area exit barrier is fully opened;
and under the condition that the identification waiting area is not started, all the identification area entrance gates are opened, the face identification access control arranged on each identification area exit gate is started, and each identification area exit gate is opened or closed based on the face identification results of the face identification access control arranged on each identification area exit gate one by one.
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Application publication date: 20201225 |