CN112288937B - Control method of virtual gate - Google Patents
Control method of virtual gate Download PDFInfo
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- CN112288937B CN112288937B CN202011299055.9A CN202011299055A CN112288937B CN 112288937 B CN112288937 B CN 112288937B CN 202011299055 A CN202011299055 A CN 202011299055A CN 112288937 B CN112288937 B CN 112288937B
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- 230000000903 blocking effect Effects 0.000 description 2
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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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- Traffic Control Systems (AREA)
Abstract
The invention discloses a virtual gate, which comprises an unobstructed passage formed by a waiting area, a warning area and a passing area, an infrared camera used for dynamically collecting infrared images of pedestrians, a first camera used for shooting face images, a face recognition module used for matching face information with images of a face database and outputting a matching result, and a virtual gate formed by a virtual gate; the second camera is used for shooting pedestrian images in the waiting area when the face information is not matched with the images of the face database; the light projection device can project a passing mark in the warning area; the control module controls the light projection device to project a passing identifier corresponding to the matching result in the warning area according to the matching result, and sends the pedestrian image shot by the second camera to the background service center. The invention also discloses a corresponding control method, which redesigns the structure of the access passage aiming at special application scenes by canceling the arrangement of the entity gate, thereby improving the passing efficiency and reducing the equipment maintenance cost.
Description
Technical Field
The invention belongs to the field of access control systems, relates to a channel blocking device, and particularly relates to a virtual gate without an entity gate and a corresponding control method.
Background
The gate is a channel blocking device, is mainly used for managing the flow of people and standardizing the entrance and exit of pedestrians, and can be used for entrance channels in various charging and entrance guard occasions.
The existing gate machine of punching card based on face identification generally includes left and right gate machine main part, face identification device, gate and control circuit, and when face identification device discerned pedestrian's face image and face image storehouse match, control circuit control gate opens, after the gate opens certain time, closes the gate again. However, some pedestrians move slowly or heavy objects need to be moved, the pedestrians do not necessarily pass through the gate before the gate is closed, if the gap between the gate opening and the gate closing is longer, the passing efficiency of the pedestrians can be influenced, and therefore, the pedestrians can be closed after entering the gate and leaving the gate by arranging the double infrared sensing devices between the opposite gate main bodies, and the passing efficiency problem can be effectively solved.
For gate application scenes which are not strictly related to tariffs, such as an enterprise access control system, a college district and the like, which are used for controlling the entry management system of foreign personnel, a gate with a physical gate has obvious problems: the gate takes up a certain space, and the distance between the gate main bodies is narrower, so that the width of passersby is limited, if the channel is designed to be wider, the gate is required to be larger, the gate can be damaged more easily, and the repeated opening and closing of the gate can influence the service life of the gate, so that the hardware maintenance cost of the gate is higher.
Disclosure of Invention
Aiming at the problems of low traffic efficiency and high maintenance cost of the entity gate in special application scenes in the prior art, the invention provides the virtual gate without the entity gate, which can improve traffic efficiency and reduce maintenance cost.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
A virtual gate comprises an accessible channel, wherein the accessible channel is sequentially provided with a waiting area, a warning area and a passing area; further comprises:
the infrared camera is used for dynamically collecting infrared images of pedestrians in the waiting area and judging whether pedestrians exist in the waiting area or not;
A first camera for photographing a face image when a pedestrian is present in the waiting area;
The face recognition module is used for processing the face image acquired by the first camera, extracting the face information in the face image, matching the face information with the image of the face database and outputting a matching result;
the second camera is used for shooting the pedestrian image in the waiting area when the face information of the pedestrian in the waiting area is not matched with the image of the face database;
the light projection device can project a passing mark in the warning area;
and the control module is used for controlling the at least one light projection device to project a passing identifier corresponding to the matching result in the warning area according to the matching result of the face recognition module and transmitting the pedestrian image shot by the second camera to the background service center.
Preferably, the virtual gate further includes:
the pedestrian recognition module is used for recognizing and counting the number of pedestrians in the infrared image according to the infrared image acquired by the infrared camera;
And the control module controls the at least one light projection device to project a passing mark in the warning area according to the matching result output by the face recognition module and the number of pedestrians output by the pedestrian recognition module.
Preferably, the number of the light projection devices is two, namely a front light projection device and a rear light projection device, the control module projects a passing mark which is not allowed to pass through the front light projection device in the warning area when the face information of the pedestrian in the waiting area is not matched with the image of the face database, and projects a passing mark which is allowed to pass through the rear light projection device in the warning area when the face information of the pedestrian in the waiting area is matched with the image of the face database.
Preferably, the warning area further comprises an infrared sensing device, and the infrared sensing device is used for detecting whether a person exists in the warning area or not when the face information of the pedestrian in the waiting area is not matched with the image of the face database, and if the person exists in the warning area, the warning device sends out warning information and simultaneously notifies the background service center.
Preferably, the waiting area is provided with a display device, when the face information of the pedestrian in the waiting area is not matched with the image of the face database, the control module displays the face image which is not matched with the image of the face database in the face information on the display device, and meanwhile, sends the face image which is not matched with the image of the face database in the face information to the background service center for storage.
The invention also provides a control method of the virtual gate, which comprises the following steps:
Dynamically collecting infrared images of pedestrians in a waiting area, and judging whether pedestrians exist in the waiting area or not;
shooting a face image when a pedestrian exists in the waiting area;
Processing the face image, extracting face information in the face image, matching the face information with the image of the face database, and outputting a matching result;
Projecting a passing identifier corresponding to the matching result in a warning area in front of the waiting area according to the matching result;
when the face information in the face image is not matched with the image of the face database, shooting a pedestrian image in the waiting area, and sending the pedestrian image to a background service center.
Further, the control method further comprises the step of identifying and counting the number of pedestrians in the infrared image before the warning area projects the traffic mark;
When the number of pedestrians in the waiting area is the same as the matching number of the face information in the waiting area, projecting a passing mark allowing pedestrians in the waiting area to pass through the warning area in the warning area;
When the number of pedestrians in the waiting area is different from the number of the matched pedestrians in the waiting area, a passing mark which does not allow the pedestrians in the waiting area to pass through the warning area is projected in the warning area.
Preferably, the projecting, according to the matching result, the traffic identifier corresponding to the matching result in the warning area in front of the waiting area is specifically:
When the face information of the pedestrians in the waiting area is not matched with the images of the face database, projecting a passing mark which does not allow the pedestrians to pass through in the warning area;
when the face information of the pedestrians in the waiting area is matched with the images of the face database, a passing mark allowing the pedestrians to pass through is projected in the warning area.
Preferably, when the face information of the pedestrian in the waiting area is not matched with the image of the face database, whether the warning area is someone is detected, if yes, alarm information is sent out, and meanwhile the background service center is notified.
Preferably, when the face information of the waiting area pedestrian is not matched with the image of the face database, the face image which is not matched with the image of the face database in the face information is displayed, and meanwhile, the face image which is not matched with the image of the face database in the face information is stored.
Compared with the prior art, the invention cancels the setting of the entity gate, redesigns the structure of the access passage aiming at special application scenes, ensures the access of legal personnel through the information acquisition of pedestrians in different areas, and can also prevent the intrusion of illegal personnel and carry out evidence collection and preservation, thereby improving the passing efficiency and reducing the maintenance cost of equipment.
Drawings
FIG. 1 is a schematic diagram of a virtual gate structure according to the present invention;
FIG. 2 is a schematic diagram of another embodiment of a virtual gate according to the present invention;
FIG. 3 is a schematic diagram of a virtual gate module according to the present invention;
FIG. 4 is a flow chart of a method for controlling a virtual gate according to the present invention.
The identifiers in the figure correspond to: the system comprises a waiting area, an 11-infrared camera, an 11 a-pedestrian recognition module, a 12-first camera, a 12 a-face recognition module, a 12 b-face database, a 13-second camera, a 14-display device, a 2-warning area, a 21-light projection device, a 21 a-front-end light projection device, a 21 b-rear-end light projection device, a 22-infrared induction device, a 3-passing area, a 4-control module, a 5-background service center and a 6-warning device.
Detailed Description
The invention will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the invention.
The application is applied to application scenes such as enterprise card-punching check-in or campus, community import and export, etc., for example, only staff of the company and teachers and students of the school are allowed to enter and exit, foreign personnel are prevented from being mixed in, and the application scenes are mainly used for verifying and confirming the identity of the entering and exiting personnel, and generally do not relate to the condition of deducting personal charge.
As shown in fig. 1 and fig. 2, the virtual gate of the present application generally sets an accessible channel at an entrance and an exit, and sets a waiting area 1, a warning area 2 and a passing area 3 in order along the entering direction of the accessible channel, where the waiting area 1 belongs to a place where a pedestrian needs to verify identity, the warning area 2 carries out a corresponding passing prompt according to the verification condition of the pedestrian by the waiting area 1, and the passing area 3 belongs to a safe moving area of the pedestrian, where the pedestrian needing to be prompted to pass does not stay or does not return along the accessible channel.
It should be noted that, the waiting area 1 is not limited to only allow one pedestrian to verify the identity, but a plurality of pedestrians can also verify the identity at the same time, the upper limit of the capacity of the pedestrians is determined according to the size of the waiting area 1 and the verification technology level, and the waiting area 1 can be divided into areas corresponding to the positions of different pedestrians, so that identity verification is facilitated.
The method comprises the steps that an infrared camera 11, a first camera 12 and a second camera 13 which are positioned above the waiting area 1 are arranged in the waiting area, the infrared camera 11 dynamically collects infrared images of pedestrians in the waiting area 1, and whether pedestrians exist in the waiting area 1 is judged; if a person is present, a face image of the person present in the waiting area 1 is captured by the first camera 12.
The face recognition module 12a processes the face image shot by the first camera 12, including extracting face information from the face image, matching the face information with the image in the face database 12b in which the face information is input in advance, and outputting a matching result. If there is a match, the pedestrian is allowed access, and if there is no match, no access is allowed.
For pedestrians whose face information does not match the image in the face database 12b, it is necessary to take a picture of the pedestrians in the waiting area 1 by the second camera 13, and it is preferable to extract the face image of the person who does not match.
The light projection device 21 is arranged above the warning area 2, and is controlled to work by the control module 4 according to the matching result of the face recognition module 12a, specifically: if the pedestrian in the waiting area 1 is allowed to enter, the light projection device 21 projects a passing mark allowing passing in the warning area 2, and if the pedestrian in the waiting area 1 is not allowed to enter, the light projection device 21 projects a passing mark not allowing passing in the warning area 2, and meanwhile, the control module 4 sends the pedestrian image shot by the second camera 13 to the background service center 5.
The pass identifier can display a character identifier similar to 'safe pass', and also can display a character identifier similar to 'forbidden pass'.
Of course, if the complexity of the projection is to be simplified, only lines of different colors, such as green lines representing allowed passage and red lines representing not allowed passage, may be projected on the warning area 2 by the light projection means 21.
In order to further improve the accuracy of whether the entering person can enter, the application is also provided with a pedestrian recognition module 11a which is used for recognizing and counting the number of pedestrians in the infrared image according to the infrared image acquired by the infrared camera 11.
In this way, the control module 4 also considers the number of pedestrians output by the pedestrian recognition module 11a when controlling the light projection device 21 to project the traffic sign in the warning area 2, specifically: only if the number of persons in the waiting area 1, which is recognized by the face recognition module 12a and matches the face database 12b, is the same as the number of persons in the pedestrian recognition module 11a, the light projection device 21 projects a pass-through identifier for allowing the passage of the pedestrian in the warning area 2, that is to say, even if the face information recognized by the face recognition module 12a matches the face database 12b, the warning area 2 does not necessarily display the pass-through identifier, because the number of persons in the face image recognized by the face recognition module 12a is not necessarily equal to the number of persons in the infrared image recognized by the pedestrian recognition module 11a, mainly because there is a case of a pedestrian trailing.
For example, the pedestrian a is trailing behind the pedestrian B so as to avoid the first image capturing device to obtain the face image, the face recognition module 12a cannot recognize the trailing pedestrian B, but at this time, if the infrared camera 11 is arranged in the vertical direction of the shooting direction of the first image capturing device to obtain the infrared image, the trailing pedestrian B can be easily found, if the pedestrian a is trailing behind the pedestrian B and avoids the infrared camera 11 to obtain the infrared image (the perfect avoidance difficulty is great), the pedestrian recognition module 11a cannot recognize the trailing pedestrian B, at this time, the first image capturing device located in the vertical direction can easily obtain the face image of the trailing pedestrian B, that is, the face image and the infrared image of the waiting area 1 are obtained by the cooperation of the first camera 12 and the infrared camera 11, which is beneficial to ensuring the recognition success rate of the virtual gate.
Considering the situation that the waiting area 1 allows a plurality of persons to verify the identity, the infrared camera 11 is preferably arranged right above the waiting area 1, so that the number of pedestrians in the waiting area 1 can be accurately identified and counted; while the face orientation of a typical pedestrian is horizontal, the first camera 12 for acquiring face images is typically set at an angle with the horizontal direction facing upwards to capture the pedestrian.
As shown in fig. 3, the above-mentioned light projection devices 21 may be implemented by providing one light projection device 21, two light projection devices 21 in this example, a front light projection device 21a and a rear light projection device 21b, respectively, and when the face information of the pedestrian in the waiting area 1 does not match with the image of the face database 12b, the front light projection device 21a projects a traffic sign (when necessary, the rear light projection device 21b may not allow the traffic sign), such as a red light representing that the traffic is prohibited, and when the face information of the pedestrian in the waiting area 1 matches with the image of the face database 12b, the rear light projection device 21b projects a traffic sign (when necessary, the front light projection device 21a may also project a traffic sign) allowing the traffic in the warning area 2.
The warning area 2 further comprises an infrared sensing device 22, when the light projection device 21 projects a mark for prohibiting passage in the warning area 2, the infrared sensing device 22 needs to detect whether a person passes through the warning area 2, illegal passing through the warning area 2 is prevented, if a person passes through the warning area 2 when passing through is not allowed, the control module 4 controls the warning device 6 to send out warning information, and meanwhile informs the background service center 5, when the light projection device 21 projects a passable passage mark in the warning area 2, the infrared sensing device 22 needs to detect whether the person passes through the warning area 2, if no person is detected in the time after passing through, the next process of passing through the virtual gate can be performed, and for the condition of allowing passage, the infrared sensing device 22 can adopt the existing double infrared sensing method, namely, the infrared sensing device 22 is respectively arranged at the front and rear positions of the warning area 2 to detect the person, so that the person can pass through the warning area 2 safely.
In the case where the light projection device 21 is the front light projection device 21a and the rear light projection device 21b21, the infrared sensing device 22 senses a pedestrian located between the areas where the front light projection device 21a and the rear light projection device 21b21 can project.
In consideration of timely finding out a non-matching forbidden person (caused by non-recognition errors), preventing the forbidden person from entering a company, a campus or a district and the like, besides the arrangement of personnel on duty, a display device 14 can be arranged in the waiting area 1, and if the face information of the pedestrian in the waiting area 1 is not matched with the image of the face database 12b, the control module 4 displays the face image which is not matched with the image of the face database 12b in the face information on the display device 14, so that the forbidden person can be supervised and searched by surrounding pedestrians to inform the forbidden person of not allowing the forbidden person to enter.
For a face image in the face information that does not match the image of the face database 12b, the background service center 5 needs to receive and store the face image.
Fig. 4 shows a control method of a virtual gate, which includes the following steps:
s100: dynamically collecting infrared images of pedestrians in a waiting area, and judging whether pedestrians exist in the waiting area or not;
s200: shooting a face image when a pedestrian exists in the waiting area;
S300: processing the face image, extracting face information in the face image, matching the face information with the image of the face database, and outputting a matching result;
s400: and projecting a passing identifier corresponding to the matching result in the warning area in front of the waiting area according to the matching result.
When the face information in the face image does not match the image of the face database 12b, a pedestrian image of the waiting area 1 is photographed and transmitted to the background service center 5.
Before the warning area 2 projects the traffic mark, the number of pedestrians in the infrared image is identified and counted, and when the number of pedestrians in the waiting area 1 is the same as the number of face information of the waiting area 1, the traffic mark allowing the pedestrians in the waiting area 1 to pass through the warning area 2 is projected in the warning area 2; when the number of pedestrians in the waiting area 1 is different from the matching number of the face information of the waiting area 1, a passing mark which does not allow the pedestrians in the waiting area 1 to pass through the waiting area 2 is projected in the warning area 2.
The method comprises the following steps that according to the matching result, a traffic mark corresponding to the matching result is projected in the warning area 2 in front of the waiting area 1:
When the face information of the pedestrian in the waiting area 1 is not matched with the image of the face database 12b, a passing mark which is not allowed to pass is projected in the warning area 2; when the face information of the pedestrian in the waiting area 1 is matched with the image of the face database 12b, a passing mark allowing the passing is projected in the warning area 2.
When the face information of the pedestrian in the waiting area 1 is not matched with the image of the face database 12b, whether the warning area 2 is someone is detected, if yes, alarm information is sent out, and the background service center 5 is notified.
When the face information of the pedestrian in the waiting area 1 is not matched with the image of the face database 12b, the face image which is not matched with the image of the face database 12b in the face information is displayed, and meanwhile, the face image which is not matched with the image of the face database 12b in the face information is stored.
The control method of the virtual gate provided by the application is described in detail above. The description of the specific embodiments is only intended to aid in understanding the method of the present application and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the application can be made without departing from the principles of the application and these modifications and adaptations are intended to be within the scope of the application as defined in the following claims.
Claims (3)
1. The control method of the virtual gate is characterized by comprising an accessible channel, wherein the accessible channel is sequentially provided with a waiting area, a warning area and a passing area, the waiting area is provided with an infrared camera, a first camera and a second camera which are positioned above, and at least one light projection device is arranged above the warning area, and the control method comprises the following steps:
The method comprises the steps of dynamically collecting infrared images of pedestrians in a waiting area through an infrared camera, and judging whether pedestrians exist in the waiting area or not;
shooting a face image when a pedestrian exists in the waiting area through a first camera;
Processing the face image acquired by the first camera through a face recognition module, extracting face information in the face image, matching the face information with an image of a face database, and outputting a matching result;
the second camera is used for shooting the pedestrian image in the waiting area when the face information of the pedestrian in the waiting area is not matched with the image of the face database;
The control module controls the light projection device to project a passing identifier corresponding to the matching result in a warning area in front of the waiting area according to the matching result output by the face recognition module;
when the face information in the face image is not matched with the image of the face database, a pedestrian image in the waiting area is shot by a second camera, and the pedestrian image is sent to a background service center;
The two light projection devices are respectively a front light projection device and a rear light projection device, the control module projects a passing mark which is not allowed to pass through in the warning area through the front light projection device when the face information of the pedestrian in the waiting area is not matched with the image of the face database, and projects a passing mark which is allowed to pass through the rear light projection device when the face information of the pedestrian in the waiting area is matched with the image of the face database;
The system also comprises an infrared sensing device which is arranged in the warning area and used for detecting whether a person exists in the warning area or not when the face information of the pedestrian in the waiting area is not matched with the image of the face database, and if the person exists in the warning area, the infrared sensing device sends out alarm information through the alarm device and simultaneously informs the background service center.
2. The method of claim 1, further comprising:
Identifying and counting the number of pedestrians in the infrared image according to the infrared image acquired by the infrared camera;
When the number of pedestrians in the waiting area is the same as the matching number of the face information in the waiting area, the control module controls the light projection device to project a passing mark allowing pedestrians in the waiting area to pass through the warning area;
When the number of pedestrians in the waiting area is different from the number of the pedestrians in the waiting area, the control module controls the light projection device to project a passing mark which does not allow the pedestrians in the waiting area to pass through the warning area in the warning area.
3. The method according to claim 1, wherein the waiting area is further provided with a display device, and when the face information of the pedestrian in the waiting area is not matched with the image of the face database, the face image of the person whose face information is not matched with the image of the face database is displayed in the display device, and the face image of the person whose face information is not matched with the image of the face database is sent to the background service center for storage.
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| KR200273497Y1 (en) * | 2002-01-17 | 2002-04-26 | 한승희 | search- system with Metal Detection and Face Recognition function as one |
| CN108876968A (en) * | 2017-05-10 | 2018-11-23 | 北京旷视科技有限公司 | Recognition of face gate and its anti-trailing method |
| CN208014044U (en) * | 2018-03-12 | 2018-10-26 | 南京甄视智能科技有限公司 | Intelligent entrance guard with face identification functions |
| CN110874551A (en) * | 2018-09-03 | 2020-03-10 | 上海大漠电子科技股份有限公司 | Image processing method for access control gate passage logic control |
| CN109934978B (en) * | 2019-03-15 | 2020-12-11 | 上海华铭智能终端设备股份有限公司 | Control method and terminal of gate equipment, gate equipment and system |
| CN110288822A (en) * | 2019-06-27 | 2019-09-27 | 桂林理工大学 | A kind of crossing intelligent alarm system and its control method |
| CN110674775A (en) * | 2019-09-27 | 2020-01-10 | 广东博智林机器人有限公司 | Gate control method, device and system and storage medium |
| CN110910550A (en) * | 2019-10-12 | 2020-03-24 | 浙江大华技术股份有限公司 | Gate passing method, gate, system, computer device and storage medium |
| CN110867006A (en) * | 2019-11-12 | 2020-03-06 | 上海德启信息科技有限公司 | Pedestrian passageway gate machine, control method thereof and pedestrian passageway gate machine system |
| CN110910549A (en) * | 2019-11-15 | 2020-03-24 | 江苏高泰软件技术有限公司 | Campus personnel safety management system based on deep learning and face recognition features |
| CN111508121A (en) * | 2020-03-30 | 2020-08-07 | 北京龙德时代技术服务有限公司 | Visual multicolor laser intelligent virtual gate control system |
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