CN110969140A - Anti-smashing control method and device for barrier gate - Google Patents
Anti-smashing control method and device for barrier gate Download PDFInfo
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Abstract
The application provides a banister smash-proof control method and device, and the banister smash-proof control method comprises the following steps: projecting preset light spots to a specified object; acquiring a target image with light spots; judging whether pedestrians or/and vehicles pass through the target area according to the target image; if yes, a control command is sent to the barrier gate so that the barrier gate lifts the rod or stops dropping the rod. According to the method and the device for controlling the anti-smashing of the barrier gate, the preset light spots are projected, the light spot images are obtained to judge whether pedestrians or/and vehicles pass through the target area, and when the pedestrians or/and vehicles pass through the target area, the control command is sent to enable the barrier gate to lift the rod or stop dropping the rod, so that the aim of preventing smashing of the barrier gate is fulfilled.
Description
Technical Field
The application relates to the technical field of barriers, in particular to a barrier anti-smashing control method and device.
Background
The road brake is also called a car stopper, is a passage entrance and exit management device specially used for limiting the running of motor vehicles on roads, is widely applied to a road toll station and a parking lot system management vehicle passage at present, and is used for managing the entrance and the exit of the vehicles.
At present, in the aspect of barrier gate smash prevention, common barrier gate smash prevention technologies mainly have a pressure wave smash prevention technology, a ground sensing smash prevention technology, an infrared smash prevention technology and an ultrasonic smash prevention technology, but the smash prevention technologies have corresponding defects, wherein the pressure wave smash prevention technology can only act after a gate rod of a barrier gate is contacted with a vehicle or a person, and the pressure wave smash prevention technology can cause certain small damage to the vehicle or the person in use; the ground sensing anti-smashing technology has the advantages that the ground sensing coil is poor in stability and prone to being affected by interference and losing efficacy, vehicles containing a large amount of metal can be detected only, people cannot be detected, meanwhile, a rectangular groove needs to be cut on a road surface for coil installation, construction quantity is large, and installation cost is high; the infrared anti-smashing technology and the ultrasonic anti-smashing technology are easily interfered by rain and snow weather, and the using effect is influenced.
Disclosure of Invention
The embodiment of the application aims to provide a barrier gate anti-smashing control method and device, a preset light spot is projected to obtain a light spot image to judge whether pedestrians or/and vehicles pass through a target area, and when the pedestrians or/and vehicles pass through the target area, a control instruction is sent to enable a barrier gate to lift a rod or stop dropping the rod, so that the purpose of barrier gate anti-smashing is achieved.
In a first aspect, an embodiment of the present application provides a banister smash-proof control method, including:
projecting preset light spots to a specified object;
acquiring a target image with light spots;
judging whether pedestrians or/and vehicles pass through the target area according to the target image;
if yes, a control command is sent to the barrier gate so that the barrier gate lifts the rod or stops dropping the rod.
In the implementation process, the method for controlling the gate anti-smashing according to the embodiment of the application judges whether pedestrians or/and vehicles pass through a target area by projecting preset light spots to a specified object and obtains a target image with the light spots, and when the pedestrians or/and vehicles pass through the target area, a control instruction is sent to the gate to enable the gate to lift a rod or stop dropping the rod, so that the purpose of preventing the gate from smashing is achieved.
Further, the light spot shape of the preset light spot is a word line.
In the implementation process, the shape of the light spot of the preset light spot is simple, and the preset light spot with one line is convenient for judging whether pedestrians or/and vehicles pass through the target area according to the target image.
Further, the determining whether a pedestrian or/and a vehicle passes through the target area according to the target image includes:
and judging whether pedestrians or/and vehicles pass through the target area or not according to the target image and the initial image with the light spots.
In the implementation process, when the method judges whether pedestrians or/and vehicles pass through the target area, the target image and the initial image are used for judging, and the accuracy and the efficiency of the judgment are well guaranteed.
Furthermore, the shape of the light spot of the preset light spot is a word line;
the step of judging whether pedestrians or/and vehicles pass through the target area according to the target image and the initial image with the light spots comprises the following steps:
calculating the target surrounding area of the light spot and the specified reference line in the target image according to a preset area calculation rule;
acquiring a reference surrounding area of a light spot and a specified reference line in an initial image with the light spot;
and judging whether pedestrians or/and vehicles pass through the target area according to the change rate of the target enclosing area relative to the reference enclosing area.
In the implementation process, the method judges whether pedestrians or/and vehicles pass through the target area by calculating the target surrounding area and according to the change rate of the target surrounding area relative to the reference surrounding area, the judgment mode is accurate, and the judgment accuracy is improved.
In a second aspect, an embodiment of the present application provides a banister prevents pounding controlling means, includes:
the laser is used for projecting preset light spots to a specified object;
the camera is used for acquiring a target image with light spots;
the processor is used for judging whether pedestrians or/and vehicles pass through the target area according to the target image;
the processor is further used for sending a control command to the barrier gate when pedestrians or/and vehicles pass through the target area, so that the barrier gate lifts the rod or stops dropping the rod.
In the implementation process, the barrier gate anti-smashing control device achieves the purpose of barrier gate anti-smashing through the laser, the camera and the processor.
Further, the laser is a word line laser.
In the implementation process, the preset light spot projected by the line laser is a line, the shape of the light spot of the preset light spot is simpler, and the line laser is adopted to facilitate the processor to judge whether pedestrians or/and vehicles pass through the target area according to the target image.
Further, the processor judges whether a pedestrian or/and a vehicle passes through the target area according to the target image,
and judging whether pedestrians or/and vehicles pass through the target area or not according to the target image and the initial image with the light spots.
In the implementation process, when the processor of the device judges whether pedestrians or/and vehicles pass through the target area, the target image and the initial image are used for judging, and the accuracy and the efficiency of the judgment are well guaranteed.
Further, the laser is a linear laser;
the processor judges whether pedestrians or/and vehicles pass through the target area according to the target image and the initial image with the light spots,
calculating the target surrounding area of the light spot and the specified reference line in the target image according to a preset area calculation rule;
acquiring a reference surrounding area of a light spot and a specified reference line in an initial image with the light spot;
and judging whether pedestrians or/and vehicles pass through the target area according to the change rate of the target enclosing area relative to the reference enclosing area.
In the implementation process, the processor of the device judges whether the target area is crossed by pedestrians or/and vehicles by calculating the target surrounding area and judging the change rate of the target surrounding area relative to the reference surrounding area, and the judgment mode is accurate and improves the judgment accuracy.
Furthermore, a visible light filter and/or an infrared filter is/are arranged on the camera.
In the implementation process, the visible light filter can filter visible light and reduce the influence of the visible light; the infrared filter can let the infrared light that the laser instrument sent pass through, does not let the infrared light different with the infrared light wavelength that the laser instrument sent pass through, reduces the influence of the infrared light in the ambient light, sets up visible light filter and/or infrared filter on the camera and makes the image quality that the camera acquireed better to be convenient for the treater according to the target image better, judge whether pedestrian or/and vehicle pass through in the target area.
Further, the orientation of the laser is parallel to the orientation of the camera.
In the implementation process, the arrangement of the laser and the camera is convenient for the camera to better acquire images.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a schematic flow chart of a barrier gate anti-smashing control method according to an embodiment of the present application;
FIG. 2 is a schematic diagram of an initial image with a light spot provided in an embodiment of the present application;
FIG. 3 is a schematic diagram of a target image with a light spot according to an embodiment of the present disclosure;
fig. 4 is a schematic diagram illustrating a target surrounding area of a light spot and a designated reference line in a target image according to a first embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a barrier gate anti-smash control device provided in the second embodiment of the present application;
fig. 6 is a schematic view of a usage scenario of the barrier gate anti-smash control device according to the second embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
At present, in the aspect of anti-smashing of a barrier, the common barrier anti-smashing technology mainly comprises a pressure wave anti-smashing technology, a ground sensing anti-smashing technology, an infrared anti-smashing technology and an ultrasonic anti-smashing technology, but the anti-smashing technologies have corresponding defects.
In order to solve the problems in the prior art, the application provides a barrier gate anti-smashing control method and device, a preset light spot is projected to obtain a light spot image to judge whether pedestrians or/and vehicles pass through a target area, and when the pedestrians or/and vehicles pass through the target area, a control command is sent to enable a barrier gate to lift a rod or stop dropping the rod, so that the purpose of barrier gate anti-smashing is achieved.
Example one
Referring to fig. 1, fig. 1 is a schematic flow chart of a barrier gate anti-smashing control method provided in the embodiment of the present application. An execution main body for executing the following barrier gate anti-smashing control method in the embodiment of the application may be the barrier gate anti-smashing control device in the second embodiment, and the execution main body includes a laser, a camera and a processor.
The anti-smashing control method for the barrier gate comprises the following steps:
step S110, projecting a preset light spot to a specified object.
In the present embodiment, step S110 is performed by the above-described laser.
The designated object can be a wall or other object suitable for projecting the light spot, such as a projection screen which is built, and when the designated object is other objects, the projection surfaces of the other objects are flat.
The preset light spot is the light spot projected by the laser, and the physical parameters such as the shape of the preset light spot mainly depend on the laser.
And step S120, acquiring a target image with light spots.
In the present embodiment, step S120 is executed by the above-described image pickup device.
The target image with the light spots, i.e., the constituent elements of the target image, include the light spots. The light spots in the target image are not necessarily the same as the preset light spots, but may be different from the preset light spots according to the surrounding environment.
And step S130, judging whether pedestrians or/and vehicles pass through the target area according to the target image.
In the present embodiment, step S130 is executed by the processor described above.
If the pedestrian or/and the vehicle pass through the target area, executing step S140; if the target area is judged to have no pedestrian or/and vehicle passing, the process is ended.
It is understood that whether a pedestrian or/and a vehicle passes through the target area may be whether a pedestrian or/and a vehicle exists in the target area.
Optionally, when determining whether a pedestrian or/and a vehicle passes through the target area according to the target image, the determination may be made by determining whether there is a discontinuity in the light spot in the target image or by determining the length of the light spot in the target image. For example, if the light spots in the target image are discontinuous, it can be determined that pedestrians or/and vehicles pass through the target area; if the light spots in the target image are not discontinuous, the target area can be judged to have no pedestrian or/and vehicle passing.
In step S140, a control command is sent to the barrier gate to raise or stop the rod falling.
In this embodiment, step S140 is executed by the processor, and the processor is connected to the barrier in a communication manner.
When the barrier receives the control command, the gate rod is controlled to lift or stop falling according to the control command, namely the barrier lifts the rod or stops falling the rod, so as to prevent the gate rod from smashing vehicles or pedestrians.
According to the barrier gate anti-smashing control method, the preset light spots are projected to the specified object, the target image with the light spots is obtained to judge whether pedestrians or/and vehicles pass through the target area, and when the pedestrians or/and vehicles pass through the target area, the control command is sent to the barrier gate to enable the barrier gate to lift the rod or stop dropping the rod, so that the purpose of barrier gate anti-smashing is achieved.
In this embodiment, the shape of the preset light spot is a word line, that is, the laser projected on the designated object forms a straight line.
The light spot shape of the preset light spot is simple, and the preset light spot with one word line is adopted to judge whether pedestrians or/and vehicles pass through the target area or not according to the target image.
It should be noted that in other embodiments, the preset light spot may have other light spot shapes, for example, the light spot shape of the preset light spot may also have a cross shape, and the possible light spot shapes of other preset light spots are not listed here.
With reference to fig. 2 and fig. 3, fig. 2 is a schematic diagram of an initial image with light spots provided by an embodiment of the present application, fig. 3 is a schematic diagram of a target image with light spots provided by an embodiment of the present application, and fig. 3 is a schematic diagram of a target image when a pedestrian or/and a vehicle passes through a target area.
In this embodiment, the step S130 of determining whether a pedestrian or/and a vehicle passes through the target area according to the target image includes:
and judging whether pedestrians or/and vehicles pass through the target area or not according to the target image and the initial image with the light spots.
The initial image with the light spots, i.e. the constituent elements of the initial image, include the light spots, and the light spots in the initial image are the preset light spots. Typically, the initial image with the light spot is acquired in advance, pre-stored, i.e. the acquisition of the initial image with the light spot is done before the acquisition of the target image.
Optionally, when determining whether a pedestrian or/and a vehicle passes through the target area according to the target image and the initial image with the light spot, the determination may be made by determining whether the light spot in the target image is the same as the light spot in the initial image. For example, if the light spots in the target image are different from the light spots in the initial image, it can be determined that pedestrians or/and vehicles pass through the target area; if the light spots in the target image are the same as the light spots in the initial image, it can be judged that no pedestrian or/and vehicle passes through the target area.
According to the method, when whether pedestrians or/and vehicles pass through the target area or not is judged, the target image and the initial image are used for judging, and the accuracy and the efficiency of judgment are well guaranteed.
With reference to fig. 4, fig. 4 is a schematic diagram illustrating a target surrounding area of a light spot and a designated reference line in a target image according to an embodiment of the present application.
Specifically, in this embodiment, determining whether a pedestrian or/and a vehicle passes through the target area according to the target image and the initial image with the light spot includes:
calculating the target surrounding area of the light spot and the specified reference line in the target image according to a preset area calculation rule;
acquiring a reference surrounding area of a light spot and a specified reference line in an initial image with the light spot;
and judging whether pedestrians or/and vehicles pass through the target area according to the change rate of the target enclosing area relative to the reference enclosing area.
In this embodiment, a preset area calculation rule is that a horizontal line from a light spot in a target image to a specified reference line is drawn according to the head and the tail of the light spot in the target image, so as to obtain a target enclosure area of the light spot in the target image and the specified reference line, for example, refer to fig. 4, and then the target enclosure area is calculated according to the target enclosure area.
The designated reference line may be the image center line shown in fig. 2 to 4, or may be an oblique line.
In this embodiment, after the target image is acquired, the following processing may be performed on the target image:
firstly, performing matrix subtraction operation on a target image and a reference image without light spots, and filtering out other laser light spots irrelevant to the target image; performing Gaussian blur on the target image; converting the target image into an HSV color space; carrying out binarization processing on the target image in the HSV color space; then carrying out corrosion treatment and expansion treatment on the target image in sequence, and filtering out some tiny interference points; and then carrying out expansion treatment and corrosion treatment on the target image in sequence, and filling some hollow areas.
In this embodiment, the specified reference line used for calculating the target encircled area and the specified reference line used for calculating the reference encircled area are the same specified reference line.
The area of the light spot in the initial image and the reference of the designated reference line can be calculated in advance and stored in advance.
When whether pedestrians or/and vehicles pass through the target area is judged according to the change rate of the target enclosing area relative to the reference enclosing area, the judgment can be made by judging whether the change rate of the target enclosing area relative to the reference enclosing area is larger than a preset reference change rate. For example, if the change rate of the target enclosure area relative to the reference enclosure area is greater than the preset reference change rate, it can be determined that pedestrians or/and vehicles pass through the target area; if the change rate of the target enclosing area relative to the reference enclosing area is not larger than the preset reference change rate, it can be judged that no pedestrian or/and vehicle passes through the target area.
In the process, the method judges whether pedestrians or/and vehicles pass through the target area by calculating the target surrounding area and according to the change rate of the target surrounding area relative to the reference surrounding area, the judging mode is accurate, and the judging accuracy is improved.
Example two
In order to implement the corresponding method of the above embodiments to achieve the corresponding functions and technical effects, a banister smash-proof control device is provided below.
Referring to fig. 5 and fig. 6, fig. 5 is a schematic structural diagram of a barrier gate anti-smash control device provided in the embodiment of the present application, fig. 6 is a schematic usage scenario diagram of the barrier gate anti-smash control device provided in the embodiment of the present application, and the processor 230 in fig. 6 is not shown.
The banister prevents pounding controlling means of this application embodiment includes:
a laser 210 for projecting a preset spot to a designated object;
the camera 220 is used for acquiring a target image with light spots;
a processor 230, configured to determine whether a pedestrian or/and a vehicle passes through the target area according to the target image;
and the processor 230 is further configured to send a control command to the barrier to raise or stop the rod falling of the barrier when a pedestrian or/and a vehicle passes through the target area.
In this embodiment, the processor 230 may be an electronic device such as a computer or a server.
The banister prevents pounding controlling means of this application embodiment, through laser 210, camera 220 and treater 230, reaches the banister and prevents pounding's purpose, compares with prior art, and the banister prevents pounding controlling means of this application embodiment need not brake lever contact vehicle and pedestrian, just can detect out whether there is vehicle and pedestrian to pass through to, this kind of mode easily realizes, and stability is high, and environmental suitability is strong.
It should be noted that, in the barrier gate anti-smashing control device in the embodiment of the present application, the camera 220 may be disposed on the processor 230, and the camera 220 may also be a component of the processor 230, which is not specifically limited in this embodiment.
In the present embodiment, the laser 210 is a word line laser.
Optionally, the word line laser is a word line infrared laser which emits infrared rays with a wavelength of 850nm or 940 nm.
The preset light spot projected by the word line laser is in a word line, the shape of the light spot of the preset light spot is simpler, and the word line laser is adopted to facilitate the processor to judge whether pedestrians or/and vehicles pass through the target area according to the target image.
In the present embodiment, the camera 220 is provided with a visible light filter 221 and/or an infrared filter 222.
The visible light filter 221 can filter out visible light, and reduce the influence of visible light; the infrared filter 222 allows infrared light emitted from the laser 210 to pass therethrough, but does not allow infrared light having a wavelength different from that of the infrared light emitted from the laser 210 to pass therethrough, thereby reducing the influence of the infrared light in the ambient light.
The visible light filter 221 and/or the infrared filter 222 arranged on the camera 220 enable the image quality acquired by the camera 220 to be better, so that the processor 230 can better judge whether pedestrians or/and vehicles pass through the target area according to the target image.
To facilitate better image acquisition by the camera 220, in the present embodiment, the orientation of the laser 210 is parallel to the orientation of the camera 220.
It should be noted that in other embodiments, the orientation of the laser 210 may not be parallel to the orientation of the camera 220.
Optionally, the laser 210 is located at a distance from the camera 220.
In the present embodiment, when the processor 230 determines whether a pedestrian or/and a vehicle passes through the target area according to the target image,
and judging whether pedestrians or/and vehicles pass through the target area or not according to the target image and the initial image with the light spots.
When the processor 230 of the device judges whether pedestrians or/and vehicles pass through the target area, the target image and the initial image are used for judging, and the accuracy and the efficiency of the judgment are well guaranteed.
Specifically, the processor 230 determines whether a pedestrian or/and a vehicle passes through the target area according to the target image and the initial image with the light spot,
calculating the target surrounding area of the light spot and the specified reference line in the target image according to a preset area calculation rule;
acquiring a reference surrounding area of a light spot and a specified reference line in an initial image with the light spot;
and judging whether pedestrians or/and vehicles pass through the target area according to the change rate of the target enclosing area relative to the reference enclosing area.
The processor 230 of the device judges whether pedestrians or/and vehicles pass through the target area by calculating the target surrounding area and according to the change rate of the target surrounding area relative to the reference surrounding area, and the judging mode is accurate, so that the judging accuracy is improved.
The barrier gate anti-smashing control device can implement the barrier gate anti-smashing control method of the first embodiment. The alternatives in the first embodiment are also applicable to the present embodiment, and are not described in detail here.
The rest of the embodiments of the present application may refer to the contents of the first embodiment, and in this embodiment, details are not repeated.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. A banister smash-proof control method is characterized by comprising the following steps:
projecting preset light spots to a specified object;
acquiring a target image with light spots;
judging whether pedestrians or/and vehicles pass through the target area according to the target image;
if yes, a control command is sent to the barrier gate so that the barrier gate lifts the rod or stops dropping the rod.
2. The banister smash-proof control method according to claim 1, wherein the shape of the light spot of the preset light spot is a word line.
3. The banister anti-smashing control method according to claim 1, wherein the step of judging whether pedestrians or/and vehicles pass through a target area according to the target image comprises the steps of:
and judging whether pedestrians or/and vehicles pass through the target area or not according to the target image and the initial image with the light spots.
4. The banister smash-proof control method according to claim 3, wherein the shape of the light spot of the preset light spot is a word line;
the step of judging whether pedestrians or/and vehicles pass through the target area according to the target image and the initial image with the light spots comprises the following steps:
calculating the target surrounding area of the light spot and the specified reference line in the target image according to a preset area calculation rule;
acquiring a reference surrounding area of a light spot and a specified reference line in an initial image with the light spot;
and judging whether pedestrians or/and vehicles pass through the target area according to the change rate of the target enclosing area relative to the reference enclosing area.
5. The utility model provides a banister prevents pounding controlling means which characterized in that includes:
the laser is used for projecting preset light spots to a specified object;
the camera is used for acquiring a target image with light spots;
the processor is used for judging whether pedestrians or/and vehicles pass through the target area according to the target image;
the processor is further used for sending a control command to the barrier gate when pedestrians or/and vehicles pass through the target area, so that the barrier gate lifts the rod or stops dropping the rod.
6. The device of claim 5, wherein the laser is a linear laser.
7. The device for controlling the gate anti-smashing according to claim 5, wherein the processor is used for judging whether pedestrians or/and vehicles pass through a target area according to the target image,
and judging whether pedestrians or/and vehicles pass through the target area or not according to the target image and the initial image with the light spots.
8. The device of claim 7, wherein said laser is a linear laser;
the processor judges whether pedestrians or/and vehicles pass through the target area according to the target image and the initial image with the light spots,
calculating the target surrounding area of the light spot and the specified reference line in the target image according to a preset area calculation rule;
acquiring a reference surrounding area of a light spot and a specified reference line in an initial image with the light spot;
and judging whether pedestrians or/and vehicles pass through the target area according to the change rate of the target enclosing area relative to the reference enclosing area.
9. The device for controlling the gate to prevent smashing according to claim 5, wherein a visible light filter and/or an infrared filter is arranged on the camera.
10. The device for controlling the gate to prevent smashing according to claim 5, wherein the orientation of the laser is parallel to the orientation of the camera.
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| CN201911280259.5A CN110969140A (en) | 2019-12-12 | 2019-12-12 | Anti-smashing control method and device for barrier gate |
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