CN110942639A - Parking lot gate control method and system - Google Patents
Parking lot gate control method and system Download PDFInfo
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- CN110942639A CN110942639A CN201911006871.3A CN201911006871A CN110942639A CN 110942639 A CN110942639 A CN 110942639A CN 201911006871 A CN201911006871 A CN 201911006871A CN 110942639 A CN110942639 A CN 110942639A
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- gate
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
- G08G1/0175—Detecting movement of traffic to be counted or controlled identifying vehicles by photographing vehicles, e.g. when violating traffic rules
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Abstract
The invention discloses a parking lot gate control method and a parking lot gate control system, wherein the method comprises the following steps: when a vehicle approaches a gate of a parking lot, acquiring a vehicle image in real time through a video acquisition device; judging whether the image edge of the vehicle image is crossed with a reference line; if so, judging that the vehicle reaches the designated position, and controlling the gate to be opened; if not, the closing state of the gate is maintained. According to the method provided by the invention, a ground induction coil is not required to be arranged in the parking lot, a large amount of construction and subsequent maintenance cost is saved, the realization algorithm for the intersection between the vehicle image and the reference line is simple, the response speed of the gate system of the parking lot is increased, the speed of the vehicle entering and exiting the gate is increased, the user experience is improved, and in addition, the triggering rate and the recognition rate are greatly improved through the method provided by the invention.
Description
Technical Field
The application relates to the technical field of electronics, in particular to a parking lot gate control method and system.
Background
With the development of economy, the traffic flow is increasing day by day, and the matching requirements of parking, road order management and charging management are also increasing rapidly. These managements are based on the recognition of the vehicle, and the subsequent action can be triggered after the recognition, such as a body parking lot system, a parking lot is generally provided with a gate, and the current implementation scheme is to set ground induction coils in front of and behind the gate and under the ground. The ground induction coil induces the metal object passing above. In this manner, it is determined whether the vehicle has arrived at the gate and whether the vehicle has left the gate.
The ground induction coil has high triggering rate and stable performance; but the disadvantages are that the ground needs to be cut and the coil is laid, and the construction amount is large. There are of course also misjudgment modes, for example an iron dolly can also be triggered, although this will not lead to serious consequences.
In order to solve the problem of the ground induction coil, a video triggering mode is applied to a parking lot, and the video triggering mode means that a license plate recognition system adopts a dynamic moving target sequence image analysis processing technology to detect the moving condition of vehicles on a lane in real time, capture vehicle images when the vehicles pass, recognize license plates and perform subsequent processing. The video trigger mode does not require the use of coils, infrared or other hardware vehicle detectors. The method has the advantages of convenient construction, no need of cutting ground and laying coils, no need of installing parts such as a vehicle detector and the like, but also has obvious defects, and because of the algorithm limit of the current video triggering mode, the triggering rate and the recognition rate are much lower than those of the ground induction coil triggering.
Disclosure of Invention
The invention provides a parking lot gate control method and system, which are used for solving the problem that the triggering rate and the recognition rate of the current parking lot gate in the prior art are much lower than those of the ground induction coil triggering through the algorithm limit of a video triggering mode.
The specific technical scheme is as follows:
a parking lot gate control method, the method comprising:
when a vehicle approaches a gate of a parking lot, acquiring a vehicle image in real time through a video acquisition device;
judging whether the image edge of the vehicle image is crossed with a reference line;
if so, judging that the vehicle reaches the designated position, and controlling the gate to be opened;
if not, the closing state of the gate is maintained.
Optionally, judging whether the image edge of the vehicle image intersects with the reference line, specifically:
determining the edge of a head image of a vehicle in the vehicle image;
and judging whether the edge of the head image is crossed with the reference line.
Optionally, after determining that the vehicle reaches the designated position and controlling the gate to be opened, the method further includes:
analyzing the vehicle image acquired in real time and determining whether the vehicle image is separated from the reference line;
if so, judging that the vehicle leaves, and controlling the gate to be closed;
if not, the opening state of the gate is maintained.
Optionally, before the vehicle image is captured in real time by the video capturing device, the method further includes:
identifying a reference line in the acquired image;
and correcting the reference line according to a preset parameter, and taking the corrected reference line as a reference line for positioning.
A parking lot gate control system, the system comprising:
the gate machine comprises a gate machine body and a control box, wherein the gate machine body comprises a gate machine and a control box;
the gate subsystem is arranged in the control box and used for controlling a gate;
the camera is arranged at the position of an entrance and an exit of the parking lot and is used for acquiring images;
and the image shooting and recording processing subsystem is arranged in the control box and is used for carrying out image processing and analysis.
Optionally, a reference line is arranged on the camera, and the reference line is transversely arranged.
Optionally, the camera sets up in the position of 2 meters apart from ground, camera lens axle center is horizontal 15 degrees and vertical 15 degrees contained angles in the lane central line.
Optionally, the gate subsystem is specifically configured to acquire a vehicle image in real time through the video acquisition device when the vehicle approaches the gate of the parking lot; judging whether the image edge of the vehicle image is crossed with a reference line; if so, judging that the vehicle reaches the designated position, and controlling the gate to be opened; if not, the closing state of the gate is maintained.
Optionally, the gate subsystem is specifically configured to determine an edge of a head image of the vehicle in the vehicle image; and judging whether the edge of the head image is crossed with the reference line.
Optionally, the gate subsystem is further configured to analyze a vehicle image acquired in real time, and determine whether the vehicle image is separated from the reference line; if so, judging that the vehicle leaves, and controlling the gate to be closed; if not, the opening state of the gate is maintained.
According to the method provided by the invention, a ground induction coil is not required to be arranged in the parking lot, a large amount of construction and subsequent maintenance cost is saved, the realization algorithm for the intersection between the vehicle image and the reference line is simple, the response speed of the gate system of the parking lot is increased, the speed of the vehicle entering and exiting the gate is increased, the user experience is improved, and in addition, the triggering rate and the recognition rate are greatly improved through the method provided by the invention.
Drawings
FIG. 1 is a flowchart illustrating a method for controlling gates of a parking lot according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a camera acquiring an image according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a parking lot gate control system according to an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention are described in detail with reference to the drawings and the specific embodiments, and it should be understood that the embodiments and the specific technical features in the embodiments of the present invention are merely illustrative of the technical solutions of the present invention, and are not restrictive, and the embodiments and the specific technical features in the embodiments of the present invention may be combined with each other without conflict.
Fig. 1 is a flowchart illustrating a method for controlling a parking lot gate according to an embodiment of the present invention, where the method includes:
s1, when the vehicle approaches the gate of the parking lot, the image of the vehicle is collected in real time through the video collecting device;
s2, judging whether the image edge of the vehicle image intersects the reference line;
specifically, the reference line is set as shown in fig. 2, and in the schematic diagram shown in fig. 2, the reference line is located at a designated position of the image, and thus may be set in a fixed color in order for the reference line to be accurately recognized. When the image is collected, the reference line is collected in real time, and the reference line is identified in the collected image; and correcting the reference line according to a preset parameter, and taking the corrected reference line as a reference line for positioning.
When the vehicle image is acquired, at the moment, the vehicle enters the acquisition range of the image acquisition device, the system determines the edge of the head image of the vehicle in the vehicle image, and judges whether the edge of the head image intersects with the reference line or not, wherein the intersection description is that the vehicle crosses the reference line. If the vehicle has crossed the reference line, go to step S3; if the vehicle does not cross the reference line, step S4 is executed.
S3, judging that the vehicle reaches the designated position, and controlling the gate to be opened;
and S4, maintaining the closing state of the gate.
Further, after the vehicle is judged to reach the designated position and the gate is controlled to be opened, the system continues to acquire images of the vehicle, analyzes the images of the vehicle acquired in real time, determines whether the images of the vehicle are analyzed with the reference line, judges that the vehicle leaves and controls the gate to be closed if the images of the vehicle and the reference line are analyzed, and maintains the opening state of the gate if the images of the vehicle and the reference line are not analyzed. That is to say, when the vehicle enters and leaves, the system collects images in real time, and when the analysis shows that the vehicle images are separated from the reference line, the vehicle is indicated to have driven away from the corresponding detection area, and at the moment, the system closes the gate.
According to the method provided by the invention, a ground induction coil is not required to be arranged in the parking lot, a large amount of construction and subsequent maintenance cost is saved, the realization algorithm for the intersection between the vehicle image and the reference line is simple, the response speed of the gate system of the parking lot is increased, the speed of the vehicle entering and exiting the gate is increased, the user experience is improved, and in addition, the triggering rate and the recognition rate are greatly improved through the method provided by the invention.
Further, an embodiment of the present invention further provides a parking lot gate control system, and as shown in fig. 3, the parking lot gate control system in the embodiment of the present invention is schematically configured, and the system includes:
a gate main body 301 including a gate and a control box;
a gate subsystem 302 arranged in the control box, the gate subsystem being used for controlling a gate;
the camera 303 is arranged at the position of an entrance and an exit of the parking lot and is used for collecting images;
and the image shooting and recording processing subsystem 304 is arranged in the control box and is used for carrying out image processing and analysis.
Further, in the embodiment of the present invention, a reference line is disposed on the camera 303, and the reference line is a reference line disposed in a transverse direction.
Further, in the embodiment of the present invention, the camera 303 is disposed at a position 2 meters away from the ground, and the axis of the camera lens forms an included angle of 15 degrees in the horizontal direction and 15 degrees in the vertical direction with respect to the center line of the lane.
Further, in the embodiment of the present invention, the gate subsystem 302 is specifically configured to acquire an image of a vehicle in real time through a video acquisition device when the vehicle approaches a gate of a parking lot; judging whether the image edge of the vehicle image is crossed with a reference line; if so, judging that the vehicle reaches the designated position, and controlling the gate to be opened; if not, the closing state of the gate is maintained.
Further, in the embodiment of the present invention, the gate subsystem 302 is specifically configured to determine an edge of a head image of a vehicle in the vehicle image; and judging whether the edge of the head image is crossed with the reference line.
Further, in the embodiment of the present invention, the gate subsystem 302 is further configured to analyze a vehicle image acquired in real time, and determine whether the vehicle image is separated from the reference line; if so, judging that the vehicle leaves, and controlling the gate to be closed; if not, the opening state of the gate is maintained.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the application, including the use of specific symbols, labels, or other designations to identify the vertices.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. A parking lot gate control method, the method comprising:
when a vehicle approaches a gate of a parking lot, acquiring a vehicle image in real time through a video acquisition device;
judging whether the image edge of the vehicle image is crossed with a reference line;
if so, judging that the vehicle reaches the designated position, and controlling the gate to be opened;
if not, the closing state of the gate is maintained.
2. The method according to claim 1, wherein determining whether an image edge of the vehicle image intersects a reference line is by:
determining the edge of a head image of a vehicle in the vehicle image;
and judging whether the edge of the head image is crossed with the reference line.
3. The method of claim 1, wherein after determining that the vehicle has reached the designated location and controlling the gate to open, the method further comprises:
analyzing the vehicle image acquired in real time and determining whether the vehicle image is separated from the reference line;
if so, judging that the vehicle leaves, and controlling the gate to be closed;
if not, the opening state of the gate is maintained.
4. The method of claim 1, wherein prior to capturing the vehicle image in real-time by the video capture device, the method further comprises:
identifying a reference line in the acquired image;
and correcting the reference line according to a preset parameter, and taking the corrected reference line as a reference line for positioning.
5. A parking lot gate control system, the system comprising:
the gate machine comprises a gate machine body and a control box, wherein the gate machine body comprises a gate machine and a control box;
the gate subsystem is arranged in the control box and used for controlling a gate;
the camera is arranged at the position of an entrance and an exit of the parking lot and is used for acquiring images;
and the image shooting and recording processing subsystem is arranged in the control box and is used for carrying out image processing and analysis.
6. The system of claim 5, wherein the camera head has a reference line disposed thereon, the reference line being a transversely disposed reference line.
7. The system of claim 5, wherein the camera is positioned 2 meters from the ground, and the camera lens axis is oriented at an angle of 15 degrees in the transverse direction and 15 degrees in the longitudinal direction with respect to the lane centerline.
8. The system of claim 5, wherein the gate subsystem is configured to capture images of the vehicle in real time via the video capture device, particularly when the vehicle is approaching a parking lot gate; judging whether the image edge of the vehicle image is crossed with a reference line; if so, judging that the vehicle reaches the designated position, and controlling the gate to be opened; if not, the closing state of the gate is maintained.
9. The system of claim 5, wherein the gate subsystem is specifically configured to determine an edge of a head image of the vehicle in the vehicle image; and judging whether the edge of the head image is crossed with the reference line.
10. The system of claim 5, wherein the gate subsystem is further configured to analyze the vehicle image collected in real time and determine whether the vehicle image is separated from the reference line; if so, judging that the vehicle leaves, and controlling the gate to be closed; if not, the opening state of the gate is maintained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911006871.3A CN110942639A (en) | 2019-10-22 | 2019-10-22 | Parking lot gate control method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911006871.3A CN110942639A (en) | 2019-10-22 | 2019-10-22 | Parking lot gate control method and system |
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| CN110942639A true CN110942639A (en) | 2020-03-31 |
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| CN201911006871.3A Pending CN110942639A (en) | 2019-10-22 | 2019-10-22 | Parking lot gate control method and system |
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Citations (6)
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|---|---|---|---|---|
| US7471189B2 (en) * | 2003-01-30 | 2008-12-30 | Facility Parking Europe Ab | Vehicle id |
| CN104299416A (en) * | 2014-09-29 | 2015-01-21 | 浙江宇视科技有限公司 | Automatic parking space locking method and system based on video license plate detection |
| CN106297307A (en) * | 2016-09-30 | 2017-01-04 | 防城港市港口区高光信息技术有限公司 | A kind of community parking course management system |
| CN205943104U (en) * | 2016-07-21 | 2017-02-08 | 江苏南大尚诚高科技实业有限公司 | Parking auxiliary system |
| CN205999825U (en) * | 2016-05-26 | 2017-03-08 | 深圳市蓝川科技有限公司 | A kind of Car license recognition banister all-in-one |
| CN109727484A (en) * | 2019-02-27 | 2019-05-07 | 北京猎户智芯科技有限公司 | A kind of virtual road brake system for parking lot room entry/exit management |
-
2019
- 2019-10-22 CN CN201911006871.3A patent/CN110942639A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7471189B2 (en) * | 2003-01-30 | 2008-12-30 | Facility Parking Europe Ab | Vehicle id |
| CN104299416A (en) * | 2014-09-29 | 2015-01-21 | 浙江宇视科技有限公司 | Automatic parking space locking method and system based on video license plate detection |
| CN205999825U (en) * | 2016-05-26 | 2017-03-08 | 深圳市蓝川科技有限公司 | A kind of Car license recognition banister all-in-one |
| CN205943104U (en) * | 2016-07-21 | 2017-02-08 | 江苏南大尚诚高科技实业有限公司 | Parking auxiliary system |
| CN106297307A (en) * | 2016-09-30 | 2017-01-04 | 防城港市港口区高光信息技术有限公司 | A kind of community parking course management system |
| CN109727484A (en) * | 2019-02-27 | 2019-05-07 | 北京猎户智芯科技有限公司 | A kind of virtual road brake system for parking lot room entry/exit management |
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Application publication date: 20200331 |
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