CN110264732B - Vehicle passage detection system - Google Patents
Vehicle passage detection system Download PDFInfo
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- CN110264732B CN110264732B CN201910546683.3A CN201910546683A CN110264732B CN 110264732 B CN110264732 B CN 110264732B CN 201910546683 A CN201910546683 A CN 201910546683A CN 110264732 B CN110264732 B CN 110264732B
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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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- 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
- G08G1/056—Detecting movement of traffic to be counted or controlled with provision for distinguishing direction of travel
Abstract
The utility model provides a vehicle passageway detecting system relates to electronic information technical field, can solve the vehicle and drive into the passageway and when rolling off again, cause the problem of abnormal record. The vehicle passage detection system includes: the system comprises a vehicle passage detection device, a management device and a first license plate identifier, wherein the vehicle passage detection device is in communication connection with the management device, and the first license plate identifier is in communication connection with the management device; when recognizing that a target vehicle enters a target passage of a vehicle access place, the first license plate recognition instrument transmits a vehicle recognition result to the management device; the vehicle passage detection device detects the leaving direction of the target vehicle and transmits the detection result to the management device; and the management device determines the leaving direction of the target vehicle according to the detection result, and determines that the target vehicle does not exit the target channel when the leaving direction and the advancing direction of the target vehicle indicated by the detection result are not consistent. The present disclosure is for vehicle lane detection.
Description
Technical Field
The present disclosure relates to the field of electronic information technology, and more particularly, to a vehicle passage detection system.
Background
At present, the number of vehicles is more and more, and for convenience of management, license plate recognition devices are installed on vehicle access passages in many vehicle access places to recognize license plate numbers and record time for accessing a parking lot, but sometimes the vehicles enter the vehicle access passages, and exit the vehicle access passages after being recognized by a recognition instrument, and at the moment, abnormal vehicle access occurs; or when the vehicle enters the exit passage, the recognition instrument recognizes that the vehicle exits the exit passage again, the vehicle is abnormally exited at the moment, and when the vehicle exits again, the vehicle cannot be exited normally because of no record of the entrance place.
Disclosure of Invention
The embodiment of the disclosure provides a vehicle channel detection system, which can solve the problem of abnormal recording caused when a vehicle enters a channel and exits. The technical scheme is as follows:
according to a first aspect of embodiments of the present disclosure, there is provided a vehicle passage detection system including: the system comprises a vehicle passage detection device, a management device and a first license plate identifier, wherein the vehicle passage detection device is in communication connection with the management device, and the first license plate identifier is in communication connection with the management device;
when recognizing that a target vehicle enters a target passage of a vehicle access place, the first license plate recognition instrument transmits a vehicle recognition result to the management device;
the vehicle channel detection device detects the leaving direction of a target vehicle and transmits a detection result to the management device, the leaving direction of the target vehicle is the direction in which the target vehicle drives away from the target channel after entering the target channel, and the detection result is used for judging the leaving direction of the target vehicle;
the management device receives the vehicle identification result transmitted by the first license plate identification instrument and the detection result transmitted by the vehicle channel detection device, determines the leaving direction of the target vehicle according to the detection result, and determines that the target vehicle does not exit the target channel when the leaving direction and the advancing direction of the target vehicle indicated by the detection result are not consistent, wherein the advancing direction is the entering direction of the target vehicle when the target vehicle enters the target channel.
After the target vehicle enters the target passage, whether the target vehicle finally exits the target passage is detected, if the target vehicle does not exit the target passage, the target vehicle does not enter or exit the vehicle entrance and exit place again because of detection, and the vehicle management efficiency of the vehicle entrance and exit place is improved.
In one embodiment, a vehicle passage detection apparatus includes: the second license plate identifier is in communication connection with the management device;
the second license plate identifier acquires a first image of the target vehicle at a first moment, acquires a second image of the target vehicle at a second moment, generates a first detection result, and transmits the first detection result to the management device, wherein the first detection result comprises the first moment, the first image, the second moment and the second image; the first moment is the moment after the target vehicle enters the target channel; the second time is after the first time;
the management device determines the departure direction of the target vehicle based on the first detection result.
In one embodiment, the management apparatus determines the departure direction of the subject vehicle as the advancing direction when the size of the subject image element in the first image is smaller than the subject image element in the second image.
In one embodiment, a vehicle passage detection apparatus includes: the first detection device and the second detection device are respectively in communication connection with the management device;
the first detection device sends first detection information to the management device after detecting that the target vehicle passes, wherein the first detection information is used for indicating that the first detection device detects that the target vehicle passes and is also used for indicating the time when the target vehicle passes through the first detection device;
after the second detection device detects that the target vehicle passes through the second detection device, sending second detection information to the management device, wherein the second detection information is used for indicating that the second detection device detects that the target vehicle passes through the second detection device and indicating the time when the target vehicle passes through the second detection device;
the management device determines the direction of departure of the target vehicle based on the first detection information and the second detection information.
In one embodiment, a vehicle passage detection apparatus includes: a first detection device and a second detection device;
the first detection device sends a first detection signal to the management device after detecting that the target vehicle passes, wherein the first detection signal is used for indicating that the first detection device detects that the target vehicle passes;
after the second detection device detects that the target vehicle passes through, sending a second detection signal to the management device, wherein the second detection signal is used for indicating that the second detection device detects that the target vehicle passes through;
the management device receives the first detection signal and records the time of receiving as a first moment; and receiving the second detection signal, recording the receiving time as a second moment, and determining the leaving direction of the target vehicle according to the first moment and the second moment.
In one embodiment, the vehicle passage detection system further comprises: the anti-smashing triggering device is arranged at the outlet of the target channel and is in communication connection with the management device;
and after detecting that the target vehicle passes through the anti-smashing triggering device, the anti-smashing triggering device sends a vehicle passing signal to the management device, and the vehicle passing signal is used for indicating that the target vehicle passes through the anti-smashing triggering device.
In one embodiment, the management device determines that the target vehicle exits the target channel according to the passing signal transmitted by the anti-smashing triggering device.
In one embodiment, the vehicle passage detection system further comprises: the barrier gate control device is in communication connection with the management device;
the management device sends a control instruction to the barrier gate control device according to the smash-proof trigger device, wherein the control instruction is used for indicating to close the barrier gate;
and the barrier gate control device controls the barrier gate to be closed according to the control instruction.
In one embodiment, the management device determines that the target vehicle does not exit the target passage when determining that the leaving direction and the advancing direction of the target vehicle are not consistent and the passing signal sent by the anti-smashing triggering device is not received within a preset time period.
In one embodiment, the management device determines that the target vehicle exits the target channel when determining that the leaving direction and the advancing direction of the target vehicle are consistent and receiving the passing signal sent by the smash-proof trigger device within a preset time period.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
FIG. 1 is a block diagram of a vehicle lane detection system provided by an embodiment of the present disclosure;
FIG. 2 is a schematic view of a target vehicle in a departure direction provided by embodiments of the present disclosure;
FIG. 3 is a schematic view of a forward direction of a target vehicle provided by an embodiment of the present disclosure;
FIG. 4 is a block diagram of a vehicle lane detection system provided by an embodiment of the present disclosure;
fig. 5 is a schematic diagram illustrating a vehicle passage detection effect provided by the embodiment of the disclosure;
FIG. 6 is a block diagram of a vehicle lane detection system provided by an embodiment of the present disclosure;
fig. 7 is a schematic diagram illustrating a vehicle passage detection effect provided by the embodiment of the disclosure;
FIG. 8 is a block diagram of a vehicle lane detection system provided by an embodiment of the present disclosure;
fig. 9 is a block diagram of a vehicle passage detection system according to an embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The disclosed embodiment provides a vehicle passage detection system 10, as shown in fig. 1, fig. 1 is a vehicle passage detection system 10 provided by the disclosed embodiment, and the vehicle passage detection system 10 includes: the system comprises a vehicle passage detection device 101, a management device 102 and a first license plate identifier 103, wherein the vehicle passage detection device 101 is in communication connection with the management device 102, and the first license plate identifier 103 is in communication connection with the management device 102;
when recognizing that the target vehicle enters a target passage of a vehicle access place, the first license plate recognition instrument 103 transmits a vehicle recognition result to the management device 102;
the vehicle channel detection device 101 detects the leaving direction of a target vehicle, and transmits a detection result to the management device 102, wherein the leaving direction of the target vehicle is the direction in which the target vehicle drives away from the target channel after entering the target channel, and the detection result is used for judging the leaving direction of the target vehicle;
the management device 102 receives the vehicle identification result transmitted by the first license plate identifier 103 and the detection result transmitted by the vehicle passage detection device 101, determines the leaving direction of the target vehicle according to the detection result, and determines that the target vehicle does not exit the target passage when the leaving direction and the advancing direction of the target vehicle indicated by the detection result are not consistent, and the advancing direction is the direction in which the target vehicle enters the target passage.
The first license plate identifier 103 and the vehicle passage detecting device 101 may be integrated into one device, or may be two independent devices, which are defined in the present disclosure to implement different functions, and the integration manner of the two devices is not limited in the present disclosure.
The exit direction of the target vehicle is a direction in which the target vehicle enters the target lane and then travels away from the target lane. I.e., the direction of departure of the target vehicle after entering the target aisle, as shown in fig. 2, fig. 2 shows two departure directions of the target vehicle, and the departure direction of the target vehicle in fig. 2a is the direction of departure from the target aisle along the direction of departure, i.e., is consistent with the direction of travel of the target vehicle entering the target aisle; the departure direction of the target vehicle in fig. 2b is opposite to the entry direction and exits the target lane, and in general, the departure direction indicated in fig. 2b is in reverse gear and exits the target lane.
The forward direction of the target vehicle is a direction approaching the target passage when the target vehicle enters the target passage, as shown in fig. 3, fig. 3 is a schematic forward direction diagram of a target vehicle provided by an embodiment of the present disclosure. Fig. 3 shows the advancing direction of the target vehicle when the target vehicle is driving towards the target passage, i.e. the direction of the target vehicle approaching the target passage when the target vehicle enters the target passage, and the advancing direction of the target vehicle is the direction of the target passage after the target vehicle passes through the target passage and exits the target passage. The target vehicle may be driven to the target lane in the forward gear or may be driven to the target lane in the reverse gear, and the forward gear and the reverse gear do not affect the forward direction of the target vehicle.
There are various ways to determine the direction of departure of the target vehicle, and here, two specific examples are given for explanation.
In a first example, as shown in fig. 4, a vehicle passage detection device 101 includes: the second license plate identifier 1011, the second license plate identifier 1011 is in communication connection with the management device 102, or the vehicle passage detection device 101 may be a license plate identifier;
the second license plate identifier 1011 acquires a first image of the target vehicle at a first time, acquires a second image of the target vehicle at a second time, generates a first detection result, and transmits the first detection result to the management device 102, wherein the first detection result comprises the first time, the first image, the second time and the second image; the first moment is the moment after the target vehicle enters the target channel; the second time is after the first time;
the management device 102 determines the direction of departure of the target vehicle based on the first detection result.
It should be noted that the first license plate identifier 103 and the second license plate identifier 1011 may be the same license plate identifier or two separate license plate identifiers, which is not limited in this disclosure.
Alternatively, in one embodiment, the management apparatus 102 determines that the departure direction of the target vehicle is the forward direction when the size of the target image element in the first image is smaller than the target image element in the second image.
Based on the first example, in an application scenario, the second license plate identifier 1011 may be disposed at an entrance of the target passageway, or at an intermediate position of the target passageway, or at an exit of the target passageway, which is not limited by the present disclosure. Taking the second license plate identifier 1011 disposed at the exit of the target lane as an example, as shown in fig. 5, fig. 5 is a schematic diagram of a vehicle lane detection effect provided by an embodiment of the present disclosure, where the target lane may be a vehicle exit lane of a vehicle entering and exiting place, a barrier of the target lane is located in the middle of the target lane, after the target vehicle enters the target lane, the barrier is opened, when the target lane passes through the target barrier, the second license plate identifier 1011 disposed at the exit of the target lane acquires a first image of the target vehicle, when the target vehicle reaches the exit of the target lane, the second license plate identifier 1011 acquires a second image of the target vehicle, and the exit direction of the target vehicle can be determined according to the size of the target vehicle in the first image and the second image.
For example, the target image element may be a target vehicle, or a license plate, or a wiper blade, etc., which is not limited by this disclosure. Taking the example that the target image element is the target vehicle, the size of the target vehicle in the first image is smaller than that of the target vehicle in the second image, it can be determined that the target vehicle is close to the second license plate identifier 1011, that is, the leaving direction and the advancing direction of the target vehicle are consistent, and the anti-smashing triggering device 104 is triggered after passing through the exit of the target passage, at this time, the target vehicle has completely passed through the barrier gate, and the barrier gate of the target passage can be closed. If the size of the target vehicle in the first image is larger than that in the second image, it can be determined that the target vehicle is far away from the second license plate identifier 1011, that is, the leaving direction and the advancing direction of the target vehicle are not consistent, and it is determined that the target vehicle does not pass through the target passage.
In the second example, the leaving direction may be determined by two detection devices, as shown in fig. 6, the vehicle passage detection device 101 includes: a first detecting device 1012 and a second detecting device 1013, wherein the first detecting device 1012 and the second detecting device 1013 are respectively connected with the management device 102 in a communication way;
after the first detection device 1012 detects that the target vehicle passes through, the first detection device 1012 sends first detection information to the management device 102, where the first detection information is used to indicate that the first detection device 1012 detects that the target vehicle passes through and also used to indicate the time when the target vehicle passes through the first detection device 1012;
after the second detecting device 1013 detects the passage of the target vehicle, sending second detection information to the management device 102, the second detection information being used for indicating that the second detecting device 1013 detects the passage of the target vehicle and indicating the time when the target vehicle passes through the second detecting device 1013;
the management device 102 determines the direction of departure of the target vehicle based on the first detection information and the second detection information.
In the third example, the leaving direction may be determined by two detection devices, as shown in fig. 6, the vehicle passage detection device 101 includes: a first detecting means 1012 and a second detecting means 1013;
after the first detection device 1012 detects that the target vehicle passes through, sending a first detection signal to the management device 102, where the first detection signal is used to indicate that the first detection device 1012 detects that the target vehicle passes through;
after the second detecting device 1013 detects the passage of the target vehicle, the second detecting device 102 sends a second detecting signal to indicate that the second detecting device 1013 detects the passage of the target vehicle;
the management apparatus 102 receives the first detection signal and records the time of reception as a first time; and receiving the second detection signal, recording the receiving time as a second moment, and determining the leaving direction of the target vehicle according to the first moment and the second moment.
For example, the first time is earlier than the second time, the direction of departure of the target vehicle is from the first detecting device 1012 to the second detecting device 1013; the first time is later than the second time, the direction of departure of the target vehicle is from the second detecting device 1013 to the first detecting device 1012.
It should be noted that the first detecting device 1012 and the second detecting device 1013 may be a geomagnetic sensing device, an infrared sensing device, a license plate recognizer, and the like, and the disclosure is not limited thereto.
Based on the first example, in one application scenario, the direction of departure of the target vehicle is determined from the times at which the first detection signal and the second detection signal are acquired. As shown in fig. 7, fig. 7 is a schematic diagram illustrating a detection effect of a vehicle passage according to an embodiment of the present disclosure, in this embodiment, a target passage may be a vehicle exit passage of a vehicle entering and exiting a location, and the first detecting device 1012 and the second detecting device 1013 may be infrared sensing devices. The first detecting device 1012 may be disposed at an entrance of the target passageway, the second detecting device 1013 is disposed at a barrier of the target passageway, and the target vehicle may pass through the first detecting device 1012 and pass through the second detecting device 1013, so as to exit from the vehicle entrance/exit place. When a target vehicle enters a target channel, a barrier is opened, when the target vehicle passes through a first detection device 1012, the vehicle channel detection device 101 acquires a first detection signal, then the target vehicle passes through the barrier, when the target vehicle passes through a second detection device 1013, the vehicle channel detection device 101 acquires a second detection signal, the first detection signal is earlier than the second detection signal, it is determined that the target vehicle exits the target channel, when the target vehicle exits the target channel, the smash-proof trigger device 104 is triggered, and at this time, the barrier is closed. If the target vehicle backs up at the barrier, the vehicle detection device firstly acquires the second detection signal of the second detection device 1013 at the barrier and then acquires the first detection signal of the first detection device 1012 at the entrance of the target passage, so that the departure direction and the advancing direction of the target vehicle can be determined to be inconsistent, and the target vehicle is determined not to pass through the target passage.
Of course, this is merely an example, and the principle of the subject vehicle passing through the vehicle entrance lane and the vehicle exit lane of the vehicle entrance and exit site is the same.
In one embodiment, as shown in fig. 8, the vehicle passage detection system 10 further includes: the anti-smashing triggering device 104 is arranged at the outlet of the target channel, and the anti-smashing triggering device 104 is in communication connection with the management device 102;
after detecting that the target vehicle passes through, the anti-smashing triggering device 104 sends a vehicle passing signal to the management device 102, where the vehicle passing signal is used to indicate that the target vehicle passes through the anti-smashing triggering device 104.
The anti-pound triggering device 104 may be used to determine whether the target vehicle passes through the target passage, and may also be used to prevent the vehicle from being collided by the barrier, and two specific application scenarios are listed here for description:
in a first application scenario, the management device 102 determines that the target vehicle exits the target lane according to the passing signal transmitted by the anti-pound trigger device 104.
Further, whether the target vehicle passes through the target passage may be determined through a combination of a plurality of conditions, for example, in one embodiment, the management device 102 determines that the target vehicle does not exit the target passage when determining that the leaving direction and the advancing direction of the target vehicle are not consistent and the passing signal sent by the anti-pound trigger device 104 is not received within a preset time period.
For another example, in another embodiment, the management device 102 determines that the target vehicle exits the target lane when determining that the departure direction and the advancing direction of the target vehicle are consistent and receiving the passing signal sent by the anti-smashing triggering device 104 within a preset time period.
Based on a first application scene, taking the example of determining the driving direction of a target vehicle through the second license plate recognizer 1011, when the target vehicle enters a vehicle entering and exiting place, the second license plate recognizer 1011 recognizes the driving direction of the target vehicle as a forward direction, if the vehicle keeps the forward direction to drive out of the recognition area of the second license plate recognizer 1011 all the time and triggers the entrance smash-proof trigger device 104, it is determined that the target vehicle enters the vehicle entering and exiting place, and the current license plate number and the entrance time are recorded as the entrance record of the target vehicle; if the vehicle backs in the midway, the second license plate recognizer 1011 recognizes that the leaving direction and the advancing direction of the target vehicle are inconsistent, and the entering smash-proof trigger device 104 is not triggered, and the target vehicle is judged not to enter;
when the target vehicle is driven out of the vehicle access place, the second license plate identifier 1011 identifies the driving direction of the target vehicle as the advancing direction, if the vehicle keeps the advancing direction to be driven out of the identification area of the second license plate identifier 1011 all the time, the target vehicle is confirmed to be driven out of the vehicle access place, and the current license plate number and the departure time are identified and recorded as the departure record of the target vehicle; if the vehicle does not trigger the anti-smashing triggering device 104 and moves backwards in the midway, the second license plate recognition instrument 1011 recognizes that the leaving direction and the advancing direction of the target vehicle are not consistent, and the state mark of the target vehicle still keeps the original non-leaving mark.
In a second application scenario, as shown in fig. 9, the vehicle passage detection system 10 further includes: a barrier control device 105, the barrier control device 105 being in communication connection with the management device 102;
the management device 102 sends a control instruction to the barrier gate control device 105 according to the smash-proof trigger device 104, wherein the control instruction is used for indicating to close the barrier gate; the barrier gate control device 105 controls the barrier gate to close according to the control command.
The barrier control means 105 may comprise a barrier, i.e. the barrier and the barrier control means 105 are one and the same device, or the barrier control means 105 and the barrier are two separate devices, the barrier control means 105 being in communication with the barrier.
The vehicle passage detection system 10 provided by the embodiment of the present disclosure detects whether the target vehicle finally exits from the target passage after the target vehicle enters the target passage, and if the target vehicle does not exit from the target passage, because the target vehicle has been detected, the target vehicle does not enter or exit from the vehicle entrance and exit location again, so that the vehicle management efficiency of the vehicle entrance and exit location is improved.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
Claims (7)
1. A vehicle lane detection system, comprising: the vehicle license plate recognition system comprises a vehicle passage detection device, a management device and a first license plate recognition instrument, wherein the vehicle passage detection device is in communication connection with the management device, and the first license plate recognition instrument is in communication connection with the management device; the vehicle channel detection system also comprises an anti-smashing triggering device, wherein the anti-smashing triggering device is arranged at an outlet of the target channel and is in communication connection with the management device;
when the first license plate recognition instrument recognizes that the target vehicle enters a target passage of a vehicle access place, the first license plate recognition instrument transmits a vehicle recognition result to the management device;
the vehicle channel detection device detects the leaving direction of the target vehicle and transmits a detection result to the management device, the leaving direction of the target vehicle is the direction in which the target vehicle enters the target channel and then drives away from the target channel, and the detection result is used for judging the leaving direction of the target vehicle;
after detecting that the target vehicle passes through, the anti-smashing triggering device sends a vehicle passing signal to the management device, wherein the vehicle passing signal is used for indicating that the target vehicle passes through the anti-smashing triggering device;
the management device receives a vehicle identification result transmitted by the first license plate identification instrument and a detection result transmitted by the vehicle channel detection device, determines the leaving direction of the target vehicle according to the detection result, determines that the target vehicle does not exit the target channel when the leaving direction and the advancing direction of the target vehicle indicated by the detection result are not consistent and does not receive a passing signal sent by the smash-proof trigger device within a preset time period, wherein the advancing direction is the direction in which the target vehicle enters when entering the target channel;
if the scene that the target vehicle enters the target channel is the situation of an entrance channel and a barrier gate is opened, the management device determines that the direction of the target vehicle leaving the channel is inconsistent with the advancing direction, and determines that the target vehicle does not enter the parking lot when a passing signal sent by the anti-smashing triggering device is not received within a preset time period; when the management device determines that the direction of the target vehicle leaving the passage is consistent with the advancing direction and receives a passing signal sent by the smash-proof trigger device in a preset time period, the management device determines that the target vehicle enters a vehicle entering and exiting place, closes the barrier gate and records the current license plate number and the entering time as the entering record of the target vehicle;
if the scene that the target vehicle enters the target channel is the situation of a departure channel and a barrier gate is opened, the management device determines that the target vehicle does not exit the parking lot when determining that the direction of the target vehicle leaving the channel is inconsistent with the advancing direction and the passing signal sent by the anti-smashing triggering device is not received within a preset time period, and keeps the state identifier of the target vehicle as the original non-departure identifier; and when the management device determines that the direction of the target vehicle leaving the passage is consistent with the advancing direction and receives a passing signal sent by the smash-proof trigger device in a preset time period, the management device determines that the target vehicle exits the target passage, closes the barrier gate, and identifies and records the current license plate number and the departure time as the departure record of the target vehicle.
2. The system of claim 1, wherein the vehicle access detection device comprises: a second card identifier communicatively coupled to the management device;
the second license plate identifier acquires a first image of the target vehicle at a first moment, acquires a second image of the target vehicle at a second moment, generates a first detection result, and transmits the first detection result to the management device, wherein the first detection result comprises the first moment, the first image, the second moment and the second image; the first moment is a moment after the target vehicle enters the target passage; the second time is after the first time;
the management device determines the departure direction of the target vehicle according to the first detection result.
3. The system of claim 2,
the management apparatus determines the departure direction of the target vehicle as the advancing direction when the size of the target image element in the first image is smaller than the target image element in the second image.
4. The system of claim 1, wherein the vehicle access detection device comprises: the first detection device and the second detection device are respectively in communication connection with the management device;
the first detection device sends first detection information to the management device after detecting that the target vehicle passes through, wherein the first detection information is used for indicating that the first detection device detects that the target vehicle passes through and is also used for indicating the time when the target vehicle passes through the first detection device;
after the second detection device detects that the target vehicle passes through, sending second detection information to the management device, wherein the second detection information is used for indicating that the second detection device detects that the target vehicle passes through and is also used for indicating the time when the target vehicle passes through the second detection device;
the management device determines the direction of departure of the target vehicle based on the first detection information and the second detection information.
5. The system of claim 1, wherein the vehicle access detection device comprises: a first detection device and a second detection device;
after the first detection device detects that the target vehicle passes through, sending a first detection signal to the management device, wherein the first detection signal is used for indicating that the first detection device detects that the target vehicle passes through;
after the second detection device detects that the target vehicle passes through, sending a second detection signal to the management device, wherein the second detection signal is used for indicating that the second detection device detects that the target vehicle passes through;
the management device receives the first detection signal and records the time of receiving as a first moment; and receiving the second detection signal, recording the receiving time as a second moment, and determining the leaving direction of the target vehicle according to the first moment and the second moment.
6. The system of claim 1,
and the management device determines that the target vehicle exits the target channel according to the passing signal transmitted by the anti-smashing triggering device.
7. The system of claim 1, wherein the vehicle lane detection system further comprises: the barrier gate control device is in communication connection with the management device;
the management device sends a control instruction to the barrier gate control device according to the smash-proof trigger device, wherein the control instruction is used for indicating to close the barrier gate;
and the barrier gate control device controls the barrier gate to be closed according to the control instruction.
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| CN108053657A (en) * | 2017-11-22 | 2018-05-18 | 苏州爱开客信息技术有限公司 | Single track lock discrepancy all-purpose road vehicle heading determination methods |
| 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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