JP4385786B2 - Unauthorized vehicle detection device - Google Patents

Description

  The present invention relates to a fraudulent vehicle detection device that detects a vehicle that illegally passes through an ETC toll booth on a toll road or the like and photographs an image including at least a face and a number plate of the driver of the unauthorized vehicle. .

  According to the embodiment of the conventional unauthorized vehicle detection device, the unauthorized vehicle is determined when the entering vehicle has passed the vehicle detector and the toll is not collected and the passing speed of the vehicle is an unauthorized vehicle. As a determination criterion, the approaching vehicle took an evidence photograph when the vehicle passed through the vehicle detector (see, for example, Patent Document 1).

  However, in this case, the captured image only shows the vehicle at the moment of passing through the vehicle detector 23 as shown in FIG. 9, and whether the vehicle reflected in the captured image is a fraudulent vehicle, Or since it cannot discriminate | determine from a picked-up image whether it is a vehicle which paid the toll normally, the evidence which the image | photographed vehicle is an unauthorized vehicle is inadequate.

Japanese Patent Laid-Open No. 7-325946 (FIGS. 2-3 and 5)

  In the case of a vehicle that has not collected tolls in the automatic toll collection system, the unauthorized vehicle detection device of the present invention warns the driver that the lane cannot pass by keeping the lane entry blocking rod closed. To do. Nevertheless, a vehicle that breaks through the entry blocking rod and passes through the lane is determined to be an unauthorized vehicle based on a breakthrough signal from the entry blocking rod, and the moment when the vehicle breaks through the entry blocking rod is photographed. For this reason, the captured image shows the entire vehicle including at least the face of the vehicle driver and the number plate at the moment when the entry blocking rod is forced through, and the vehicle reflected in the captured image is an unauthorized vehicle. It can have some evidence.

The unauthorized vehicle detection device according to the present invention opens when a vehicle imaging unit that captures a vehicle, a roadside wireless device that communicates with a vehicle-mounted device of a passing vehicle, and the vehicle-mounted device and the roadside wireless device communicate normally. When the normal communication is not performed, the entry blocking rod that is closed, the unauthorized vehicle detection unit that detects the opened state after the passing vehicle contacts the entry blocking rod with the entry blocking rod closed, and the unauthorized vehicle When the detection unit detects a change in the state of the entry blocking rod without the normal communication between the vehicle-mounted device and the roadside wireless device, at least the face and number plate image of the driver imaged by the vehicle imaging unit are displayed. And a controller for transmitting to an external device .

  Since the present invention is configured as described above, it is possible to provide evidence that the vehicle shown in the photographed image is an illegal vehicle that has broken through despite being warned that the vehicle cannot pass through the lane. .

   By transmitting the license plate information to the central device, the unauthorized history of unauthorized vehicles is accumulated, and in the case of a vehicle with many unauthorized times in the unauthorized history, it is determined that the vehicle is intentionally passing the lane, and the display unit of the central device It is possible to display an unauthorized vehicle.

Embodiment 1 FIG.
FIG. 1 schematically shows a configuration of the first embodiment of the present invention. In the figure, 1 is a vehicle entry sensor, 2 is a roadside wireless device, 3 is a lane server, 4 is an entry blocking bar, 5 is a controller, 6 is a vehicle imaging unit, 7 is a central device, and 8 is a vehicle.

  FIG. 2 is a block diagram showing Embodiment 1 of the present invention. When the vehicle approach sensor 1 detects the vehicle, the vehicle detection information is transmitted to the lane server 3. The lane server 3 transmits an entry blocking bar “close” command, and makes the entry blocking bar 4 closed. When the roadside apparatus 2 communicates wirelessly with the ETC vehicle-mounted device of the vehicle 8 and the toll collection is correctly performed, the lane server 3 transmits an entry blocking bar “open” command, opens the blocking block 4, Allow the vehicle 8 to pass through the lane.

  On the other hand, when the toll collection of the vehicle 8 is not performed, the lane server 3 keeps the entry blocking bar 4 closed and blocks the vehicle 8 from passing. In the case where the vehicle 8 has released the entry blocking rod 4 and forced to break through despite the state where the entry blocking rod 4 remains closed, the entry blocking rod 4 transmits a breakthrough signal to the controller 5, 5. When a breakthrough signal is detected, an image pickup command is transmitted to the vehicle image pickup unit 6. The vehicle image pickup unit 6 includes at least the face and the license plate of the driver of the vehicle at the moment when the vehicle forcibly breaks the entry blocking rod 4. Take a picture of the front of the vehicle. The captured image of the vehicle imaging unit 6 is transmitted to the central device 7 via the controller 5 and stored.

  FIG. 3 is a block diagram illustrating a detailed configuration of each unit. When the vehicle approach sensor 1 detects the vehicle 8, the vehicle detection information is transmitted to the lane server 3. When the lane server 3 receives the vehicle detection information, the lane server 3 transmits an entry blocking bar “close” command to the entry blocking bar 4 so that the entry blocking bar 4 is closed.

  The lane server 3 communicates with the ETC vehicle-mounted device of the vehicle 8 by radio and confirms that the toll collection has been correctly performed. A command is issued, and the entry blocking bar 4 permits the vehicle 8 to pass through the lane and opens.

  On the other hand, the lane server 3 does not output the entry blocking bar “open” command when the roadside wireless device 2 communicates wirelessly with the vehicle 8 and confirms that the toll collection has not been performed. Is kept closed, the vehicle 8 is prevented from passing, and a warning that the vehicle cannot pass is given to the driver. In the case where the vehicle 8 has released the entry blocking rod 4 and forced to break through even though the entry blocking rod 4 remains closed, the unauthorized vehicle detection unit 9 of the entry blocking rod 4 detects the vehicle forced breakthrough. .

  FIG. 4 is a diagram illustrating an example of a method for detecting an unauthorized vehicle of the entry blocking rod 4. When the vehicle 8 releases the entry blocking rod 4 and forcibly breaks through, the unauthorized vehicle detection unit 9 is in contact with the entry blocking rod 4 (physically or electrically short state) from a non-contact state (physically or electrically). The vehicle is forced to break through by changing to the open state.

  The unauthorized vehicle detection unit 9 of the entry blocking rod 4 transmits a breakthrough signal to the controller 5, and when the controller 5 detects the breakthrough signal, the vehicle imaging I / F unit 10 is connected to the camera unit 11 of the vehicle imaging unit 6. And sends a shooting command to the flash unit 12. The vehicle imaging unit 6 captures a photographed image by photographing at least the face of the driver of the vehicle and the front of the vehicle including the license plate at the moment when the vehicle breaks through the entry blocking rod 4.

  The captured images captured by the vehicle imaging I / F unit 10 are combined with the shooting date / time, shooting point, and frame number, and transmitted to the transmission processing unit 13. The transmission processing unit 13 transmits the captured image to the central device 7.

  The central device 7 stores the captured image sent from the controller 5 in the data storage unit 14. Each captured image can be displayed on the display unit 15 and can be printed out to the printing device 16 as necessary.

  Next, FIG. 5 is a flowchart showing a processing procedure of the unauthorized vehicle detection device. With reference to this flowchart, the processing procedure from the vehicle entering the lane to the transmission of the captured image to the central device will be described. When the vehicle entry sensor 1 detects a vehicle (step: S101), the lane server 3 closes the entry block 4 and prevents the vehicle from passing (step S: 102).

  In the lane server 3, the roadside apparatus 2 performs wireless communication with the vehicle to confirm whether toll collection is present (step: S103). When the toll collection of the vehicle is received, the lane server 3 issues an entry blocking bar “open” command, opens the blocking block 4 and permits the vehicle to pass through the lane (step S104). On the other hand, if there is no charge collection for the vehicle, the lane server 3 does not output the entry blocking bar “open” command and keeps the entry blocking bar 4 closed.

  When the vehicle breaks through despite the entry blocking rod 4 being closed and the entry blocking rod 4 is released and passed (step: S105), the vehicle imaging unit 6 takes an image of the entire vehicle, The vehicle imaging I / F unit 10 captures the entire vehicle image (step: S106). The captured image is combined with the shooting date and time, the shooting location, and the frame number and transmitted to the central apparatus (step S107).

  FIG. 6 shows an example of the entire vehicle image. In the figure, 17 is an image of the entire vehicle, 18 is a superimposition of the shooting date and time, a shooting point, etc., 19 is a forced breaking vehicle, 20 is a driver, and 21 is a number plate. By photographing the entire vehicle including at least the face of the vehicle driver and the number plate at the moment when the entry blocking rod 4 is forced through, there is evidence that the vehicle shown in the photographed image is an unauthorized vehicle. ing.

  According to this embodiment, when the roadside radio device cannot collect tolls with a passing vehicle, the entry blocking rod for blocking the passage of the vehicle is kept closed so that the driver can pass the lane. A warning is given in advance, and if it nevertheless is released, the vehicle is determined to be an unauthorized vehicle if the entry blocking rod is released and forced through. By photographing the entire vehicle including at least the face of the vehicle driver and the number plate at the moment when the entry blocking rod is forced through, it is possible to provide evidence that the vehicle shown in the photographed image is an unauthorized vehicle. It becomes possible.

Embodiment 2. FIG.
FIG. 7 is a diagram showing a second embodiment of the present invention. The controller 5 includes a recognition unit 22 for recognizing license plate information of an unauthorized vehicle that has been forced through the video from the vehicle imaging unit 6. The license plate portion is cut out by software that performs the processing shown in FIG. 5 by the recognition unit 22, and the number plate information is automatically read and transmitted to the data storage unit 14 of the central device 7.

  As shown in FIG. 8, the recognition unit 22 of the controller 5 inputs the vehicle front image captured by the camera unit 11 (FIG. 8 (a)), and differentiates the input image (FIG. 8 (b)). After the run length is created based on the differentiated image (FIG. 8 (c)), the number plate image is cut out (FIG. 8 (d)), and the number plate image is binarized (FIG. 8 (e)). FIG. 8F shows the result of recognizing the number plate characters from the binarized image.

  In this embodiment, the controller includes a recognition unit that recognizes the license plate information of the unauthorized vehicle based on the image from the vehicle imaging unit, and automatically reads the license plate information and transmits it to the central device. Can search past fraud history of unauthorized vehicles based on license plate information, and if the number of frauds is higher than a predetermined value in the fraud history, the vehicle must be cautioned to pass the lane intentionally The unauthorized vehicle is displayed on the display unit of the central device.

  According to this embodiment, by photographing the entire vehicle including at least the face and the number plate of the driver of the vehicle at the moment when the entry blocking rod is forced through, the vehicle shown in the photographed image is an unauthorized vehicle. This makes it possible to provide a vehicle with a high number of frauds by referring to the past fraud history of the vehicle based on the license plate information, thereby enabling quick control and increasing the accuracy of the evidence.

It is a figure which shows roughly the unauthorized vehicle detection apparatus by Embodiment 1 of this invention. It is a block diagram which shows the unauthorized vehicle detection apparatus by Embodiment 1 of this invention. It is a block diagram which shows the structure of each part of the unauthorized vehicle detection apparatus by Embodiment 1 of this invention. It is a figure which shows an example of the unauthorized vehicle detection method of the unauthorized vehicle detection apparatus by Embodiment 1 of this invention. It is a flowchart which shows the process sequence of the unauthorized vehicle detection apparatus by Embodiment 1 of this invention. It is a figure which shows the imaging example of the whole vehicle image of an unauthorized vehicle detection apparatus. It is a block diagram which shows the structure of each part of the unauthorized vehicle detection apparatus by Embodiment 2 of this invention. It is a figure which shows the method of recognizing the number plate of the unauthorized vehicle detection apparatus by Embodiment 2 of this invention. It is a figure which shows the imaging example of the whole vehicle image of the conventional unauthorized vehicle detection apparatus.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Vehicle approach sensor, 2 Roadside radio | wireless apparatus, 3 Lane server, 4 Entry prevention rod, 5 Controller, 6 Vehicle imaging part, 7 Central apparatus, 8 Vehicle, 9 Unauthorized vehicle detection part, 10 Vehicle imaging I / F part, 11 Camera unit, 12 Strobe unit, 13 Transmission processing unit, 14 Data storage unit, 15 Display unit, 16 Printing unit, 17 Whole vehicle image 18 Superimpose, 19 Forced breakthrough vehicle, 20 Driver, 21 Number plate, 22 Recognition unit 23 Vehicle detector.

Claims (4)

A vehicle imaging unit for photographing the vehicle;
A roadside wireless device that communicates with the vehicle-mounted device of the passing vehicle;
When this vehicle-mounted device and this roadside wireless device communicate normally, it opens when it does not communicate normally,
An unauthorized vehicle detection unit that detects an open state after the passing vehicle contacts the entry blocking rod in a state where the entry blocking rod is closed;
When this unauthorized vehicle detection unit detects a change in the state of the entry blocking rod without normal communication between the vehicle-mounted device and the roadside wireless device,
A controller that transmits at least the face and number plate image of the driver imaged by the vehicle imaging unit to an external device;
An unauthorized vehicle detection apparatus comprising: A vehicle entry sensor for detecting the entry of the vehicle;
A roadside device that communicates with the vehicle-mounted device;
Based on the vehicle approach detection information from the vehicle approach sensor, the approach blocking rod is closed, the roadside wireless device performs wireless communication with the vehicle-mounted device of the vehicle, and when it is confirmed that the communication is normally completed, A lane server that opens the bar
An entry blocking rod that blocks passage of lanes to vehicles that are not allowed to pass, such as vehicles that are not equipped with in-vehicle devices, vehicles that have not normally completed communication, or vehicles that have erroneously entered the lane,
In a state where the entry blocking rod is closed, a vehicle that is not allowed to pass through forcibly breaks through the entry blocking rod, so that the end portion of the entry blocking rod in the closed state is in a non-contact state from a physical or electrical contact state. A fraudulent vehicle detector that detects the change to
A vehicle imaging unit that captures an entire vehicle image including at least a face and a number plate of a driver of the unauthorized vehicle when the contact state is changed to a non-contact state ;
When the signal indicating that the end of the entry blocking rod has changed from a state of being physically or electrically in contact with the unauthorized vehicle detection unit to a non-contact state is received from the unauthorized vehicle detection unit. A controller that issues a shooting command to the vehicle imaging unit and transmits video data obtained by synthesizing shooting information such as a shooting date and time and a shooting point to the video from the vehicle imaging unit to an external device;
An unauthorized vehicle detection apparatus comprising: The unauthorized vehicle detection device according to claim 2, further comprising a central device for accumulating and printing the video data sent from the controller. The controller is
Furthermore, the video data from the vehicle imaging unit reads the license plate information of the unauthorized vehicle, and extracts the number of frauds from the past unauthorized history of the unauthorized vehicle,
When the number of frauds is greater than a predetermined value, a recognition unit that recognizes the number of fraudulent times as a caution vehicle and transmits the number plate information of the caution vehicle to the central device,
4. The unauthorized vehicle detection apparatus according to claim 1, wherein the license plate information of the vehicle requiring attention is displayed.

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