KR101248834B1 - Image matching method and automatic traffic enforcement system therewith - Google Patents

Abstract

PURPOSE: An image matching method and an unmanned traffic controlling system using the same are provided to control a speeding controlling device to accurately match image information with the violation information of a vehicle by generating photograph banning information for transmitting the information to the speeding controlling device. CONSTITUTION: A loop detection devices(7,7') are mounted to be laid under a road(4). The loop detection device detects a signal when a vehicle(8) passes. A controller(3) of a speeding controlling device detects the speed of the driving vehicle for matching image information with the violation information of the vehicle. A camera control device(5) drives a camera(6) for securing the image of the vehicle violated regulations. A control center(9) receives matching information including the image information and the violation information of the vehicle from the controller.

Description

Image matching method and automatic traffic enforcement system therewith}

The present invention relates to an image matching method and an unmanned traffic control system using the same. Specifically, when the image is not taken due to the processing time (Tsend) of the camera, the image is precisely generated by generating unphotographed information indicating that the image is not taken. Matching image matching method, and using this to accurately match the violation information collected by the controller and the image information of the violation vehicle obtained by the camera shooting to increase the image matching rate to increase the reliability of enforcement To provide a driverless traffic enforcement system.

As the number of vehicles increased and the roads expanded, the number of vehicles ignoring traffic laws such as speeding and signal violations also increased. Accordingly, various control devices and systems are being studied to crack down on violations of these traffic laws. . In particular, because traffic violations must be continued for 24 hours, a variety of unmanned traffic control equipment is being used to crack down on violations.

Such unmanned traffic control equipment is generally composed of detection means for detecting a violating vehicle such as speeding and signal violations, and photographing means for photographing the violating vehicle detected by the detecting means, based on the image information obtained by the photographing means. They impose penalties on offending vehicles. Accordingly, in the unmanned traffic control equipment, how accurately the detecting means for detecting the violating vehicle detects the violating vehicle or how accurately the photographing means captures the violating vehicle detected by the detecting means to acquire the image determines the performance of the equipment. The most important part.

In particular, since the matching accuracy of image information is directly related to complaints due to the issue of fines, various studies on image matching methods for accurately matching the violation information and the image information of the violating vehicle are being conducted.

1 is an exemplary view for explaining a speed control system which is a conventional unmanned traffic control system.

The conventional control system 100 of FIG. 1 receives the detection signals from the loop detectors 107 and 107 'and the loop detectors 107 and 107' to detect the detection signals according to the passage of the vehicle. Violation vehicle detection unit 103 for detecting a speeding vehicle in response to the detected vehicle speed by detecting the speed of the vehicle, and when the violation vehicle detection unit 103 detects the violation vehicle, the preset area is photographed to capture an image of the violation vehicle. It consists of a camera 105 for acquiring the speed and the speed control device 101 for matching the violation information for the violation vehicle received from the violating vehicle detection unit 103 and the image information for the violation vehicle received from the camera 105.

In addition, in FIG. 1, for example, the control system 100 is configured to control the speeding vehicle. However, the control system 100 is not limited thereto, and may be modified into a configuration for controlling various traffic laws.

The loop detectors 107 and 107 'are devices for detecting the speed of the vehicle based on the detection signal of the vehicle as it is known, and transmit the detected detection signal to the violating vehicle detection unit 103.

The violating vehicle detecting unit 103 detects the speed of the vehicle based on the detection signals transmitted from the loop detectors 107 and 107 ', and compares the detected vehicle speed with a preset speed limit so that the driving vehicle violates the speeding vehicle. Determine the cognition.

In addition, when the violation vehicle detection unit 103 determines that the driving vehicle is a violation vehicle, the violation information including the detected speed information is transmitted to the speed enforcement apparatus 101 and the camera generates a trigger signal for driving the camera 105. Transmit to 105.

In addition, when the camera 6 receives a trigger signal from the violating vehicle detecting unit 103, the camera 6 captures the violating vehicle to obtain image information, and transmits the obtained image information to the speed enforcement device 101.

The speed regulating device 101 matches the violation information received from the violating vehicle detection unit 103 with the image information transmitted from the camera 105 and then transmits the matching matching information to an external control center (not shown). The center imposes a penalty on the offending vehicle based on the matching information received.

As such, the conventional crackdown system 100 detects a speeding vehicle unmannedly, and is installed and used on a road requiring speeding due to an advantage of acquiring not only the violation information of the detected violation vehicle but also image information.

However, in such an intermittent system, when the camera 105 receives the trigger signal, the processing time (Tsend), which is the minimum time at which the trigger signal cannot be photographed due to the shooting, the internal processor, the calculation processing, and the data transmission, cannot be performed. Since the camera 105 generally cannot have an exposure time during this processing time, even if a trigger signal is received from the outside during the processing time, the image is not taken, thereby acquiring an image. You won't be able to. At this time, the processing time tsend has a size of approximately 100 to 300 msec.

That is, the conventional control system 100 has excellent image matching rate when the violation vehicles are detected at intervals, but when several violation vehicles are detected within a short time, the 1'st violation vehicle is detected in detail. When a 2'nd offending vehicle is detected during the processing time tsend of the camera 105, the camera 105 may not acquire an image for the 2'nd offending vehicle.

In addition, in the conventional control system 100, when the camera 105 detects a 3'rd violation vehicle after a time elapses while the camera 105 is unable to acquire an image of the 2'nd violation vehicle, the camera 6 is 3 '. The image information on the rd offending vehicle is transmitted to the speed limiting device 101, and the speed limiting device 101 of the 3'rd violating vehicle received because it has not received the image of the 2'nd offending vehicle before. The image is judged as the image of the 2'nd violating vehicle, and the violation information of the 2'nd violating vehicle is matched with the image information of the 3'rd violating vehicle.

In addition, the speed controller 101 frequently repeats the same image matching error for the following violation vehicles until a special correction for the image matching error is made (before the complaint is issued).

2 is a flowchart illustrating a conventional control system of FIG. 1.

2 is a flowchart illustrating an image matching error generated when a plurality of violating vehicles are detected during the processing time tsend of the camera 105 as described above with reference to FIG. 1.

As shown in FIG. 2, the violating vehicle detection unit 103 transmits the violation information on the 1'st violating vehicle to the speed control device 101 and a trigger signal to the camera 105. At this time, the speed control device 101 stores the violation information received from the violating vehicle detection unit 103 in sIndex (sIndex = 1) of the speed related queue, and the camera 105 receives the trigger signal. 'st Take a picture of the offending vehicle. At this time, when the camera 105 acquires an image, the camera 105 stores the image in the iIndex of the violation related queue and transmits the image to the speed controller 101.

In addition, if the 2nd speed vehicle is detected while the speed control device 101 does not receive an image from the camera 105, the violation vehicle detection unit 103 violates the 2nd speed vehicle with the speed control device 101. Information, the trigger signal for the 2'nd offending vehicle is transmitted to the camera 105, and the speed controller 101 transmits the violation information for the received 2'nd offending vehicle to the second sIndex (sIndex = 2) of the speed related queue. ).

In addition, since the camera 105 is in a processing time (tsend) state for the 1'st violating vehicle, the camera 105 may not photograph the 2'nd violating vehicle even when the trigger signal for the 2'nd violating vehicle is received.

In addition, when the speed limiting device 101 receives the violation-related cue from the camera 105, the speed controller 101 matches the image information stored in the first index (iIndex = 1) with the speed information stored in the speed-related queue of the first index (sIndex = 1). You can do it.

Then, when the violating vehicle detecting unit 103 detects the 3'rd violating vehicle, the speed enforcement apparatus 101 stores the violation information in three sIndex, and the camera 105 queues the image information obtained by shooting and violates the violation information. The violation-related cues are stored in the iIndex of 2 and transmitted to the speed controller 101. Accordingly, the speed limiting device 101 matches the violation information of the 3'rd violating vehicle with the violation information of the 3'rd violating vehicle by matching the image information of the 2'nd violating vehicle with the second image information having the same index. Will fall.

As described above, the conventional speed control system 100 cannot accurately match an image when a plurality of violating vehicles are detected within a short time, and when an image matching error occurs once, all violation vehicles detected afterwards repeat the image matching error. Done.

In addition, the inaccurate image matching of the speed enforcement system 100 is directly connected to the complaints, the reliability of the enforcement is reduced.

The present invention is to solve such a problem, the problem of the present invention is to speed-up by generating a non-shooting information that the camera is not taken for the violations detected during the processing time of the camera to the speed enforcement device The apparatus is to provide an unmanned traffic control system that can accurately match the violation information and the image information of the violation vehicle even if a plurality of violation vehicles are detected within a short time.

In addition, another solution of the present invention is to provide an unmanned traffic control system for increasing the reliability of crackdown by accurately matching the image for the violation vehicle using an image matching method with an increased image matching rate.

In addition, another solution of the present invention, when the camera receives the trigger signal at a time other than the processing time (Tsend), but transmits the acquired image information to the controller to match the image, but transmits the trigger signal at the processing time (Tsend) time The present invention provides an image matching method of increasing an image matching rate by generating non-photographing information indicating that photographing has not been performed when receiving the image.

The solving means of the present invention for solving the above problems is a sensing step of detecting a sensing object, calculating a predetermined measurement value of the sensing object; A determination step of calculating a deviation by comparing the measured value with a preset reference value, and determining the detection target as a violation target when the deviation is out of a preset range; An information generation and storage step of assigning unique identification information to the violation target, generating violation information including a measurement value of the violation target, and matching and storing the identification information with the violation information; A trigger signal generation step of generating a trigger signal for operating the camera set to photograph the violation target; When the trigger signal is generated, the camera compares the elapsed time (t) from the time when the previous trigger signal is received to the present, and the processing time (Tsend), which is the minimum time required for the next shooting after the start of shooting. step; In the comparison step, if the elapsed time (t) is a normal state that is longer than the processing time (Tsend) proceeds, the image acquisition step of acquiring the image of the violation object by the camera, and obtained A first matching step of matching an image with the identification information generated in the information generation and storage step, and matching the image and the violation information matched with the identification information, respectively; If the elapsed time t is determined to be an abnormal state less than the processing time Tsend than the processing time Tsend of the camera in the comparing step, it is performed. And a second matching step of matching the non-shooting information to the identification information generated in the information generating and storing step, and matching the non-shooting information and the violation information respectively matched to the identification information. .

Further, another solution of the present invention calculates the traveling speed of the vehicle when the vehicle is detected, and operates the camera set to photograph the violating vehicle by determining the vehicle as a violating vehicle when the calculated traveling speed is more than a preset speed limit. An apparatus for generating violation information, which is information including a trigger signal, a unique identification information to be given to the violation vehicle, and a driving speed of the violation vehicle, and matching and storing the identification information and the violation information; And a camera controller for driving the camera to obtain an image when the trigger signal and the identification information are received from the intermittent device, and transmitting the acquired image and the identification information to the intermittent device. Detects the violation information corresponding to the identification information transmitted from the camera control device and matches the image, and when the camera control device receives the trigger signal, the camera control device is a time elapsed from the time of receiving the previous trigger signal to the present time. Compare the elapsed time (t) with the processing time (Tsend), which is the minimum time required for the next shooting after the start of shooting, and if the camera detects the violations within the processing time (Tsend) of the camera, If the elapsed time (t) is less than the processing time (Tsend), information indicating that image acquisition has failed Generating a recording information, and is to the non-recording information to and matching the identification information transmitted to the contact-breaker device, the contact-breaker device, and is matched to the non-recording information, the violation information corresponding to the identification information received.

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According to the present invention having the above problems and solutions, even if a plurality of violation vehicles are detected during the processing time (tsend) of the camera, it is possible to accurately match the violation information and the image information, thereby increasing the reliability of the enforcement equipment.

In addition, according to the present invention, as the image matching rate is excellent, civil complaints are reduced.

In addition, according to the present invention is configured to improve the image matching rate through a simple algorithm, the installation and implementation is made simple.

1 is an exemplary view for explaining a speed control system which is a conventional unmanned traffic control system.
2 is a flowchart illustrating a conventional control system of FIG. 1.
3 is a configuration diagram illustrating an unmanned traffic control system to which an embodiment of the present invention is applied.
FIG. 4 is a relation diagram illustrating an image matching method of the unmanned traffic control system of FIG. 3.
FIG. 5 is a block diagram illustrating the controller of FIG. 3.
6 is a block diagram illustrating the camera control apparatus of FIG. 3.
7 is an exemplary diagram for explaining an image matching method applied to an embodiment of the present invention.
8 is an exemplary diagram for explaining an image matching method applied to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described.

3 is a configuration diagram illustrating an unmanned traffic control system to which an embodiment of the present invention is applied.

The unmanned traffic control system 1 of FIG. 3 is embedded in the road 4 so that the loop detectors 7 and 7 ', which detect the detection signal when the vehicle 8 passes, the loop detector 7, Detects the speed of the traveling vehicle 8 by using the detection signal received from 7 ', and determines whether the traveling vehicle 8 is a violation vehicle according to the detected vehicle speed, and determines the traveling vehicle 8 as the violation vehicle. The controller 3 and the camera 6 of the speed limiting device which match the violation information and the image information of the violating vehicle and the camera 6 are mounted to control the camera 6 and when the trigger signal is received from the controller 3, the camera 6 And a camera control device 5 for acquiring an image of the violating vehicle and a control center 9 receiving the matching information including the violation information and the image information of the violating vehicle from the controller 3. In this case, the control center 9 and the controller 3 are connected to a wireless communication network (not shown) that provides a movement path through which data is transmitted and received between them.

In addition, in FIG. 3, the unmanned traffic control system 1 detects the speeding vehicle, for example. However, the unmanned traffic control system 1 is not limited thereto. It can be applied to various traffic laws enforcement to match violation information.

In addition, in Fig. 3, the detecting means for detecting the speed of the traveling vehicle in the controller 3, the comparing means for comparing the vehicle speed detected by the detecting means to the speed limit, and the violating vehicle according to the result of the comparing means. For example, but the detection means, the comparison means and the determination means may be configured to be operated in a separate terminal.

As is well known, the loop detectors 7 and 7 'are embedded in the road 4 to detect a detection signal when the vehicle passes, and transmit the detected detection signal to the controller 3.

The controller 3 of the speed controller receives detection signals from the loop detectors 7 and 7 ', detecting means for detecting the speed of the traveling vehicle using the received detection signals, and detected by the detection means. And determining means for determining whether the traveling vehicle is a speeding vehicle by comparing the vehicle speed with a preset speed limit.

In addition, the controller 3 transmits a trigger signal for driving the camera 6 to the camera controller 5 when the violation vehicle is detected. At this time, when the camera control device 5 receives the trigger signal from the controller 3, the camera controller 5 controls the mounted camera 6 to capture a preset photographing area, thereby acquiring image information of the violating vehicle.

In addition, when the violation vehicle is detected, the controller 3 is assigned to each of the detected violation vehicles, thereby giving an identification code for identifying information on the violation vehicles. At this time, the identification code is formed of one of codes, letters and numbers assigned to each of the offending vehicles, and the following identification code is referred to as a violation index.

In addition, the controller 3 stores the violation index given to the violating vehicle and the detected speed information in the first index (sIndex = 1) of the speed related queue.

In addition, when the controller 3 stores the violation index and the speed information in the speed related queue, the controller 3 transmits the violation index to the camera controller 5. At this time, the camera controller 5 transmits the image information to the controller 3 after matching the received violation index with the image information.

In addition, when the controller 3 receives the violation index and the image information from the camera controller 5, the controller 3 extracts the violation index and the speed information having the same value as the violation index received from the speed information stored in the speed-related queue, and extracts the speed. Matching information and image information are generated to generate matching information. The matching information generated at this time is transmitted to the control center (9).

The camera controller 5 is equipped with a camera 6 for capturing an image by capturing a preset shooting area S. When the trigger signal is received from the controller 3, the camera controller 5 controls the mounted camera 6 to control the violation vehicle. To take a picture of, and acquires the image information on the violation vehicle due to the shooting of the camera (6). In this case, as described above, the camera controller 5 photographs an image after receiving the trigger signal and takes a processing time tsend to transmit the acquired image to the controller 3.

In addition, when the camera control apparatus 5 receives the violation index from the controller 3, the camera controller 5 matches the received violation index with the obtained image information and transmits the matched data to the controller 3.

In addition, the camera controller 5 generates uncaptured information indicating that the photographing is not performed because the photographing of the camera 6 cannot be performed if the trigger signal is transmitted from the controller 3 during the processing time tsend. Match the image information acquired to the violating index received before the processing time (tsend), match the unrecorded information generated in the violating index received after the processing time (tsend), and transfer the matched data to the controller 3 send. That is, the camera controller 5 applied to the present invention generates non-shooting information for the trigger signal transmitted during the processing time tsend, so that the controller 3 can capture not only the image information of the violating vehicle but also the shooting of the violating vehicle. It can be accurately recognized, which means that if a plurality of violation vehicles are detected during the processing time (tsend) of the conventional control system 100, not only an image matching error occurs but also image matching errors are repeated for subsequent violation vehicles. This can solve the problem.

FIG. 4 is a relation diagram illustrating an image matching method of the unmanned traffic control system of FIG. 3.

As shown in FIG. 4, the loop detectors 7 and 7 ′ detect a detection signal when the vehicle passes, and transmit the detected detection signal to the controller 3.

The controller 3 detects the speed of the traveling vehicle using the detection signals received from the loop detectors 7 and 7 ', and compares the detected speed to a preset speed limit. If is over the speed limit, the driving vehicle is determined as the violation vehicle.

When the controller 3 detects a violation vehicle, the controller 3 transmits a trigger signal to the camera controller 5, and the camera controller 5 controls the camera 6 according to the trigger signal received from the controller 3. Shoot the vehicle. At this time, the camera controller 5 determines whether the processing time (tsend) by the trigger signal received before the currently transmitted trigger signal. If the camera controller 5 does not currently have a processing time (tsend) by the previously transmitted trigger signal, the camera control device 5 transmits a driving signal to the camera 6, and the camera 6 detects a violation vehicle according to the received driving signal. Shooting to obtain an image, and transmits the obtained image to the camera control device (5).

The controller 3 also transmits the violation index generated to the camera controller 5.

In addition, when the controller 3 detects a violation vehicle, the controller 3 generates a violation index which is assigned to each of the violation vehicles, and stores the generated violation index in a speed related queue. In this case, the violation index is stored in the index 1 of the speed-related queue (sIndex = 1) and is matched with the speed information. Since the data input and output using the queue are common techniques in data communication, a detailed description thereof will be omitted.

The camera controller 5 matches the image information obtained by the photographing of the camera 6 to the received violation index and then transmits the matched image information and the violation index to the controller 3.

The controller 3 searches for the speed-related cue, reads the violation index of the speed-related cue having the same value as the violation index received from the camera controller 5 and the speed information matched therefrom, and reads the speed-related cue. Matching information and the received image information to generate matching information, and transmits the generated matching information to the control center (9).

FIG. 5 is a block diagram illustrating the controller of FIG. 3.

The controller 3 of FIG. 5 includes a communication unit 38 for transmitting and receiving data to and from the loop detectors 7 and 7 'and the camera controller 5, a database unit 32 in which data is stored, and a loop detector ( 7), the violating vehicle manager 33 for determining the speed calculation of the driving vehicle and whether the violating vehicle is detected by using the detection signal transmitted from (7 '), and the violating vehicle manager 33 violates the driving vehicle 8. If it is determined that the trigger signal generating unit 34 for generating a trigger signal to drive the camera 6, and the violating vehicle management unit 33 judges that the driving vehicle is a violation vehicle, violations that generate a violation index given an identification number When the violation index is generated by the index generator 35 and the violation index generator 35, the speed-related queue manager 36 stores the speed information of the violating vehicle and the generated violation index in the speed-related queue, and the camera controller. (5) Speed information received from the video information It comprises a video matching unit 37, these control target 32, 33, 34, 35, 36, 37, a controller 31 for controlling (38) for matching.

The control unit 31 is an operating system (OS) of the controller 3, and periodically crawls the communication unit 38 to extract detection signals received from the loop detectors 7 and 7 ′, and extract the detected signals. The signal is transmitted to the violating vehicle manager 33.

In addition, the controller 31 controls the trigger signal generator 34 to generate a trigger signal for driving the camera 6 when the detection signal indicating that the violation vehicle has been detected is received from the violation vehicle manager 33.

In addition, the control unit 31 inputs the speed information calculated by the speed-related queue management unit 36 when the detection signal indicating that the violation vehicle has been detected by the violation vehicle management unit 33 is input.

In addition, when the speed-related queue manager 36 matches the violation index and the speed information, the controller 31 stores the matched violation index and the speed information in the database unit 32, and controls the communication unit 38 to record the violation index. To the control device 5.

In addition, when the controller 31 receives the matched violation index and the image information from the camera controller 5 through the communication unit 38, the controller 31 inputs the violation index and the image information transmitted to the image matching unit 37 to display the image matching unit ( 37), the speed information and the image information of the violating vehicle are matched.

The database unit 32 stores the preset speed limit, the violation index and the speed information input by the speed-related queue manager 36.

In addition, the database unit 32 stores matching information generated by the image matching unit 37. In this case, the matching information includes speed information and image information about the violation vehicle.

The violating vehicle manager 33 receives the detection signals from the loop detectors 7 and 7 ', and calculates the speed of the driving vehicle according to a known speed calculation method, and the speed calculation module 331. And a comparison and determination module 333 for determining the driving vehicle as the violation vehicle if the vehicle speed calculated by comparing the vehicle speed calculated by the reference to the preset speed limit is higher than the speed limit.

In addition, the violation vehicle management unit 33 inputs a detection signal indicating that the violation vehicle has been detected by the comparison and determination module 333 to the controller 31 when the speed measurement vehicle is determined to be a violation vehicle, and under the control of the controller 31. The calculated speed information is input to the speed related queue manager 36.

The trigger signal generating unit 34 generates a trigger signal for operating the camera 6 when the violating vehicle manager 33 detects the violating vehicle, and the generated trigger signal is controlled by the control unit 31. 38) to the camera controller 5.

At this time, the camera control device 5 drives the camera 6 to take a picture of the violation vehicle when the trigger signal is transmitted, and if the trigger signal is received between the processing time tsend, the camera control device 5 cannot perform the shooting signal. The operation and configuration of the camera controller 5 will be described in detail later with reference to FIG. 6.

The violation index generation unit 35 generates a violation index including identification number information assigned to each of the violation vehicles when the violation vehicle management unit 33 detects the violation vehicles.

In addition, the violation index generated in the violation index generation unit 35 is transmitted to the speed-related queue management unit 36 under the control of the control unit 31, and is transmitted to the camera controller 5 through the communication unit 38.

The speed related queue manager 36 matches the speed information input from the violating vehicle detector 33 with the violation index input from the violating index generator 35 and stores the speed index in the speed related queue. At this time, the speed related queue in which the violation index and the speed information are stored is stored in the database unit 32.

When the matching unit 37 receives the matched violation index and the image information or the matched violation index and the non-shooting information from the camera controller 5, the image matching unit 37 searches for the database unit 32 and violates the same value as the received violation index. A search module 371 that searches for a speed-related queue having an index and a speed-related searched from the database unit 32 when a speed-related queue containing a violation index of the same value is searched by the search module 371. A reading module 372 for reading the speed information included in the queue, and a matching module for matching the speed information read by the reading module 372 with the received image information or the read speed information with the received unshooting information ( 373).

In addition, the matching information matched by the matching module 373 of the image matching unit 37 is stored in the database unit 32 and transmitted to the external control center (9).

In addition, the image matching unit 37 stores the matching information generated under the control of the control unit 31 in the database unit 32, and the control unit 31 controls the communication unit 38 according to a preset period to control the database unit ( The matching information stored in 32 is transmitted to the control center 9.

6 is a block diagram illustrating the camera control apparatus of FIG. 3.

The camera controller 5 of FIG. 6 controls the camera 6 so that the camera 6 operates when a trigger signal is received from the communication unit 57 that supports data communication with the controller 3 and the controller 3. The camera management unit 53, the image management unit 55 for inputting the image information and the non-shooting information to the violation index received from the controller 3, and controls the control targets 53, 55, 57 It consists of a control part 51.

The controller 51 inputs a driving signal to the camera manager 53 when the trigger signal is received from the controller 3 through the communication unit 57, and the camera manager 53 receives a driving signal from the controller 51. Operate (6) to obtain video information on the offending vehicle. At this time, the controller 51 inputs the obtained image information to the image manager 55.

In addition, the controller 51 inputs the received trigger signal to the image manager 55.

In addition, when the controller 51 receives the violation index from the controller 3 through the communication unit 57, the controller 51 inputs the received violation index to the image management unit 55, and the image management unit 55 matches the image information with the violation index. If the unrecorded information is matched with the violation index, the communication unit 57 is controlled to transmit the matched data to the controller 3.

The camera driver 53 controls the operation of the mounted camera 6, and when the driving signal is input from the controller 51, the camera 6 acquires image information by photographing a preset photographing area. At this time, the obtained image information is input to the image manager 55 under the control of the controller 51.

In addition, the camera driver 53 may include a control means for controlling the pan angle and the tilt angle of the camera 6 so that the shooting area can be changed when the camera 6 is not properly photographed. have.

When the image management unit 55 receives the trigger signal from the controller 3, the image manager 55 determines whether the input trigger signal is received between the processing time tsends, and the processing time by the determination module 551. tsend), if it is determined that the trigger signal is received between the non-shooting information generating module 552 for generating the non-shooting information that is the information that the camera was not taken, and the image information or the non-shooting information generating module 552 in the received violation index Coincidence module 553 to match the unphotographed information generated by the "

For example, when two violation vehicles are detected between tsends, the violation index generation unit 35 of the controller 3 performs a violation index for the 1'st violation vehicle and a violation index for the 2'nd violation vehicle. For example, a violation index is generated for the 3'rd violating vehicle.

At this time, when the trigger module receives the trigger signal from the controller 3, the determination module 551 determines whether image information acquisition and transmission according to the previously transmitted trigger signal is completed, that is, the processing time of the trigger signal previously received by the received trigger signal. and after the tsend is determined, the determination module 551 determines that the 2'nd violating vehicle has been detected between the processing time (tsend) of the 1'st violating vehicle, and the 3'rd violating vehicle is the 2'st. It is determined that it is detected after the processing time (tsend) of the violating vehicle.

That is, the determination module 551 inputs the determination data determined that the image was not acquired for the 2'nd violation vehicle to the non-shooting information generation module 552, and determines the determination data determined that the image was acquired for the 3'rd violation vehicle. Input to the coincidence module 553.

When the non-shooting information generation module 552 receives the determination data from the determining module 551, the non-shooting information generation module 552 generates the non-shooting information on the 2'st violation vehicle. At this time, the generated non-shooting information is transmitted to the matching module 553.

When the matching module 553 receives the non-shooting information from the non-shooting information generating module 552, the coincidence module 553 matches the input non-shooting information with the violation index received from the controller 3.

In addition, when the matching module 553 receives the image information obtained by photographing the camera 6, the matching module 553 matches the input image information with the violation index received from the controller 3.

In addition, the data matched by the matching module 553 is transmitted to the controller 3 through the communication unit 38 under the control of the control unit 51.

That is, the matching module 51 matches the transmitted violation index and image information with respect to the 1'st and 3'rd violation vehicles, and detects the violation vehicle during the processing time (tsend) for the 2'nd violation vehicles. Since 6) has not been operated, the controller 3 can accurately match the speed information and the image information with respect to the violated vehicle by matching the unrecorded information generated by the unrecorded information generation module 552 with the received violation index. .

7 is an exemplary diagram for explaining an image matching method applied to an embodiment of the present invention.

When the violating vehicle manager 33 of the controller 3 detects the 1'st violating vehicle, the controller 3 transmits a trigger signal to the camera controller 5 and generates a violating index having an identification number. In this case, the identification number of the violating index is formed as a number in FIG. 7.

At this time, when the camera control device 5 receives the trigger signal, the camera 6 is operated because the trigger signal for the 1'st violation vehicle is not transmitted between the processing time (tsend) of the previous vehicle. Acquire image information for.

Also, the controller 3 matches the index number 553 of the 1'st violation vehicle with the acquired image information.

At this time, when the controller 3 detects the 2'nd violation vehicle without receiving the image information of the 1'st violation vehicle from the camera controller 5, the controller 3 sends a trigger signal to the camera controller 5 as described above. After the transmission, a violation index for the 2'nd violated vehicle is generated, the generated violation index and the speed information are stored in the speed information queue, and the violation index for the 2'nd violated vehicle is transmitted to the camera controller 5. .

In addition, the camera controller 5 generates unphotographed information for the 2'nd violating vehicle because it is a processing time (tsend) in which the camera 6 cannot be operated due to the processing of the image information of the 1'st violating vehicle. .

In addition, when the controller 3 generates a violation index of the 2'nd violation vehicle, the controller 3 stores the generated violation index and the speed information in the speed related queue.

The camera controller 5 matches the transmitted image index of the 1'st violated vehicle to the received violation index and transmits the matched violation index and the image information to the controller 3.

In addition, the camera controller 5 matches the violation index received with the generated non-shooting information for the 2'nd violation vehicle, and transmits the matched violation index and the non-shooting information to the controller 3.

8 is an exemplary diagram for explaining an image matching method applied to an embodiment of the present invention.

As shown in FIG. 8, in the image matching method applied to the exemplary embodiment of the present invention, the camera controller 5 does not transmit image information about the 1'st violation vehicle to the controller 3, that is, the processing. The exposure time of the camera 6 is not generated even when the trigger signal is received from the controller 3 during the time tsend.

That is, the camera controller 5 recognizes that the image is not acquired by the internal processor even when the trigger signal is received from the outside during the processing time tsend, and the controller 3 transmits the information to the controller 3 so that the controller 3 is excellent. It has an image matching rate.

1: unmanned traffic control system 3: speed controller
4: road 5: camera controller
6: Camera 7: Loop Detector
31: control unit 33: violation vehicle management unit
32: Database 34: Trigger signal generator
35: violation index generation unit 36: speed-related queue management unit
37: video matching unit 331: speed calculation module
333: comparison and judgment module 371: search module
372: reading module 373: matching module

Claims (3)

A sensing step of sensing a sensing object and calculating a preset measurement value of the sensing object;
A determination step of calculating a deviation by comparing the measured value with a preset reference value, and determining the detection target as a violation target when the deviation is out of a preset range;
An information generation and storage step of assigning unique identification information to the violation target, generating violation information including a measurement value of the violation target, and matching and storing the identification information with the violation information;
A trigger signal generation step of generating a trigger signal for operating the camera set to photograph the violation target;
When the trigger signal is generated, the camera compares the elapsed time (t) from the time when the previous trigger signal is received to the present, and the processing time (Tsend), which is the minimum time required for the next shooting after the start of shooting. step;
In the comparison step, if the elapsed time (t) is a normal state that is longer than the processing time (Tsend) proceeds, the image acquisition step of acquiring the image of the violation object by the camera, and obtained A first matching step of matching an image with the identification information generated in the information generation and storage step, and matching the image and the violation information matched with the identification information, respectively;
If the elapsed time t is determined to be an abnormal state less than the processing time Tsend than the processing time Tsend of the camera in the comparing step, it is performed. And a second matching step of matching the non-shooting information to the identification information generated in the information generating and storing step, and matching the non-shooting information and the violation information respectively matched to the identification information. Image matching method characterized in that. When the vehicle is detected, the driving speed of the vehicle is calculated, and when the calculated driving speed is greater than or equal to a preset speed limit, the vehicle is determined to be a violation vehicle, and a trigger signal for operating the camera set to photograph the violation vehicle; An enforcement apparatus for generating violation information which is unique information to be given to the violation vehicle and information including the driving speed of the violation vehicle, and matching and storing the identification information and the violation information;
And a camera controller for driving the camera to obtain an image when the trigger signal and the identification information are received from the intermittent device, and matching the acquired image with the identification information to the intermittent device.
The control unit detects the violation information corresponding to the identification information received from the camera control device to match the image,
When the camera control device receives the trigger signal, the elapsed time (t), which is the time elapsed from the time of receiving the previous trigger signal to the present, and the processing time (Tsend), which is the minimum time required to enable the next shooting after the start of recording. If the elapsed time (t) of the camera is less than the processing time (Tsend) due to continuous detection of violations within the processing time (Tsend) of the camera, the non-captured information, which is information indicating that image acquisition has failed Generate and transmit the unphotographed information to the identification device by matching the identification information;
The enforcement apparatus is an unmanned traffic control system, characterized in that for matching the violation information corresponding to the received identification information with the unphotographed information. delete

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