KR100801936B1 - Mobile illegal parking control system - Google Patents

Abstract

An image photographing unit for photographing a vehicle in real time; An image reading unit which analyzes the image photographed by the image photographing unit, determines the movement of the vehicle, and converts the image corresponding to the vehicle image into a corresponding vehicle image and stores the image; A number recognition unit for recognizing a number of the stop vehicle from the vehicle image of the image reading unit and generating vehicle number information corresponding thereto; A location information receiver for outputting location / time information of an area where the vehicle image is captured from a GPS satellite; A vehicle information processing unit for comparing vehicle number information of the number recognition unit with pre-stored registered vehicle information and outputting vehicle information corresponding to the vehicle and transmitting the vehicle information to a corresponding engine; A display unit which displays the captured image of the image capturing unit, the vehicle image of the image reading unit, the vehicle number information of the number recognition unit, the location / time information of the location information receiving unit, and the vehicle information of the vehicle information processing unit; And a control unit electrically connected to the components to control the components.

Parking lot, Parking management system, Camera, Vehicle, Mobile, Illegal parking, Number recognition

Description

Movable regulation system for illegal stoping and parking car}

1 is a block diagram showing the configuration of a mobile illegal parking control system according to a first embodiment of the present invention;

FIG. 2 is a perspective view illustrating a parking enforcement vehicle to which the parking regulation system of FIG. 1 is applied; FIG.

3 is a plan view illustrating photographing an illegal parking vehicle while the parking enforcement vehicle of FIG. 2 is traveling; And

Figure 4 is a block diagram showing the configuration of a mobile illegal parking control system according to a second embodiment of the present invention.

* Explanation of symbols for main parts of the drawings

110: image recording unit 120: image reading unit

130: number recognition unit 140: location information receiver

150: vehicle information processing unit 160: display unit

170: control unit 180: speed measurement unit

The present invention relates to a parking control system, and more particularly, to a mobile illegal parking control system that can detect an illegal parking vehicle by recognizing a number of illegally parked vehicles while moving a vehicle.

Fines are imposed on parked vehicles that are illegally parked in order to facilitate traffic.For the purpose of fines, police officers take pictures of illegal parked vehicles and use them as evidence or install cameras on the road. The method is used.

However, increasing the number of officers to crack down on illegally increasing illegal parking vehicles has resulted in increased crackdown costs, and has led to constant frictions with drivers during crackdowns. Then, the illegal parking behaviors are not eradicated. In addition, when installing the camera on the road there is a problem that it is very difficult to catch a parking stop violation by avoiding the camera shooting possible area.

Accordingly, in order to solve the above problems, a method of photographing an illegal parking vehicle while moving and installing a camera in a vehicle has been proposed.

However, the installation cost is increasing due to the use of expensive digital photographing means, and the evidence is insufficient only by the photograph and the time taken of the vehicle (even when the illegal parking vehicle is moving slowly in the illegal parking area for normal operation). The problem of being photographed with illegal parking vehicles has been raised.

In addition, since the illegal parking vehicles are photographed while passing, the number plates of illegal parking vehicles can be read when the illegal parking vehicles are parked at adjacent intervals or when the license plates of the illegal parking vehicles are obscured by obstacles. There was a problem that the recognition rate is lowered because the picture is not taken.

Accordingly, an object of the present invention is to provide a mobile illegal parking control system that can be installed by attaching an analog camera to the illegal parking control vehicle and photographing the license plate of the illegal parking vehicle to reduce the installation cost.

Another object of the present invention is to determine whether the vehicle is illegally parked in an illegal parking area or a vehicle moving from the illegal parking area, thereby preventing the moving vehicle from being recognized as an illegal parking vehicle. To provide an enforcement system.

In addition, another object of the present invention is to improve the recognition rate of the vehicle number by overcoming the limited shooting conditions (condition that the license plate is not photographed due to obstacles such as the gap between the front car and the rear car) by continuously shooting the illegal parking vehicle in real time To provide a mobile illegal parking enforcement system that can be made.

According to the present invention, the image taking unit for photographing the vehicle in real time; An image reading unit which analyzes the image photographed by the image capturing unit, determines the movement of the vehicle, converts the image corresponding to the image into the vehicle image, and stores the image; A number recognition unit for recognizing a number of the stop vehicle from the vehicle image of the image reading unit and generating vehicle number information corresponding thereto; A location information receiver for outputting location / time information of an area where the vehicle image is captured from a GPS satellite; A vehicle information processing unit for comparing vehicle number information of the number recognition unit with pre-stored registered vehicle information and outputting vehicle information corresponding to the vehicle and transmitting the vehicle information to a corresponding engine; A display unit which displays the captured image of the image capturing unit, the vehicle image of the image reading unit, the vehicle number information of the number recognition unit, the location / time information of the location information receiving unit, and the vehicle information of the vehicle information processing unit; And a control unit electrically connected to the components to control the components.

The image photographing unit may include a CCTV camera installed at a predetermined angle on an upper side of the vehicle stopping vehicle to photograph the illegal vehicle stopping as an analog image when the vehicle is running. A photographing angle adjusting member for adjusting a photographing angle of the CCTV camera; And it is preferable to include a backlight blocking means for blocking the backlight or diffuse reflection of the CCTV camera.

In addition, the vehicle number information preferably includes alphanumeric string data and color data of the vehicle number.

In addition, it is preferable to further include a speed measuring unit for generating vehicle movement information by measuring the speed of the vehicle on one side of the CCTV camera.

The speed measuring unit may further include: laser emitting means for emitting laser light to the illegal parking vehicle; An optical fiber for causing the laser light emitted from the laser emitting means to enter the laser detecting means; Laser focusing means for converging laser light reflected by the vehicle; Laser detection means for converting the focused laser light into an electrical signal; Distance detecting means for calculating a separation distance of the vehicle from the electrical signal of the laser light; And speed detecting means for detecting a moving speed of the vehicle by the distance.

The control unit may further include: first coordinates measured by the position information receiving unit; first coordinates measured according to the sum of the first relative coordinates according to the first relative speed of the vehicle under measurement measured by the speed measurement unit; After the passage, the second coordinates by the position information receiver and the second coordinates of the vehicle measured according to the sum of the second relative coordinates according to the second relative of the vehicle measured by the speed measurement unit are compared, thereby making it illegal for the vehicle under measurement. It is desirable to determine whether or not parking.

The image reading unit may include converting an analog image photographed by the image photographing unit into each frame; Continuously comparing the entire area of each frame; Determining that the vehicle is stopped for illegal parking if the image of the one frame and the next frame are the same, and determining that the vehicle moves for normal driving if the image is different from each other; Extracting branching, bending, curvature, and shading lines of shapes of frames in which the vehicle is photographed; Deleting a frame from which the branch, bend, curvature, and shadow lines of the shape are extracted, and digitally converting a frame in which the image of the vehicle is clearly displayed among the undeleted frames and storing the image as a vehicle image of the vehicle It is preferably carried out by the step of.

The number recognition unit may include: a vehicle number area extraction step of extracting a vehicle number area by examining an entire area of the vehicle image, and a preprocessing / binarization step of preprocessing and binarizing the vehicle number area; A character string (numeric string) / color gamuting step of removing noise from the preprocessed and binarized images and extracting a number region and a color region using region analysis; And a character / color array recognition step of recognizing the character / color of the vehicle number and its arrangement by comparing the data that has undergone the character string / color gamutation step with a specific value of the character / color stored in the actual character / color recognizer. It is desirable to be.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

In the following description of the present invention, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, a detailed description thereof will be omitted.

1 is a block diagram showing the configuration of a mobile illegal parking control system according to a first preferred embodiment of the present invention, Figure 2 is a parking stop vehicle to which the parking control system of Figure 1 is applied to photograph the illegal parking vehicle while driving It is a top view which showed that.

In the mobile illegal parking control system according to the first embodiment of the present invention, as shown in Figs. 1 and 2, the image capturing unit 110, the image capturing unit for photographing the vehicle parked in the illegal parking area in real time An image reading unit 120 analyzing the image photographed by 110 to determine whether the vehicle is an illegal parking vehicle or a moving vehicle for normal driving, and converting the image corresponding to the vehicle image into a corresponding vehicle image and storing the image; Recognizing the number of the parking vehicle from the vehicle image stored in the image reading unit 120, the number recognition unit 130 for generating vehicle number information corresponding thereto, and receiving the driving track of the parking enforcement vehicle from a GPS satellite (not shown) The location information receiver 140 for outputting the location / time information of the region where the vehicle image was taken, and the vehicle number information of the number recognition unit 130 and the database (not shown) The vehicle information processing unit 150, the image captured by the image capturing unit 110, and the vehicle of the image reading unit 120 to output vehicle information corresponding to the vehicle and transmit the information to the server of the engine in comparison with the stored registered vehicle information. Display unit 160 and the components to display the image, the vehicle number information of the number recognition unit 130, the location / time information of the location information receiver 140 and the vehicle information of the vehicle information processing unit 150 in the corresponding area The controller 170 is electrically connected to control the components.

The image capturing unit 110 is a CCTV camera installed at a predetermined angle on the upper side of the vehicle stopping vehicle 101 to record an illegal parking vehicle as an analog image when inputting a signal from an input unit (not shown) during operation of the vehicle stopping vehicle 101. And a shooting angle adjusting member (not shown) installed at the lower portion of the CCTV camera 111 to change the shooting angle of the camera. Here, the CCTV camera 111, backlight blocking means such as a diffuse reflection filter or a polarizing filter for preventing the license plate of the vehicle is not clearly photographed due to the backlight or diffuse reflection by the headlight or sunlight of the vehicle (not shown) It is preferable to further provide.

Therefore, the image capturing unit 110 can reduce the cost because the CCTV camera 111 of cheaper price than the digital camera is adopted as the equipment for shooting the illegal parking vehicle, and automatically through the shooting angle adjusting member Since the photographing angle of the camera 111 can be set, it is possible to prevent the license plate of the vehicle from being clearly photographed due to limited photographing conditions.

The image reading unit 120 detects the movement of the vehicle by comparing analog images continuously captured by the CCTV camera 111 of the image capturing unit 110 in real time, and for this purpose, a motion detection algorithm. Use

Here, the motion detection algorithm, converting the analog image photographed by the CCTV camera 111 into each frame (for example, 30 frames per second), the step of continuously comparing the entire area of each frame with each other Determining that the vehicle is stopped for illegal parking if the images of one frame and the next frame are the same, and determining that the vehicle moves for normal driving if the images are different from each other; Extracting branches, bends, bends and shaded lines of the shape, deleting frames from which the branches, bends, bends and shaded lines of the shape are extracted, and images of the vehicle among the undeleted frames Digitally converting the frames that appear clearly and storing them as vehicle images for the vehicle. The.

Accordingly, the image reading unit 120 may determine whether the vehicle is a stationary vehicle or a moving vehicle by using the motion detection algorithm.

In addition, since the vehicle removes a frame damaged by noise or shadow among the frames of the captured image, and stores the clearest frame of the image among the remaining frames, the analog image captured in real time can be processed quickly to avoid the overload. You can prevent it.

The number recognition unit 130 generates vehicle number information corresponding to the number of the vehicle by using a license plate recognition algorithm from the image of the vehicle stored in the image reading unit 120.

Here, the license plate recognition algorithm is a vehicle number area extraction step of extracting a vehicle number area by examining the entire area of the vehicle image, a preprocessing / binarization step of preprocessing and binarizing the vehicle number area, Text (Color) / Color Segmentation step and Number / Color Segmentation step, which removes noises from the preprocessed and binarized image and extracts the number and color areas using area analysis. And a character / color array recognition step of recognizing the character / color of the vehicle number and its arrangement according to a specific value of the character / color stored in the recognizer.

Accordingly, the vehicle number information generated by the vehicle number recognition algorithm includes character / numeric string data for the vehicle number and color data for the vehicle license plate in the same arrangement as the actual license plate of the vehicle is reduced.

The location information receiver 140 receives the location / time information of the area where the vehicle image is captured from the GPS satellites and provides the vehicle image and the vehicle number information to provide evidence capability that was merely a problem with the vehicle image and the time information. Improve.

The vehicle information processing unit 150 compares the vehicle number information and the registered vehicle information previously stored in a database (not shown) to determine whether it is a simple illegal parking vehicle that violates a resident-first parking area, an illegal vehicle such as theft, nonpayment of money (arrangement) Vehicle) and outputs the corresponding vehicle information, and if the vehicle is a simple illegal parking vehicle, transmits the vehicle image, the vehicle number information, and the location / time information to a server of an administrative agency having jurisdiction for parking, and processes the vehicle. In the case of this illegal vehicle, the vehicle number information and location / time information are transmitted to a server of an administrative agency having jurisdiction over an arrangement.

Here, the registered vehicle information compared with the vehicle number information of the number recognition unit 130 by the vehicle information processing unit 150 may be supplied from the outside through a communication network without being previously stored in the database, the registered vehicle The information includes vehicle information such as occupant-first parking vehicle, stolen vehicle, and tax delinquent vehicle.

In addition, the vehicle information processing unit 150 is the same position for the predetermined time when the vehicle information input after a predetermined time (for example, 5 minutes) and the vehicle information input before a predetermined time (for example, 5 minutes) are the same. It is desirable to be able to indirectly prove that the illegal parking in the transmission to the server of the administrative authority jurisdiction of the parking control to be processed.

The display unit 160 includes a monitor device that allows a driver or a passenger to supervise the operation of the system with respect to the bully parking vehicle, and the analog image captured by the CCTV camera 111 of the image capturing unit 110. A space in which images are digitally converted and displayed in real time, a space in which an image of the vehicle stored in the image reading unit 120 is displayed, and a space in which vehicle number information corresponding to the image of the vehicle in the number recognition unit 130 is displayed. And a space in which the position / time information of the GPS receiver 140 is displayed and a space in which the vehicle information of the vehicle information processor 150 is displayed.

The controller 170 may be electrically connected to each of the components to control the components, and may transmit and receive data to and from a server of an external administration when transmitting a corresponding signal from the components.

Therefore, according to the first exemplary embodiment of the present invention, the illegal parking vehicle is photographed in real time and the image is analyzed to determine whether the vehicle is a illegal parking vehicle or a vehicle that is moving for normal operation, and through the corresponding image. By recognizing the number of the vehicle, it is possible to avoid illegal parking control for the moving vehicle and to prevent the recognition rate of the vehicle number from being lowered by the limited photographing element.

On the other hand, Figure 3 is a block diagram showing the configuration of a mobile illegal parking control system according to a second embodiment of the present invention, Figure 4 is a block configuration showing the configuration of the speed measuring unit in the mobile illegal parking control system of Figure 3 It is also.

According to the first preferred embodiment of the present invention, in order to determine the motion of the illegal parking vehicle continuously by the CCTV camera 111 of the image photographing unit 110 using the motion detection algorithm of the image reading unit 120. Although the analog image photographed is compared in real time, the second preferred embodiment of the present invention determines the movement of the illegal parking vehicle through the speed measuring unit 180 and according to the determination result of the image capturing unit 110. By analyzing the analog image, it is possible to prevent the overload of the image reading unit 120.

As shown in FIG. 3, the second preferred embodiment of the present invention further includes a speed measuring unit 180 in addition to the components of the first preferred embodiment of the present invention.

2 to 4, the speed measuring unit 180 is installed outside the parking stop vehicle 101 or on one side of the CCTV camera 111 of the image photographing unit 110, and the illegal parking vehicle. A laser emitting means 181 for emitting laser light, an optical fiber 182 for injecting laser light emitted from the laser emitting means 181 into the laser detecting means 184, and a laser for focusing laser light reflected by the vehicle Focusing means 183, laser detection means 184 for converting the focused laser light into an electrical signal, distance detection means 185 for calculating the separation distance of the vehicle from the electrical signal of the laser light, by the distance A speed detecting means 186 for detecting a moving speed of the vehicle and a control means 187 for controlling the components, such that the vehicle is a vehicle that is stopped for illegal parking, moving slowly for normal driving Vehicle movement information for determining whether the vehicle is in progress is generated.

Therefore, according to the second exemplary embodiment of the present invention, first, the first relative speed at which the relative speed of the vehicle under measurement is measured by the speed measuring unit 180, and at this time, the location information receiver 140 receiving position information from the GPS satellites Position information and the identification number of the vehicle under measurement by the number recognition unit 130 as first data.

Thereafter, after a predetermined time has elapsed, the second relative speed at which the relative speed of the relative vehicle is measured by the speed measuring unit 180 at the same or near position, at this time, the position information and the number recognition unit 130 by the location information receiving unit 140. ) Stores the identification number of the vehicle under measurement as the second data.

Thereafter, the controller 170 compares the first data with the second data to detect an illegal parking vehicle.

At this time, after comparing the data, the relative vehicle position analysis unit (not shown) analyzes the first position of the vehicle under measurement by the first relative speed at the same position, and then, the vehicle of the vehicle under the specified second relative speed is analyzed. Perform a second location analysis. Here, the position analysis of the vehicle under measurement is a result obtained by adding the coordinates obtained by the relative speed x light traveling time to the coordinates of the position information receiving unit 140.

Thereafter, the controller 170 compares the first position and the second position of the vehicle under measurement analyzed by the position analyzer (not shown), and determines that the parking is illegal when the vehicle is in the same position.

Therefore, when the vehicle is a moving vehicle, comparing the entire region of each frame with respect to the image of the vehicle photographed by the image capturing unit 110, and if the image of any one frame and the next frame is the same If it is determined that the vehicle is stopped for illegal parking and different from each other, the step of determining that the vehicle is moving for normal driving is omitted, thereby reducing the amount of data to be processed in real time by the image reader 120. Overload is avoided and this allows for rapid processing.

In the above-described invention, specific embodiments have been described, but various modifications may be made without departing from the scope of the invention. Therefore, the scope of the invention should not be defined by the described embodiments, but should be defined by the claims and their equivalents.

As described above, according to the present invention, by using the camera attached to the illegal parking control vehicle by photographing the license plate of the illegal parking vehicle with an analog camera, the installation cost can be reduced.

In addition, by determining whether the vehicle is an illegal parking vehicle or a moving vehicle, it is possible to prevent the moving vehicle from being recognized as an illegal parking vehicle.

In addition, by determining the illegal parking stop of the vehicle by measuring the speed of the vehicle, it is possible to omit the process of analyzing the captured image of the vehicle to prevent the overload caused by the system.

In addition, by continuously photographing the illegal parking vehicle in real time, it is possible to improve the recognition rate of the vehicle number by overcoming limited photographing conditions (conditions in which license plates cannot be photographed due to obstacles such as gaps between the front and rear vehicles).

Claims (8)

Image capture unit for real-time recording of the vehicle parked in the illegal parking area, the image reading unit for analyzing the image taken by the image capture unit to determine the movement of the vehicle and converts the image corresponding to the vehicle image and save A number recognizing unit for recognizing the number of the stopped vehicle from the vehicle image of the image reading unit and generating vehicle number information corresponding thereto, and a location information receiving unit for outputting location / time information of the area where the vehicle image is captured from the GPS satellites; And a vehicle information processing unit for comparing the vehicle identification information of the number recognition unit with the pre-stored registered vehicle information and outputting the vehicle information corresponding to the vehicle and transmitting the vehicle information to the corresponding engine, the captured image of the image photographing unit, the vehicle image, the number of the image reading unit Vehicle number information of the recognition unit, position / time information of the location information receiver and the difference of the vehicle information processing unit Is electrically connected to the information on the display portion and the portions configured to display the corresponding area in the removable illegal parking enforcement system comprising a control unit for controlling the configuration portions, Laser emitting means for emitting laser light to the illegal parking vehicle; An optical fiber for causing the laser light emitted from the laser emitting means to enter the laser detecting means; Laser focusing means for converging laser light reflected by the vehicle; Laser detection means for converting the focused laser light into an electrical signal; Distance detecting means for calculating a separation distance of the vehicle from the electrical signal of the laser light; And And a speed measuring unit configured to detect a moving speed of the vehicle by the distance. The vehicle to be measured according to claim 1, wherein the controller is configured to add a first coordinate by the position information receiver and a first relative coordinate according to a first relative speed of the vehicle under measurement measured by the speed measurement unit. And after comparing a second coordinate by the position information receiver and a second measured vehicle coordinate according to the sum of the second relative coordinates according to the second relative of the measured vehicle measured by the speed measuring unit. Mobile parking control system, characterized in that to determine whether the illegal parking of the measurement vehicle. delete delete delete delete delete delete

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