KR100925382B1 - Violation Car Enforcement System - Google Patents

Abstract

The present invention relates to an illegal vehicle monitoring system, and more particularly, a fixed illegal vehicle monitoring system capable of automatically recognizing and monitoring a vehicle in violation of a vehicle using an illegal vehicle power supply device and a plurality of video recording apparatuses equipped with wireless communication. to be.

To this end, it includes a central server for storing a plurality of video photographing device and video data offense vehicle for recognizing the vehicle of the surveillance site, recognizing the vehicle number, and issuing a notice of violation,

The image capturing apparatus includes a high resolution camera that acquires images of a plurality of vehicles parked at a surveillance site by mounting a lens having a fixed zoom and focus, and transmitting images obtained from the high resolution camera to the central server through wireless communication means. An intelligent power supply unit for supplying power to the image photographing apparatus using a wireless communication unit, a solar panel or street light power source,

The central server multi-binarizes the image data transmitted from the wireless communication unit, searches the license plate area according to the license plate layout characteristics by scanning method, and scans the license plate area when the license plate area is searched. Vehicle number search and recognition unit for recognizing.

Therefore, the present invention can be installed in the fixed illegal vehicle monitoring system using a wireless communication and intelligent power source and the field image photographing device to a street lamp, so it is not necessary to install poles and cables, so installation or movement, maintenance is easy. In addition, since there is no electric motor lens for the pan tilt device and the zoom focus, there is almost no malfunction due to the mechanical mechanism, which greatly reduces the manpower and time costs of operating the system. And when provided with a plurality of video recording device at a predetermined distance interval can be remotely monitored more than 150m.

Illegal vehicles, illegal parking cars, cameras, wireless communications, solar cells, street lights

Description

 Illegal vehicle monitoring system {Violation Car Enforcement System}

The present invention relates to an illegal vehicle monitoring system, and more particularly, a fixed illegal vehicle monitoring system capable of automatically recognizing and monitoring a vehicle in violation of a vehicle using a plurality of image photographing devices having an intelligent power supply device and a wireless communication device. to be.

In general, the illegal vehicle monitoring system can be used for illegal parking control system, etc. The illegal vehicle control system is a system for controlling illegally parked and stopped vehicles on roads or forbidden parking areas. Illegal vehicle control system, portable illegal vehicle control system, and the like. The fixed illegal vehicle control system is a system that fixes and installs a camera on a pole in a predetermined area where a large number of illegal vehicle vehicles are habitually fixed. The driving illegal vehicle control system is a system that controls a vehicle violating a vehicle while driving with a camera mounted on a monitoring vehicle. The portable illegal vehicle control system is a system in which surveillance personnel use a portable digital device such as a PDA and a digital camera to control the system.

Fixed illegal vehicle control system of the prior art is disclosed in Korean Patent Registration No. 10-0599587. The registered patent specifies several representative points inside the fixed camera view and obtains PTZ (Pan, Tilt, Zoom) values through manual operation for the points, and then interpolates the approximate values for all points except the representative points. By obtaining and storing the data in a lookup table, the present invention relates to a technique for automatically aligning the center of a PTZ camera precisely to a specified point without manual manipulation, regardless of the point specified in the fixed camera view.

Another conventional illegal vehicle control system is disclosed in Korean Patent Registration No. 10-0531608. In the registered patent, the at least one photographing apparatus is installed at an illegal vehicle control point, and sequentially photographs and monitors a surveillance area composed of a plurality of sub-monitoring areas each having a horizontal angle, a vertical angle, and a zoom magnification. do. The center apparatus extracts the license plate area from the image received from the photographing apparatus to determine the vehicle number, and determines the vehicle number.

The vehicle number identified from the lower monitoring area equal to or greater than the first reference time in the quantity number is set as the monitored vehicle number, and the vehicle corresponding to the vehicle number set as the vehicle number to be intercepted for the second reference time or more among the monitored vehicle numbers is illegal. Judging by the vehicle.

Another conventional illegal vehicle control system is disclosed in Korean Utility Model Registration No. 20-0361153. The registered utility model can not only move the camera up and down, but also move in the longitudinal direction of the road to monitor a continuous parking vehicle, and can connect the site where the camera is installed to the central control room using the Internet network at low cost. Is a parking control system.

However, the fixed illegal vehicle control system of the prior art detects and controls a violation vehicle by using a camera equipped with a pan tilt device and a motorized lens for zoom focus adjustment. There is a problem that the accuracy of the pan tilt angle and zoom focus distance is deteriorated by mechanical error. As a result, the user may have to repeatedly set presets or lookup tables for pan tilt and zoom focus, which may reduce system operation efficiency. In addition, the farther the monitoring distance, the narrower the interval between vehicles, there is a problem that can be difficult to monitor, there is a problem that the monitoring is impossible due to the limitation of the zoom focus function in the crackdown over 100m. Another problem is that the construction cost and time for the camera installation takes a lot, and once installed, it is difficult to install mobile.

The system of Utility Model Registration No. 20-0361153 of the prior art has a problem in that it cannot accurately capture a vehicle image because the mechanical mechanism for camera movement is complicated and the utility is inferior, and the camera may be shaken during horizontal movement.

Accordingly, to solve the above problems, an object of the present invention is to provide an illegal vehicle monitoring system that can monitor the illegal vehicle using a plurality of cameras having an intelligent power supply and wireless communication.

It is another object of the present invention to provide an illegal vehicle monitoring system that can monitor a plurality of cameras without limiting monitoring distances or obstructing violations.

Still another object of the present invention is to provide an illegal vehicle monitoring system that can install a surveillance camera without wires or video cables for power reception.

The illegal vehicle monitoring system of the present invention for achieving the above object,

It includes a plurality of video recording device for photographing the vehicle of the surveillance site and the central server for storing the recorded video data, recognizing the vehicle number, issuing notice of violation,

The image capturing apparatus includes a high resolution camera that acquires images of a plurality of vehicles parked at a surveillance site by mounting a lens having a fixed zoom and focus, and transmits images obtained from the high resolution camera to the central server by a wireless communication method. An intelligent power unit for supplying power to the image photographing apparatus by using a wireless communication unit, a solar panel or street light power source,

The central server multi-binarizes the image data transmitted from the communication network, performs a region boundary boundary, and then scans a license plate area that matches the license plate arrangement characteristic by scanning method. The vehicle number search and recognition unit is provided.

The present invention uses a wireless communication and intelligent power in a fixed illegal vehicle monitoring system and can be installed on the street lamp so that the installation of the pole and the cable is not necessary because the installation and moving, maintenance is easy. In addition, since there is no electric motor lens for the pan tilt device and the zoom focus, there is almost no malfunction due to the mechanical mechanism, which greatly reduces the manpower and time costs of operating the system. And when installed with a plurality of video recording device at a predetermined distance intervals can be remote monitoring of 150m or more, which can be called the limit distance of the conventional fixed automatic monitoring.

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

1 is a view for explaining an embodiment of the system site operation according to the present invention.

1 illustrates a case in which an image photographing apparatus of field equipment is installed in a street lamp. The on-site equipment consists of a camera (30, 30 ') for acquiring images of a vehicle in violation of the parking stop, an intelligent power supply unit (20, 20') for power supply, a wireless communication unit (not shown in the drawing), and field equipment for image transmission. It consists of street lights (10, 10 ') to fix the installation, LED display boards (100, 100') to express a parking monitoring message. The illegal vehicle violation monitoring system of the present invention does not require installation and construction of a pole for fixing a camera since the image photographing apparatus may be installed and operated in a street lamp or a roadside tree. In the city, street lamps are usually installed at intervals of 20 to 30 meters. That is, when the image photographing apparatus is installed for every five street lights, the distance of about 100 to 150 m and more can be monitored. As the number of video cameras increases, more remote monitoring is possible. A single image photographing device incorporates a high resolution camera to acquire images of one or more vehicles.

2 is a system block diagram of an embodiment according to the present nickname.

The system of an embodiment according to the present invention is largely composed of a first image photographing apparatus 40, a second image photographing apparatus 50, an N-th image photographing apparatus 60, and a central server unit 90.

Each of the image capturing apparatuses 40, 50, and 60 has a camera 41, 51, 61 for acquiring vehicle images, and a radio for transmitting the images acquired by the cameras 41, 51, 61 to the central server unit 90. And an intelligent power supply unit 43, 53, 63 for supplying power to the communication unit 42, 52, 62 and the image photographing apparatus 40, 50, 60.

The cameras 41, 51, and 61 use an image sensor having a wide range high resolution function to acquire a plurality of vehicle images. That is, an image sensor having a resolution of about 1.3 million pixels (1280 x 1024) or 2 million pixels (1600 x 1200) is used. In addition, the cameras 41, 51, and 61 are equipped with a general manual lens, and use a fixed zoom and focus function set at the time of installation. In addition, a processor is built into the cameras 41, 51, and 61 to perform lossless compression and network processing. Since images are acquired in high resolution, they are compressed losslessly to save time during transmission. Image transmission from the cameras 41, 51, and 61 may be transmitted according to a request command of the central server unit 90, or may be transmitted to the central server unit 90 at regular intervals (for example, one second time). .

The wireless communication units 42, 52, and 62 transmit images acquired by the cameras 41, 51, and 61 to the central server unit 90. The wireless communication units 42, 52 and 62 of the embodiment of Figure 2 use a wireless modem. Examples of wireless communication networks include Wibro, WCDMA, which is a third generation communication method, and fourth generation communication. When using a WiBro network, the wireless communication unit 42, 52, 62 uses a WiBro modem terminal. The WiBro modem terminal is installed in the central server 90 in the same way to receive images from each monitoring site.

The intelligent power supply units 43, 53, and 63 may use a power source using a solar cell panel or a street lamp power source. Details of the intelligent power supply units 43, 53, and 63 will be described with reference to FIGS. 3 and 4.

The central server unit 90 stores the images received by each of the image capturing devices 40, 50, and 60 of the monitoring site, and performs a vehicle number recognition function and a violation notification notice issuing function. The central server unit 90 stores the received image by category classification such as date and time, monitoring place, and the like. In addition, the vehicle is searched by analyzing the received image, and the automatic recognition function is provided if the vehicle number exists as a result of the search. Since images are acquired by a high resolution camera, there may be a plurality of vehicles in one image. Therefore, a vehicle search and recognition algorithm is needed to recognize all vehicles present in an image.

In the present invention, the image received from the surveillance site is analyzed to calculate a predetermined threshold, and then converted into a plurality of binary images by performing multiple binarization operations. Region Boundary is performed for each binary image by block analysis. The following selects only regional boundary blocks that match the license plate specification characteristic value area. Next, the vehicle license plate position is searched while scanning the binary image of the selected block. The vehicle number data is automatically recognized when the search is completed. Vehicle number data recognition uses conventional known techniques.

When the vehicle number data is recognized, the recognized vehicle image is stored and a search is made whether the same vehicle number exists after a predetermined monitoring time. If the same vehicle is found after the monitoring time, it is judged as a parking vehicle violation, and the vehicle image is stored in a separate storage space and a violation notification notice is issued.

The central server unit 90 has a detection alarm function for failures, thefts, and breaks of the image capturing apparatuses 40, 50, and 60. If an image is not received from each of the image capturing apparatuses 40, 50, and 60 for a predetermined period, each alarm message is output to prompt action.

3 is a block diagram of an intelligent power supply unit using a solar cell panel according to the present invention.

The intelligent power supply units 43, 53, and 63 of FIG. 3 may include a solar cell panel 110, an auto charger 120, a battery 130, an on-open sensor 140, an auto cut controller 150, and a step-down regulator ( 160).

The solar cell panel 110 uses a single crystalline silicon material. Monocrystalline silicon is a high quality material with high purity and low crystal defect density, and high efficiency can be obtained. It measures 296 (W) * 296 (D) * 40 (H) and weighs 1.8kg. The maximum peak power is 8Watt, and the output capacitance voltage and current is 8.3V / 960mA. Autocharger 120 has an overcharge protection function of the battery 130, the charging voltage is 7.5V, the current is 2.5A. Storage battery 130 is a device for storing power, using a battery of 6V and 10AH capacity. The on-open sensor 140 uses a digital timer or illuminance sensor and switches the charging mode and the load power supply mode. That is, according to a predetermined time, the power is stored in the battery 130 in the charging mode, and in the load power supply mode, the power is supplied to the image photographing apparatus 40, 50, 60 and the LED display board 100, 100 ′. .

The auto-cut controller 150 serves as an over-discharge protection circuit to automatically cut off when the voltage of the battery 130 is 5 V or less. Step-down regulators adjust the voltage. The input voltage is 6-40V, and the output voltage / current is 5V / 3A.

4 is a block diagram of an intelligent power supply unit using a street light power source according to the present invention.

The intelligent power supply units 43, 53, and 63 of FIG. 4 include a street light power supply 170, an auto charger 120, a storage battery 130, an on-open sensor 140, an auto cut controller 150, and a step-down regulator 160. It consists of.

Street light power supply 170 is controlled by a central control unit, it is automatically cut off during the day and the power is automatically supplied at night. The intelligent power supply unit of the present invention uses the power stored in the battery 130 during the day, and uses the street light power at night.

The autocharger 120 has an overcharge preventing function of the battery 130, the charging voltage is 7.5V, the current is 2.5A. It also outputs 12V for night power supply. Storage battery 130 is a device for storing the power to use the daytime power, using a battery of 6V and 10AH capacity. The on-open sensor 140 uses a digital timer or illuminance sensor and switches the charging mode and the load power supply mode. That is, according to a predetermined time, the power is stored in the battery 130 in the charging mode, and in the load power supply mode, the power is supplied to the image photographing apparatus 40, 50, 60 and the LED display board 100, 100 ′. .

The auto-cut controller 150 is an over-discharge protection circuit, and automatically cuts off when the voltage of the battery 130 is 5 V or less. Step-down regulators adjust the voltage. The input voltage is 6-40V, and the output voltage / current is 5V / 3A.

The present invention can be used in the illegal vehicle monitoring system operated in each municipality. In addition, it is installed in alleys and can be used for security camera system and monitoring of the target vehicle traveling or located in a specific area (driving in a dedicated lane and monitoring of parking and stopping vehicle or driving and stopping parking on pedestrian road).

1 is a view for explaining an embodiment of a system site operation according to the present invention

2 is a system block diagram of an embodiment according to the present alias.

3 is a block diagram of an intelligent power supply unit using a solar cell panel according to the present invention.

4 is a block diagram of an intelligent power supply unit using a street light power source according to the present invention;

* Description of the main parts of the drawings

10, 10 'street light 20,20': solar panel

30,30 ', 41,51,61: Camera 42,52,62: Wireless communication unit

43, 53, 63: intelligent power supply unit 40: the first video recording device

50: second video recording device 60: N-th video recording device

70: wireless access communication unit 80: the Internet

90: central server 100, 100 ': LED display board

170: street light power

Claims (8)

In order to photograph the vehicle at the monitoring site, a plurality of image photographing devices installed at street lights and LED display boards displaying a warning message for violation of laws and regulations, and the captured image data are stored, the vehicle number is recognized, and the notice of violation is notified. It includes a central server that issues The image capturing apparatus includes a high resolution camera which acquires images of a plurality of vehicles parked at a surveillance site by mounting a lens having a fixed zoom and focus; A wireless communication unit using a WiBro modem terminal or WCDMA communication means to transmit the image obtained from the high resolution camera to the central server through wireless communication means; Including an intelligent power supply unit for supplying a predetermined power value to the image photographing device using a solar panel or a street light power that is turned on at night and storing power in the storage battery, the power stored in the battery is used during the day and the street light power at night. Characterized in that using, The central server multi-binarizes the image data transmitted from the wireless communication unit, searches the license plate area according to the license plate layout characteristics by scanning method, and scans the license plate area when the license plate area is searched. Illegal vehicle monitoring system comprising a vehicle number search and recognition unit for recognizing. delete delete delete The method of claim 1, The LED display board displaying the law violation monitoring-related message uses a power supply of the intelligent power supply unit. The method of claim 1, The high resolution camera acquires images at predetermined intervals, and the obtained images are transmitted to the central server and stored for use in crime prevention security. delete The method of claim 1, And the central server outputs an abnormal alarm or a message when an image is not received from the image photographing apparatus for a predetermined period.

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