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Monitoring applications maturing Electronic police HD clear trend

Issuing time:2017-12-15 00:00

Electronic police system uses dynamic video detection technology, visual recognition technology, computer image processing technology, communication technology and automatic control technology, database technology, using high-definition CCD camera as a detection sensor, real-time processing of dynamic traffic video images. As the eyes of the electronic police, the video camera is the most commonly used video electronic police shooting tool, its performance is stable, easy image transmission. The application of electronic police monitoring and control is also increasingly mature, promising broad prospects for the future.


Electronic police system highlights the advantages


The electronic police system can overcome the interference of the weather, pedestrians, bicycles and environment background changes so as to realize the supervision and inspection of the driving behavior of the motor vehicle and the functions of traffic image monitoring and control. Electronic police system has seven major advantages:


1, the use of advanced video detection technology and car license plate recognition technology, greatly improving the technical content of the system, significantly reducing the system error rate and missed shot rate.

2, the use of advanced virtual detection technology, without breaking the road buried sensors, sensors and other equipment, reducing the project investment.

3, not only record illegal vehicles, but also record the location of illegal (intersection name), illegal red light time (accurate to seconds) and other information for law enforcement provides a wealth of information.

4, the combination of panoramic and close-up, so that the capture of the information more fully, the panoramic picture can be displayed opposite the red light signs, the vehicle did not pass the parking line panorama, the vehicle over the parking line of the illegal process, close-up pictures to fully provide illegal vehicles License plate number, model, vehicle color, etc., to provide sufficient evidence of law enforcement.

5, in the picture directly on the video information character overlay. To ensure the unity of the picture and character information, internal staff is very difficult to tamper with persuasion.

6, the panoramic camera features a high-performance color camera developed for traffic characteristics, close-up camera with high-definition integrated color camera, providing high quality illegal photos and a wide range of shooting.

7, the system uses high-definition image acquisition technology, clear images, color reproduction is good.


Electronic police camera monitoring applications are maturing


The cameras used by the electronic police are mainly the panoramic camera and the close-up camera. The selection of the camera needs to be decided according to the actual application environment. First of all, we must consider two points: First, the camera performance, the performance of the camera is directly related to the ability to take a clear picture under various conditions, can see the license plate at night, the image color is true, to meet the requirements; Second, the reliability of the camera, the camera should be in a variety of evil environment may occur long-term stability, to ensure that the image quality is not deteriorated, the failure rate is low. Road surveillance cameras are installed on a tall pole, the installation, commissioning and maintenance are required for elevated vehicles, but also affect the normal traffic, if the camera failure rate is high, its after-sales maintenance service fees, but also affect the credibility of contractors.


Panoramic camera can choose 1 / 3CCD color camera, 1 / 2CCD color camera, usually used more 1 / 2CCD road surveillance color camera, this camera has low illumination, wide viewing angle, good color, high signal to noise ratio, backlight compensation Good and so on. In the choice of the camera is the performance and the price is proportional to the If the image color, sharpness, signal to noise ratio, illumination and other indicators require a higher or darker local road environment, the general camera can not shoot to meet the requirements of the image, Need to use high-end camera.


Close-up camera is mainly recognized in the license plate to see the vehicle license, such cameras are more types of options, such as: 1 / 2CCD camera, 1 / 3CCD camera plus light system, 1 / 4CCD integrated camera plus light system. According to the image quality requirements and application environment differences, the design of different cameras.


1, night road lighting is good, you can choose more types of cameras, such as low light 1 / 3CCD camera plus a small amount of LED light fill or choose 1 / 2CCD low-light color video camera or integrated camera plus light. If you want to make a clear license plate but also see the body color, but also low-noise high-definition images, only the choice of high-end cameras.


2, the road light is dark, the general camera needs more power to make up the light source, in addition to make a clear license plate, the body contour and color in the picture is poor, the noise point. If using 1 / 2CCD low light camera plus light, you can get better results.


3, the road light is very dark and need to identify the vehicle license plate, such as urban entrances, community entrances, exits and other buildings. As the car headlight is bright, the ambient light is very dark, the light contrast is big, the strong vertical light spot, the clear license plate needs the auxiliary light source, the choice of the camera is also very harsh. If you need to take long-range fill light shots both need to clear the license plate but also see the outline color of the vehicle, which not only requires 1 / 2CCD high definition, low illumination, high signal to noise ratio, good backlight compensation camera, you also need experienced engineering Repeated commissioning of technical staff.


4, in the road monitoring project, often occur at night camera parameters to adjust the image to meet the requirements of poor daytime, or in accordance with the direction of the road will occur strong backlight phenomenon, then the camera in a fixed parameter, can not guarantee that each Time to shoot a satisfactory picture. According to the actual needs of the project, a smart license plate recognition camera has come out, it can automatically adjust the camera parameters according to the monitoring of changes in the scene light, fill light turn on, fill light intensity to achieve full intelligent control, so as to achieve the best results.


Neither the panorama nor the close-up camera options need to meet the minimum specifications. If you want to pursue better video effects or to meet the special needs, you need to select high-performance video camera.


Electronic police system five major trends


With the development of the industry, the future of the electronic police industry will show the following five major trends.


Trend One: Video detection technology will gradually replace the coil detection technology


As the coil detection type electronic police in the installation, it is inevitable to be sealed, broken road construction and installation, so that the road damage more serious. But also faces a lot of hidden dangers such as road dumping and collapse after construction, which results in a lot of waste for manpower, material and financial resources. Video detection technology has the advantages of easy installation (no need to be broken at all), convenient upgrade and low maintenance cost. Therefore, with the video detection technology continues to improve, coil detection technology will gradually be replaced by video detection technology.


Trend two: electronic police product HD, super-Qinghua


The original optical film camera, digital camera capture electronic police, the digital camera using ordinary civilian equipment rather than for the electronic police developed industrial products, technical limitations can not provide continuous picture of the illegal process, there are many shortcomings, Therefore, from the equipment to the performance can not meet the standards of the Ministry of Public Security, has long been out of the stage of history. Today's high-definition industrial-grade network cameras with high-speed continuous shooting, real-time video, video detection, high stability and low failure rate have become the mainstream image acquisition devices in the industry.


Trend 3: Diversification of electronic police functions


The function of the electronic police system will be expanded from illegal vehicle capture to traffic collection, traffic monitoring, traffic guidance and other applications to become the foundation of an intelligent traffic management system. The future of the electronic police system functions will also break the existing run red lights, speeding capture and other unity.


Trend 4: Intelligent electronic police equipment management


Establish equipment tracking based on electronic map, equipment parameter management configuration, equipment failure alarm, equipment operation status report display, etc., to realize intelligent management of equipment.


Trend Five: Electronic Police System Information Sharing


The construction of an integrated intelligent traffic management platform is the only way to promote the electronic police system and realize modern traffic management.


The establishment of road traffic information, vehicle information, equipment information, blacklist information, road junction video data information is equal to one seamless integration with the vehicle driving system, set aside GIS and GPS interface road traffic management information platform to achieve the data Unified storage, organization, processing, to more accurately and effectively ensure the correlation between data, improve information utilization and system efficiency, and lay the foundation for the modernization of road traffic management.


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