In recent years, as an emerging comprehensive transportation management system, intelligent transportation has been a hot topic in the field of transportation at home and abroad. Thanks to the rapid development of intelligent transportation, video surveillance systems have achieved unprecedented development. According to relevant reports, during the “Twelfth Five-Year Plan†period, video surveillance is one of the areas with the largest proportion of intelligent transportation investment in China.
It can be said that video surveillance and intelligent transportation are mutually complementary. At present, the application of video surveillance in intelligent transportation can be roughly divided into three major blocks.
Traffic monitoring systemAs a “moat†for urban security, traffic monitoring is related to urban safety. In the past, due to the lack of intelligence of video surveillance systems, the analysis of road conditions was basically done manually. However, with the innovation and upgrade of video surveillance technology, the work status of this kind of hateful use has been greatly improved.
Computer vision technology, intelligent analysis technology and digital image processing technology are the three magic weapons of intelligent video surveillance. Specifically, intelligent video surveillance uses computer vision technology to process, analyze, and understand video signals. By automatically analyzing sequence images without the need for human intervention, the changes in the monitoring scene are located, identified, and Track and analyze and judge the behavior of the target on this basis. It is understood that China's video intelligent monitoring technology can effectively complete the automatic monitoring of vehicle deceleration, vehicle retrograde, traffic congestion, road smoke and fire, and predict and analyze the traffic flow, vehicle speed, vehicle type, and emergency urgency. Provide the necessary data support for road safety operations and hazardous situation rescue.
The functions described above will be better understood in the security bayonet monitoring system. Real-time snapshots of passing vehicles on the bays of toll stations, traffic or security checkpoints, etc., can obtain data such as vehicle speed, vehicle number, etc., and can perform vehicle dynamic control and illegal alarms. I believe that the audience who saw the "Today's Saying" is no stranger, because the final arrest of each prisoner in the show is inseparable from the "eyes of the security".
Traffic command and guidance systemThe biggest advantage of intelligent video surveillance is that it can accurately obtain traffic status information in real time, and this big advantage has contributed to its other application in intelligent transportation - traffic command and induction.
Using its own camera imaging and recording functions, intelligent video surveillance can perform image processing and video analysis on road conditions, and can integrate all aspects of data information to obtain an overall road situation broadcast, automatically completing the classification of congestion and smooth level.
The most distressing thing about going to work is that I don’t know which road is unimpeded, and which road is congested. Often we will be annoyed for a minute or two of being late, thinking that if we can avoid the tide of blockage, it would be fine. Thanks to the intelligent video surveillance technology, the problem of blocked cars has been solved.
The intelligent video surveillance system can automatically monitor the running trajectory of vehicles in the urban area, such as private cars, taxis, buses, etc. in real time. In the event of a traffic accident, it can immediately assess road traffic conditions, give traffic command recommendations, generate and publish traffic guidance programs and information to better serve traffic conductors and travellers.
Traffic violation managementIn addition, intelligent video surveillance technology can also be applied to traffic violation management. It mainly detects and tracks moving vehicles. Through the control of these information, it can accurately judge the driving behavior of the vehicle and record the violation behavior of the vehicle in detail. As far as the current situation is concerned, the electronic police system is a good example of application in video surveillance technology.
Electronic police, also known as "red light automatic recording system." However, its function is no longer limited to the recording of red light, but also records of violations such as driving in a lane, driving on a lane line, and traveling backwards. The electronic police system utilizes advanced technologies such as optoelectronics, computers, image processing, pattern recognition, and remote data access. Continuous and all-weather real-time recording of vehicles and number plates for each motor vehicle that monitors the road.
It is worth noting that the traditional associated traffic lights have certain limitations and false positives due to the use of ground-sensing coils for judging violations. This problem was solved smoothly by further integration with the video surveillance system. Incorporate video surveillance into smart traffic, use video to judge the status of signal lights, and capture and track vehicle images in vehicle behaviors, vehicle violations, etc., effectively combating speeding, stealing, blacklist motor vehicle crimes for public security departments. Provided information on various illegal activities such as investigating traffic accidents, analyzing traffic conditions, and strengthening public security management.
Conclusion: With the acceleration of urbanization, there will be more and more people and cars in the city in the future, but the governance of traffic congestion cannot be improved simply by increasing or broadening the road. How to make the roads in the middle of the order, with "intelligence" in the preface? I believe that intelligent video surveillance can contribute more power in it.
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