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Road probe in fact flaw many license plates capture 100%?
At present, road surveillance vehicle capture violations mainly rely on the evidence collection of illegal vehicles and the capture of license plate information. As for whether the license plate can guarantee the efficient and clear presentation at all times, it has always been an important direction for misunderstanding equipment defects. In fact, in the work of road surveillance cameras, the capture of vehicles is not foolproof. In the adoption of equipment, due to the diversity of the license plate environment, in the event of some external environmental interference, such as rain, foggy days, or when the light is too dark, it will pose a great dilemma for the capture of vehicle license plates.
This is mainly because in the capture work of the vehicle, the license plate image is extracted and the license plate characters are segmented. Then identify the content. Therefore, if the camera is under normal light sight, the camera will easily find the target, and quickly capture the focus to capture it, and then extract very clear license plate information as a violation of the record. However, if the light in the shooting environment is not very good, and the vehicle moves too fast, it will have a great impact on the overall effect of the capture. As a result, the difficulty in regional positioning and character segmentation ultimately affects the recognition effect of vehicle information.
You can not have it both ways?
One of the biggest difficulties in the work of capturing a vehicle is focusing on the high-speed moving object. Especially for the snapping of speeding vehicles, the need for clearness, which is both accurate and necessary, is very high. However, as far as the current high-definition implementation is concerned, it is often achieved by relying on multiple shots of the lens or slow, detailed capture. This mode of speed and quality is undoubtedly a huge challenge for the equipment.
In addition, the capture of high-definition video due to the wide coverage of the image. Therefore, several license plates may appear simultaneously in one scene. And how to identify which vehicle is illegal and at the same time can handle the next incident soon after processing the last case. And to ensure that there is no leakage of the vehicle. Under the existing technology, it is still difficult to achieve a perfect state.
Degradation performance degradation?
At present, the traffic control department has many requirements for the cleanliness of vehicles. Maintaining the cleanliness of the license plate is one of the most important measures. At present, the recognition of surveillance cameras is very important for the license plate characteristics. Excessive features may cause the device to be out of focus. For some large-scale engineering vehicles, the defacement of license plates can be said to have become commonplace. However, this is a very common situation, it can be said that almost "erased" the vision of the surveillance camera, resulting in "selective blindness" of the surveillance camera. Therefore, how to make the road monitoring camera in the future easier to set the focus quickly is one of the main directions for road camera demand.
Different models can not see?
At present, despite the characteristics and size of the traffic control department and the largest number of unified vehicle number plates. However, for different models, it is difficult to achieve complete unification of the number plate. For the monitoring equipment, if it is to achieve high-quality tracking of the number plate, the unity of the shape of the number plate is a very important factor. . For our pre-scheduled capture range, a license plate that is too large or too small will cause the camera to “ignoreâ€. Therefore, this is also plaguing the normal review of illegal information.
Can HD-SDI become a savior?
In recent years, the construction of a safe city has begun to take shape in many cities. In the entire city's operation and management, video surveillance cameras have increasingly become the main pillar of the system, and everyone's demand for monitoring capabilities is also growing. Currently, many city front-end cameras have been equipped with high-definition imaging capabilities, but if the overall analysis from the front-end, mid-end and back-end. This increase in demand also requires the progress of the entire system to be solved.
For the digital HD camcorder, from its own characteristics, it has a higher picture quality and a wider coverage. In addition, under the role of digital technology, it can also effectively reduce the size of high-definition systems, to avoid complex video images, control and circuit transmission and so on. At the same time, it can also reduce the pressure on the back-end equipment.
In addition, from the structural analysis, digital high-definition cameras also use the most advanced photoreceptors, so that the image details can be presented more clearly and more delicate. The progressive scanning method can also provide better image quality, effectively solve the comb blur caused by interlaced scanning, and provide favorable conditions for smart analysis and other applications. This is for license plates and even face recognition. It is of great significance.
For the back end, the front-end HD-SDI device can more realistically transfer the front-end scene to the back end more quickly. Therefore, in the center of control, more timely processing. In general, this systematic improvement has been achieved. It also prompted the transition of the monitoring system to digital in recent years. Of course, to solve the technical problems mentioned before, doomed to need a long process, and this is an important basis for the development of equipment.
From the above analysis we can see that the current road monitoring system does have a long way to go. Being foolproof is still one of the good things in the application. Of course, this cannot be one of the reasons we are lucky. After all, under the current system, it is very difficult for the lucky ones to experience "lucky timing." Therefore, although the current road monitoring equipment is still in the process of growing up, but obeying traffic safety, keeping in mind traffic regulations is also an important process in our “growthâ€. Moreover, the "accidental encounter" with several hundred dollars to the game, it looks like it is really worthless, you say right?
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How does monitoring technology apply to electronic eye work?
If you ask drivers on the road who are afraid of driving, I am afraid that many drivers will give the same answer: If you are afraid of *, you may be afraid of the electronic eye. Today, there are numerous voices that discuss whether road surveillance cameras are flawed. However, in the face of many rousing discussions, none of us dared to take risks out of their own lives. Therefore, whether road surveillance cameras have any flaws in the end is still a mystery to many people. However, this mystery can finally be solved. Of course, what I use is not to try my best, but to use technology! Knowledge is power.