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When the light is red, the monitoring instrument will automatically monitor the sidewalk. So as to capture pedestrians.
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The automatic snap alarm system has some strict infrared settings, so it can identify those who run red lights.
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I think the automatic capture alarm system should be based on infrared and then capture.
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Because when a red light is run, pedestrians will be filmed and the alarm system device will be triggered.
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This is the principle of sensors and electronics, and sensors transmit information.
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If there are still pedestrians crossing the road on a zebra crossing when the pedestrian signal is red, the system will automatically take an image of one of the people and form a **. A megaphone is specially installed on the light pole to timed the sound of "please take the zebra crossing, don't run the red light".
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It should be set according to the remote infrared alarm system, as long as someone runs a red light, it will automatically alarm.
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That is, the automatic alarm program set by the automatic alarm system may be installed on the camera.
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It should be face recognition, by comparing it with the face of the database.
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1. The electronic eye uses the induction line to sense the pressure from the car on the road, collects the signal through the sensor to the first processor, and sends it to the register for temporary storage;
2. In the same time interval (red light cycle), if two pulse signals are generated at the same time, it is regarded as "valid", simply put, if the red light is at that time, your head wheel crosses the line, and the rear wheel does not go out, then only one pulse is generated, and when there are no continuous two pulses, do not take pictures;
3. When the yellow light is on, the camera system will start after a delay of 2s; When the red light is on, the system has been started; When the green light is about to turn on, turn off the system 2s in advance, mainly to prevent false shots.
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Under normal circumstances, at traffic intersections, there are two ways to take pictures of running red lights, one is to bury an induction coil underground, and a digital camera is set up on the crossbar to capture the red light, and the other is to set up a camera for speeding, running a red light, illegal parking, etc. Either way, at least three ** will be taken for the illegal vehicle, one is an instant violation**, one is the number plate recognition**, and one is a panorama**. And both methods are 24-hour boot shooting, ** retention time is generally one week.
Second, the principle of running a red light to take pictures.
Specifically, what is the principle of running a red light and taking pictures? Under normal circumstances, the electronic eye uses an induction wire to sense the pressure from the car on the road, and collects the signal through the sensor to the ** processor and sends it to the register for temporary storage (the data is valid for a red light cycle). If two pulses are generated at the same time in the same time interval (during the red light cycle), it is considered "valid", that is, the red light is captured.
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Electronic police is 24 hours of work, Huai quietly tan yellow light on, electronic police do not capture, at the same time as the red light starts to capture, the principle of running the red light is three ** testimony, respectively, the front wheel over the stop line, the rear wheel over the stop line, the front wheel over the stop line opposite the front, according to the three ** after the red light is lit whether the car displacement, whether to run the red light, run the red light to deduct six points and a fine of 200 yuan, below, we will introduce you to the red light line of several feelings.
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The traffic police specialized in the management of electronic capture business information technology police said that there are a large number of common sense and technical errors in this short film, the so-called red light capture equipment and principle are only in the last century, and now the technology has been updated several times. If the owner believes this animation and puts it into practice, then the cancellation of the driver's license is not far away. The first big mistake:
3 seconds after the red light is on, the electronic eye starts According to the content of the short belt blockbuster banquet, the capture of traffic violations of running red lights relies on the geomagnetic induction coil buried under each lane on the road, which is connected to the camera of electronic capture equipment. ”