Detecting device and method for realizing vehicle passing stop-line utilizing stop-line visual frequency signal
A video signal and detection device technology, applied in traffic flow detection and other directions, can solve the problems of difficult to meet the real-time requirements of traffic monitoring, long detection requirements, and difficult to put into practice. found effect
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[0037]The block diagram of the circuit structure of the vehicle passing the stop line detection device in this embodiment is shown in FIG. 1 . The video signal is captured by a camera mounted on a horizontal pole.
[0038] The present invention utilizes the video signal to realize the video branch 1 of the vehicle passing stop line detection device, the stop line signal decision device 2, the integrator 3, the sampling circuit 4, the counter 5, the stop line decoder 6, the car indicator 7, the The car sampling circuit 8, the car signal combining circuit 9, and the pulse width adjustment circuit 15 are sequentially connected in series; the other output terminal of the video branch circuit 1 is connected to the input terminal of the line and the field synchronous separation circuit 13, and the line and the field synchronous separation circuit 13 are connected in series. The output end of the line synchronization signal is connected to the input end of the line sampling generatio...
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