Video-based method for rapidly detecting transit vehicles
A detection method and video technology, applied in the fields of traffic monitoring and video processing, can solve problems such as large amount of calculation, and achieve the effect of satisfying real-time performance and low computational complexity.
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[0022] Gaussian blur
[0023] After obtaining the original frame, Gaussian blurring is performed first. The advantage of the blurring process is that it can eliminate the influence of some slight shaking (such as slight shaking of the camera, slight shaking of tree branches, etc.).
[0024] Flash detection and breathing removal
[0025] The detection of the two has certain similarities. The flash fires for a very short time, usually only one frame, and the overall brightness of the image changes dramatically. As for the breathing effect, there are two situations. One is the breathing effect of a general part of the area, which can be discarded by the previous threshold, because the general breathing effect is gradual, not a sudden change similar to a moving object. As for the possible breathing effect of the overall image, the brightness of the overall image is a sudden change. These characteristics are different from the sudden change of the moving object, because in gene...
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