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Fuzzy judgment algorithm based on security alarm system in the video surveillance

The thesis has proposed a set of algorithms for the judgment and track of the bodies in motion on the basis that the body in motion is tested and cut apart. In this algorithm, the important basis for discerning the special phenomenon is the area and speed of the body in motion. The area is the pixel that a body in motion accounts for and the pace is calculated by the moving distance of the body's physique heart time in a frame. In the thesis the author proposed one kind of algorithm which is to do a convexity domain scanning to the changing area, then it can lead to the parameter about body in motion, including the area, pace, length and width of the body in motion. The paper analyzed a algorithm for the physique heart and combined with the area of the body in motion and the moving distance of the physical heart to set up a fuzzy judgment method based on security alarm system.