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A novel adaptive object tracking algorithm with particle filtering and improved GVF-snake is proposed in this paper. Firstly, the initial contours of objects are obtained by using the background differencing method, and through the powerful searching ability of GVF-snake, the snake can be converged to the real contours of objects; by using the increasing or(More)
In Monte Carlo simulations, the more particles you trace, the more accurate results you get. While recent improvements in hardware and software have feasible on personal computers, it can still take hours, even days to achieve a statistically meaningful result. Geant4 is a kind of Monte Carlo simulation tool solving the problem in nuclear physics. It can be(More)
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