This paper describes a method that can be used to track the single moving object automatically in multiple scenes. After preprocessing of the original image sequence, which is sampled from the video camera, the optical flow of the moving object in multiple scenes will be calculated rapidly with the improved algorithm. The moving object region can be extracted completely through several processing of the optical flow field such as region-connection, region- merging, and region-clustering methods. Then, the results of these processing can be used to measure the speed and direction of the moving object quantitatively, and can be used to output the control signal to drive the tracker for tracking the fast-moving object.14
Nonlinear Kerr effect destroyed the balance of linear dispersion compensation system. Based on the different result of nonlinear Kerr effect on optical pulse with different chirp, this paper discussed unidirectional and bi- directional nonlinear adjustment system, a self regulated system was formed in the latter, it was called `chirp management method'.
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