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American death series, which shows the monthly accidental deaths in the USA between 1973 and 1978, is a multicomponent time series. We analyze this well-known series via the singular spectrum analysis (SSA) based blind source separation (BSS) technique. SSA is a powerful approach to decomposing the multicomponent time series. There is an important factor when SSA is used for extracting the principal...
In this study, the multi-level set method based on Chan-Vese model was applied to image segmentation. The proposed method is a generalization of the active contour model without edges, which developed by T. Chan and L. Vese. This method can automatically avoid the problems of vacuum and overlap and represent boundaries with complex topologies. The model and the details of the numerical algorithms...
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