Abstract
Combining nonlinear evolution equations, which arise from image segmentation using partial differential equation-based level set method, using radial basis functions, a meshless numerical algorithm is presented for image segmentation in this paper. Both globally supported and compactly supported radial basis functions are used to interpolate the level set function of the evolution equation with a high level of accuracy and smoothness. The nonlinear evolution equation is finally cast into ordinary differential equations and Euler’s scheme is employed. Compared with traditional level set approaches, the presented algorithm is robust to initialization or even free of manual initialization, and avoids the complex and costly re-initialization of the level set function. The capability of the presented algorithm is demonstrated through some numerical experiments.
Published Version
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