In this study, we apply an artificial viscosity method to convert unsteady level set (LS) convection equation into LS convection-diffusion transport stabilize the numerical solution of term. Then a novel least-square polygonal finite element is used solve problem. The least-squares provided good mathematical properties such as natural diffusion and positive definite symmetry resulting algebraic...

A level set topology optimization (LSTO) using the stabilized nodally integrated reproducing kernel particle method (RKPM) to solve governing equations is introduced in this paper. This methodology allows for an exact geometry description of a structure at each iteration without remeshing and any interpolation scheme. Moreover, useful characteristics RKPM such as easily controlled order continu...

It can be a very challenging task when using level set method segmenting natural images with high intensity inhomogeneity and complex background scenes. A new synthesis for robust image segmentation based on the combination of Retinex-corrected saliency region information edge is proposed in this work. First, Retinex theory introduced to correct extraction. Second, embedded into due its advanta...