Finite Element Solving Method of Image Denoising

This paper proposes a finite element solving method of image denoising.Based on the P-M model,it solves the image gray value at any point as initial condition by the bilinear interpolation method,then uses the Finite Element Method(FEM) to analyze and solve the model.Compared with traditional Finite Difference Method(FDM) at the same time intervals and iterations,it has better restoration effects of noise smoothing and maintain boundaries and greatly improve the peak value signal-to-noise ratio.