这是一篇利用非线性扩散方程进行去噪的文章，在文章中说明了如何在去噪和保持边缘间达到一个较好的平衡。-This is a nonlinear diffusion equation denoising article The article explains how the denoising and maintain an edge among achieve a better balance.

辐射传输方程及其漫射近似——漫射方程的详细推导过程。-The derivation of diffusion equation and radiation transport equation

基于流体力学纳威-斯托克方程（n-s方程）来模拟游戏中烟雾的产生和扩散。-Based on fluid mechanics neville- stokes equation (n- s equation) to simulate the smoke generated in the game and diffusion.

Although it has been proven to be particularly effective in many applications,EMD method has several drawbacks. The major problem with EMD is the lack of theoretical Framework which leads to difficulties for the characterization and evaluatio