基于各向异性扩散的几种平滑算法比较及改进，对图像平滑算法的研究有很大的参考价值！-Anisotropic Diffusion Based on the comparison of several smoothing algorithm and the improvement of the image smoothing algorithm have great reference value!

用误差扩散中的各种抖动算法对图像进行二值化。-Using error diffusion in a variety of dithering algorithm for image two values.