The random walker algorithm was introduced in the paper: Leo Grady and Gareth Funka-Lea, "Multi-Label Image Segmentation for Medical Applications Based on Graph-Theoretic Electrical Potentials", in Proceedings of the 8th ECCV04, Workshop on Compute

A very good, neat and classic contour detection. (cpp code , matlab scr ipt and test image included). You can learn the basic idea of contour detection and do your research based on this.

一个基于MATLAB 的语音等响度滤波处理的程序，已经执行出来并且有图像结果显示。-A MATLAB-based voice loudness filter processing procedures have been implemented and it showed an image