中文说明： 这个有中文注释，看得明白，正确率可以达到98％，应用小区域方差对比，程序简单，非常适合计算机视觉方面的研究使用,通过matlab代码，ldpc码的编解码实现。
English Description：
The Chinese comments, understand it, with an accuracy rate can reach 98%, small regional variance correlation, simple, very suitable for use in computer vision research, through the MATLAB code, encoding and decoding of LDPC codes implementation.