说明：  输入类内、类间海明距离矩阵，绘制ROC曲线，求等错误率，原理见：http://blog.csdn.net/yanzi1225627/article/details/8915032
(Input class, the class Hamming distance matrix, the ROC curve, find the error rate, the principle see: http://blog.csdn.net/yanzi1225627/article/details/8915032)