This function extract a binary image gray scale image using auto-tuned threshold value obtained the correlation of Image euler numbers. This work had been published in L.P Wong, H.T Ewe. A Study of Lung Cancer Detection using Chest

首先建立一个标准的人脸模板，由包含局部人脸特征的子模板构成， 然后对一幅输入的人脸图像进行全局搜索，基于人脸灰度模板的模式匹配计算与标准人脸模板中不同部分的相关系数，通过预先设置的最小匹配门限来判断该图像窗口中是否包含人脸。-First, establish a standard template face by face feature contains the local sub-template structure,Then a face image input global sear