#include "cv.h"

#include "highgui.h"

#include "stdio.h"

void main()

{

	IplImage* img = NULL;

	IplImage* cutImg = NULL;

	CvMemStorage* storage = cvCreateMemStorage(0);

	//CvHaarClassifierCascade* cascade = (CvHaarClassifierCascade*)cvLoad("data.xml", 0, 0, 0);

	CvHaarClassifierCascade* cascade = (CvHaarClassifierCascade*)cvLoad("haarcascade_frontalface_alt2.xml", 0, 0, 0);

	CvSeq* faces;

	char save_path[100];

	char path[100];

	int j;

	int index = -1;

	for (int i = 5 ; i <= 100; i++)

	{

		sprintf(path,"..\\20140622jiezhen\\%d.bmp", i);

		sprintf(save_path,"..\\GABCUT\\%d.bmp", i);

		img = cvLoadImage(path, 0);

		faces = cvHaarDetectObjects(img, cascade,  storage, 1.2, 2, 0, cvSize(25,25) );

		if (faces->total == 0)

			continue;

		cvSetImageROI(img, *((CvRect*)cvGetSeqElem( faces, 0)));

		cvSaveImage(save_path, img);

        cvResetImageROI(img);   

	}

}

这里用的xml文件是openCV已经训练好的人脸參数。能够在OpenCV安装文件夹下搜索*.xml得到。程序就是将检測到 的截图保存的人脸图像。我用这个程序来测试它们的速度训练效果。

给大家分享。