opencv中人脸识别C++代码

#include 
#include 
#include 
#include 
using namespace std;
using namespace cv;


int main(int argc, char** argv)
{

CascadeClassifier stFaceCascade;
IplImage *pstImage = NULL;
std::vector faceRects;

if( !stFaceCascade.load("D:\\softwares\\opencv\\sources\\data\\haarcascades\\haarcascade_frontalface_default.xml") )
{
printf("Loading cascade error\n");
return -1;
}

pstImage = cvLoadImage("C:\\Users\\TheOne\\Documents\\mianbubiaoqig\\jaffeimages\\jaffe\\KA.AN1.39.tiff", CV_LOAD_IMAGE_COLOR);

stFaceCascade.detectMultiScale(pstImage,
faceRects,            //检出结果
1.1,                  //缩放步长
2,                    //框融合时的最小检出个数
0|CV_HAAR_SCALE_IMAGE,//标志 |CV_HAAR_FIND_BIGGEST_OBJECT|CV_HAAR_DO_ROUGH_SEARCH|CV_HAAR_DO_CANNY_PRUNING
Size(30, 30),         //最小人脸尺寸
Size(300, 300) );     //最大人脸尺寸
printf("Face Num[%d]\n", faceRects.size());

for( unsigned int j = 0; j < faceRects.size(); j++ )
{
cvRectangle(pstImage,
cvPoint(faceRects[j].x, faceRects[j].y),
cvPoint(faceRects[j].x + faceRects[j].width, faceRects[j].y + faceRects[j].height),
cvScalar(0,255,0),
2,8,0);
}
cvShowImage("FDWin", pstImage);
cvWaitKey(0);


cvReleaseImage(&pstImage);
return 0;
}