问题描述

opencv下的人脸检测总是无法加载级联分类器文件

代码本身没有错，debug下无法加载级联分类器文件，release下读不到图片，配置应该没有问题
求问，谢谢！
#include "opencv2/core/core.hpp"
#include "opencv2/objdetect/objdetect.hpp"
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/imgproc/imgproc.hpp"
#include
#include

using namespace std;
using namespace cv;
string face_cascade_name = "E:opencvsourcesdatahaarcascadeshaarcascade_frontalface_alt.xml";
//string face_cascade_name = "haarcascade_frontalface_alt.xml";
CascadeClassifier face_cascade;
string window_name = "人脸识别";

void detectAndDisplay( Mat frame );

int main( int argc, char** argv ){
Mat image;
//image = imread( argv[1]);
image=imread("F:1.jpg");

if( !image.data ){
printf("[error] 没有图片n");
return -1;
}
imshow("face",image);
cout<<image.rows<<","<<image.cols<<endl;
if( !face_cascade.load( face_cascade_name ) ){
printf("[error] 无法加载级联分类器文件！n");
return -1;
}

detectAndDisplay(image);

waitKey(0);
}

void detectAndDisplay( Mat frame ){
std::vector faces;
Mat frame_gray;

cvtColor( frame, frame_gray, CV_BGR2GRAY );
equalizeHist( frame_gray, frame_gray );

face_cascade.detectMultiScale( frame_gray, faces, 1.1, 2, 0|CV_HAAR_SCALE_IMAGE, Size(30, 30) );
cout<<faces.size()<<endl;
for( int i = 0; i < faces.size(); i++ ){
Point center( faces[i].x + faces[i].width*0.5, faces[i].y + faces[i].height*0.5 );
ellipse( frame, center, Size( faces[i].width*0.5, faces[i].height*0.5), 0, 0, 360, Scalar( 255, 0, 255 ), 4, 8, 0 );
}

imshow( window_name, frame );
}