.xml文件路径为本地绝对路径,应用代码时需要修改。 代码如下:
#include "opencv2/objdetect/objdetect.hpp"
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/imgproc/imgproc.hpp"
#include <iostream>
#include <stdio.h>
using namespace std;
using namespace cv;
void detectAndDisplay( Mat frame );
String face_cascade_name = "C:\\Program Files\\OpenCV2.4.11\\opencv\\sources\\data\\lbpcascades\\lbpcascade_frontalface.xml";
String eyes_cascade_name = "C:\\Program Files\\OpenCV2.4.11\\opencv\sources\\data\\haarcascades\\haarcascade_eye_tree_eyeglasses.xml";
CascadeClassifier face_cascade;
CascadeClassifier eyes_cascade;
string window_name = "detectionresult";
RNG rng(12345);
int main( int argc, const char** argv )
{
Mat frame;
face_cascade.load( face_cascade_name );
if( !face_cascade.load( face_cascade_name ) )
{ printf("--(!)Error loading\n"); return -1; };
frame = imread("1.png");
detectAndDisplay(frame);
waitKey(0);
return 0;
}
void detectAndDisplay( Mat frame )
{
std::vector<Rect> 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, Size(20, 20) );
for( int i = 0; i < faces.size(); i++ )
{
Mat faceROI = frame_gray( faces[i] );
Mat faceOrg = frame( faces[i] );
blur(faceOrg, faceOrg, Size(25,25));
std::vector<Rect> eyes;
}
imshow( window_name, frame );
}
效果图: