OpenCV人脸检测人脸打码

旧城等待， 2022-07-13 11:59 257阅读 0赞

.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：  
![这里写图片描述][35f70d0d9854352c8406e761727a30e1.png]

[35f70d0d9854352c8406e761727a30e1.png]: /images/20220713/e0edb4f6d04747e59075284f7515a879.png