我在下面粘贴代码以跟踪双眼并在跟踪双眼时叠加图像。
我正在使用 haar xml 文件来跟踪面部的双眼并在其上覆盖图像。
我的问题是我得到这样的结果。
图 1
图 2
图 3
图 4
图 5
图 6
图 7
图 8
图 9
图 10
我在下面发布我的代码
#include "cv.h"
#include "highgui.h"
#include <iostream>
#include <fstream>
#include <vector>
#include <stdio.h>
#include <sys/stat.h>
#include <ctype.h>
#include <string>
using namespace cv;
using namespace std;
void detectAndDisplay( Mat frame );
String face_cascade_name = "/root/opencv/newtutorial/haarcascade_frontalface_alt.xml";
String eyes_cascade_name = "/root/opencv/newtutorial/haarcascade_eye_tree_eyeglasses.xml";
CascadeClassifier face_cascade;
CascadeClassifier eyes_cascade;
RNG rng(12345);
IplImage *disp,*neg_img,*cpy_img,*imga;
IplImage *pic;
IplImage *image_n = 0;
int make=0;
CvMat* warp_matrix = cvCreateMat(3,3,CV_32FC1);
namespace {
void makevdo(){
bool flag = false;
fstream fin;
char filename_new[200],filename_new_after[200];
int n=0;
Mat frame;
double frameRate = 25.0;
CvVideoWriter *vdowriter = cvCreateVideoWriter( "/root/opencv/newtutorial/test_converted_next.mov", CV_FOURCC('j','p','e','g'), frameRate, Size(640,480) );
VideoWriter(outputFile,CV_FOURCC('j','p','e','g'),frameRate,Size(640,480));
while(flag==false){
sprintf(filename_new,"/root/opencv/newtutorial/mydirnext/filename%.3d.jpg",n);
sprintf(filename_new_after,"/root/opencv/newtutorial/framesaftertrack/filename%.3d.jpg",n);
fin.open(filename_new,ios::in);
if( fin.is_open() )
{
frame = imread(filename_new);
pic = cvLoadImage("/root/opencv/newtutorial/pic.png");
image_n = cvLoadImage(filename_new,1);
disp = cvCreateImage( cvGetSize(image_n), 8, 3 );
cpy_img = cvCreateImage( cvGetSize(image_n), 8, 3 );
neg_img = cvCreateImage( cvGetSize(image_n), 8, 3 );
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|CV_HAAR_SCALE_IMAGE, Size(30, 30) );
CvPoint2D32f q[4];
q[0].x= (float) pic->width * 0;
q[0].y= (float) pic->height * 0;
q[1].x= (float) pic->width;
q[1].y= (float) pic->height * 0;
q[2].x= (float) pic->width;
q[2].y= (float) pic->height;
q[3].x= (float) pic->width * 0;
q[3].y= (float) pic->height;
for( int i = 0; i < (int)faces.size(); i++ )
{
faces[i].height*0.5), 0, 0, 360, Scalar( 255, 0, 255 ), 2, 8, 0 );
Mat faceROI = frame_gray( faces[i] );
std::vector<Rect> eyes;
eyes_cascade.detectMultiScale( faceROI, eyes, 1.1, 2, 0 |CV_HAAR_SCALE_IMAGE, Size(30, 30) );
if((int)eyes.size()==2 && (((eyes[0].x + eyes[0].width*0.5 ) < eyes[1].x) || ((eyes[1].x + eyes[1].width*0.5 ) < eyes[0].x))){
CvPoint2D32f p[4];
IplImage* blank = cvCreateImage( cvGetSize(pic), 8, 3);
cvZero(blank);
cvNot(blank,blank);
if(eyes[0].x<eyes[1].x){
Point center0( faces[i].x + eyes[0].x + eyes[0].width*0.5, faces[i].y + eyes[0].y + eyes[0].height*0.5 );
float radius0 = (eyes[0].width + eyes[0].height)*0.25 ;
Point center1( faces[i].x + eyes[1].x + eyes[1].width*0.5, faces[i].y + eyes[1].y + eyes[1].height*0.5 );
float radius1 = (eyes[1].width + eyes[1].height)*0.25 ;
p[2].x= (float) center0.x - radius0;
p[2].y= (float) center0.y + radius0;
p[1].x= (float) center0.x - radius0;
p[1].y= (float) center0.y - radius0;
p[3].x= (float) center1.x + radius1;
p[3].y= (float) center1.y + radius1;
p[0].x= (float) center1.x + radius1;
p[0].y= (float) center1.y - radius1;
}
else{
Point center0( faces[i].x + eyes[1].x + eyes[1].width*0.5, faces[i].y + eyes[1].y + eyes[1].height*0.5 );
float radius0 = (eyes[1].width + eyes[1].height)*0.25 ;
Point center1( faces[i].x + eyes[0].x + eyes[0].width*0.5, faces[i].y + eyes[0].y + eyes[0].height*0.5 );
float radius1 = (eyes[0].width + eyes[0].height)*0.25 ;
p[2].x= (float) center0.x - radius0;
p[2].y= (float) center0.y + radius0;
p[1].x= (float) center0.x - radius0;
p[1].y= (float) center0.y - radius0;
p[3].x= (float) center1.x + radius1;
p[3].y= (float) center1.y + radius1;
p[0].x= (float) center1.x + radius1;
p[0].y= (float) center1.y - radius1;
}
cvGetPerspectiveTransform(q,p,warp_matrix);
cvZero(neg_img);
cvZero(cpy_img);
cvWarpPerspective( pic, neg_img, warp_matrix);
cvWarpPerspective( blank, cpy_img, warp_matrix);
cvNot(cpy_img,cpy_img);
cvAnd(cpy_img,image_n,cpy_img);
cvOr(cpy_img,neg_img,image_n);
}
}
cvSaveImage(filename_new_after,image_n);
cvWriteFrame(vdowriter,image_n);
cout<<"Read file filename"<< n <<endl;
}
else{
flag=true;
}
fin.close();
n++;
}
cvReleaseVideoWriter(&vdowriter);
cvReleaseImage(&pic);
cvReleaseImage(&imga);
cvReleaseImage(&disp);
cvReleaseImage(&neg_img);
cvReleaseImage(&cpy_img);
cvReleaseImage(&image_n);
}
int process(VideoCapture& capture) {
char strFrame[]="/root/opencv/newtutorial/mydirnext";
if(mkdir(strFrame,0777)==-1)
{
cout<<"Error Trying to delete"<<endl;
if(system("rm -r /root/opencv/newtutorial/mydirnext")){
cout << "Directory successfully deleted"<<endl;
}
if(mkdir(strFrame,0777)==-1){
cout << "Error Again creating directory" << endl;
}
}
int n = 0;
char filename[200];
string window_name = "video | q or esc to quit";
cout << "press space to save a picture. q or esc to quit" << endl;
namedWindow(window_name, CV_WINDOW_KEEPRATIO);
Mat frame;
for (;;) {
capture >> frame;
if (frame.empty())
continue;
imshow(window_name, frame);
sprintf(filename,"/root/opencv/newtutorial/mydirnext/filename%.3d.jpg",n++);
imwrite(filename,frame);
char key = (char)waitKey(5);
switch (key) {
case 27:
if(make==0){
make=1;
makevdo();
}
return 0;
default:
break;
}
}
return 0;
}
}
int main(int ac, char** av) {
if( !face_cascade.load( face_cascade_name ) ){ printf("--(!)Error loading\n"); return -1; };
if( !eyes_cascade.load( eyes_cascade_name ) ){ printf("--(!)Error loading\n"); return -1; };
if (ac != 2) {
return 1;
}
std::string arg = av[1];
VideoCapture capture(arg);
if (!capture.isOpened())
capture.open(atoi(arg.c_str()));
if (!capture.isOpened()) {
cerr << "Failed to open a video device or video file!\n" << endl;
return 1;
}
return process(capture);
}
很抱歉发布了这么多图片，但没有其他方法可以解释我的问题。