Update face detection samples
This commit is contained in:
parent
9533982729
commit
fd4761ba31
@ -1,17 +1,7 @@
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#include "opencv2/objdetect.hpp"
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#include "opencv2/imgcodecs.hpp"
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#include "opencv2/videoio.hpp"
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#include "opencv2/highgui.hpp"
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#include "opencv2/imgproc.hpp"
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#include "opencv2/core/utility.hpp"
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#include "opencv2/videoio/videoio_c.h"
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#include "opencv2/highgui/highgui_c.h"
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#include <cctype>
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#include <iostream>
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#include <iterator>
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#include <stdio.h>
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using namespace std;
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using namespace cv;
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@ -28,7 +18,7 @@ static void help()
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" [--try-flip]\n"
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" [filename|camera_index]\n\n"
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"see facedetect.cmd for one call:\n"
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"./facedetect --cascade=\"../../data/haarcascades/haarcascade_frontalface_alt.xml\" --nested-cascade=\"../../data/haarcascades/haarcascade_eye.xml\" --scale=1.3\n\n"
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"./facedetect --cascade=\"../../data/haarcascades/haarcascade_frontalface_alt.xml\" --nested-cascade=\"../../data/haarcascades/haarcascade_eye_tree_eyeglasses.xml\" --scale=1.3\n\n"
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"During execution:\n\tHit any key to quit.\n"
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"\tUsing OpenCV version " << CV_VERSION << "\n" << endl;
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}
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@ -42,8 +32,8 @@ string nestedCascadeName = "../../data/haarcascades/haarcascade_eye_tree_eyeglas
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int main( int argc, const char** argv )
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{
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CvCapture* capture = 0;
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Mat frame, frameCopy, image;
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VideoCapture capture;
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Mat frame, image;
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const string scaleOpt = "--scale=";
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size_t scaleOptLen = scaleOpt.length();
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const string cascadeOpt = "--cascade=";
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@ -103,17 +93,17 @@ int main( int argc, const char** argv )
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if( inputName.empty() || (isdigit(inputName.c_str()[0]) && inputName.c_str()[1] == '\0') )
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{
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capture = cvCaptureFromCAM( inputName.empty() ? 0 : inputName.c_str()[0] - '0' );
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int c = inputName.empty() ? 0 : inputName.c_str()[0] - '0' ;
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if(!capture) cout << "Capture from CAM " << c << " didn't work" << endl;
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if(!capture.open(c))
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cout << "Capture from camera #" << c << " didn't work" << endl;
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}
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else if( inputName.size() )
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{
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image = imread( inputName, 1 );
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if( image.empty() )
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{
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capture = cvCaptureFromAVI( inputName.c_str() );
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if(!capture) cout << "Capture from AVI didn't work" << endl;
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if(!capture.open( inputName ))
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cout << "Could not read " << inputName << endl;
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}
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}
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else
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@ -122,36 +112,27 @@ int main( int argc, const char** argv )
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if(image.empty()) cout << "Couldn't read ../data/lena.jpg" << endl;
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}
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cvNamedWindow( "result", 1 );
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if( capture )
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if( capture.isOpened() )
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{
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cout << "In capture ..." << endl;
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cout << "Video capturing has been started ..." << endl;
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for(;;)
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{
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IplImage* iplImg = cvQueryFrame( capture );
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frame = cv::cvarrToMat(iplImg);
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capture >> frame;
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if( frame.empty() )
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break;
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if( iplImg->origin == IPL_ORIGIN_TL )
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frame.copyTo( frameCopy );
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else
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flip( frame, frameCopy, 0 );
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detectAndDraw( frameCopy, cascade, nestedCascade, scale, tryflip );
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Mat frame1 = frame.clone();
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detectAndDraw( frame1, cascade, nestedCascade, scale, tryflip );
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if( waitKey( 10 ) >= 0 )
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goto _cleanup_;
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int c = waitKey(10);
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if( c == 27 || c == 'q' || c == 'Q' )
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break;
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}
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waitKey(0);
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_cleanup_:
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cvReleaseCapture( &capture );
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}
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else
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{
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cout << "In image read" << endl;
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cout << "Detecting face(s) in " << inputName << endl;
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if( !image.empty() )
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{
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detectAndDraw( image, cascade, nestedCascade, scale, tryflip );
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@ -190,8 +171,6 @@ _cleanup_:
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}
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}
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cvDestroyWindow("result");
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return 0;
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}
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@ -199,21 +178,24 @@ void detectAndDraw( Mat& img, CascadeClassifier& cascade,
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CascadeClassifier& nestedCascade,
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double scale, bool tryflip )
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{
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int i = 0;
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double t = 0;
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vector<Rect> faces, faces2;
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const static Scalar colors[] = { CV_RGB(0,0,255),
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CV_RGB(0,128,255),
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CV_RGB(0,255,255),
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CV_RGB(0,255,0),
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CV_RGB(255,128,0),
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CV_RGB(255,255,0),
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CV_RGB(255,0,0),
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CV_RGB(255,0,255)} ;
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Mat gray, smallImg( cvRound (img.rows/scale), cvRound(img.cols/scale), CV_8UC1 );
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const static Scalar colors[] =
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{
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Scalar(255,0,0),
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Scalar(255,128,0),
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Scalar(255,255,0),
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Scalar(0,255,0),
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Scalar(0,128,255),
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Scalar(0,255,255),
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Scalar(0,0,255),
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Scalar(255,0,255)
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};
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Mat gray, smallImg;
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cvtColor( img, gray, COLOR_BGR2GRAY );
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resize( gray, smallImg, smallImg.size(), 0, 0, INTER_LINEAR );
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double fx = 1 / scale;
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resize( gray, smallImg, Size(), fx, fx, INTER_LINEAR );
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equalizeHist( smallImg, smallImg );
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t = (double)cvGetTickCount();
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@ -221,8 +203,7 @@ void detectAndDraw( Mat& img, CascadeClassifier& cascade,
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1.1, 2, 0
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//|CASCADE_FIND_BIGGEST_OBJECT
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//|CASCADE_DO_ROUGH_SEARCH
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|CASCADE_SCALE_IMAGE
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,
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|CASCADE_SCALE_IMAGE,
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Size(30, 30) );
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if( tryflip )
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{
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@ -231,8 +212,7 @@ void detectAndDraw( Mat& img, CascadeClassifier& cascade,
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1.1, 2, 0
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//|CASCADE_FIND_BIGGEST_OBJECT
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//|CASCADE_DO_ROUGH_SEARCH
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|CASCADE_SCALE_IMAGE
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,
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|CASCADE_SCALE_IMAGE,
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Size(30, 30) );
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for( vector<Rect>::const_iterator r = faces2.begin(); r != faces2.end(); r++ )
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{
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@ -241,44 +221,45 @@ void detectAndDraw( Mat& img, CascadeClassifier& cascade,
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}
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t = (double)cvGetTickCount() - t;
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printf( "detection time = %g ms\n", t/((double)cvGetTickFrequency()*1000.) );
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for( vector<Rect>::const_iterator r = faces.begin(); r != faces.end(); r++, i++ )
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for ( size_t i = 0; i < faces.size(); i++ )
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{
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Rect r = faces[i];
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Mat smallImgROI;
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vector<Rect> nestedObjects;
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Point center;
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Scalar color = colors[i%8];
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int radius;
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double aspect_ratio = (double)r->width/r->height;
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double aspect_ratio = (double)r.width/r.height;
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if( 0.75 < aspect_ratio && aspect_ratio < 1.3 )
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{
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center.x = cvRound((r->x + r->width*0.5)*scale);
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center.y = cvRound((r->y + r->height*0.5)*scale);
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radius = cvRound((r->width + r->height)*0.25*scale);
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center.x = cvRound((r.x + r.width*0.5)*scale);
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center.y = cvRound((r.y + r.height*0.5)*scale);
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radius = cvRound((r.width + r.height)*0.25*scale);
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circle( img, center, radius, color, 3, 8, 0 );
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}
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else
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rectangle( img, cvPoint(cvRound(r->x*scale), cvRound(r->y*scale)),
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cvPoint(cvRound((r->x + r->width-1)*scale), cvRound((r->y + r->height-1)*scale)),
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rectangle( img, cvPoint(cvRound(r.x*scale), cvRound(r.y*scale)),
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cvPoint(cvRound((r.x + r.width-1)*scale), cvRound((r.y + r.height-1)*scale)),
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color, 3, 8, 0);
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if( nestedCascade.empty() )
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continue;
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smallImgROI = smallImg(*r);
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smallImgROI = smallImg( r );
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nestedCascade.detectMultiScale( smallImgROI, nestedObjects,
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1.1, 2, 0
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//|CASCADE_FIND_BIGGEST_OBJECT
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//|CASCADE_DO_ROUGH_SEARCH
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//|CASCADE_DO_CANNY_PRUNING
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|CASCADE_SCALE_IMAGE
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,
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|CASCADE_SCALE_IMAGE,
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Size(30, 30) );
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for( vector<Rect>::const_iterator nr = nestedObjects.begin(); nr != nestedObjects.end(); nr++ )
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for ( size_t j = 0; j < nestedObjects.size(); j++ )
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{
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center.x = cvRound((r->x + nr->x + nr->width*0.5)*scale);
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center.y = cvRound((r->y + nr->y + nr->height*0.5)*scale);
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radius = cvRound((nr->width + nr->height)*0.25*scale);
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Rect nr = nestedObjects[j];
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center.x = cvRound((r.x + nr.x + nr.width*0.5)*scale);
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center.y = cvRound((r.y + nr.y + nr.height*0.5)*scale);
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radius = cvRound((nr.width + nr.height)*0.25*scale);
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circle( img, center, radius, color, 3, 8, 0 );
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}
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}
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cv::imshow( "result", img );
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imshow( "result", img );
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}
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@ -1,15 +1,7 @@
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#include "opencv2/objdetect.hpp"
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#include "opencv2/highgui.hpp"
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#include "opencv2/imgproc.hpp"
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#include "opencv2/core/utility.hpp"
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#include "opencv2/videoio/videoio_c.h"
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#include "opencv2/highgui/highgui_c.h"
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#include <cctype>
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#include <iostream>
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#include <iterator>
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#include <stdio.h>
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using namespace std;
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using namespace cv;
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@ -36,11 +28,10 @@ void detectAndDraw( Mat& img, CascadeClassifier& cascade,
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string cascadeName = "../../data/haarcascades/haarcascade_frontalface_alt.xml";
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string nestedCascadeName = "../../data/haarcascades/haarcascade_smile.xml";
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int main( int argc, const char** argv )
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{
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CvCapture* capture = 0;
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Mat frame, frameCopy, image;
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VideoCapture capture;
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Mat frame, image;
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const string scaleOpt = "--scale=";
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size_t scaleOptLen = scaleOpt.length();
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const string cascadeOpt = "--cascade=";
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@ -104,44 +95,34 @@ int main( int argc, const char** argv )
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if( inputName.empty() || (isdigit(inputName.c_str()[0]) && inputName.c_str()[1] == '\0') )
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{
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capture = cvCaptureFromCAM( inputName.empty() ? 0 : inputName.c_str()[0] - '0' );
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int c = inputName.empty() ? 0 : inputName.c_str()[0] - '0' ;
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if(!capture) cout << "Capture from CAM " << c << " didn't work" << endl;
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if(!capture.open(c))
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cout << "Capture from camera #" << c << " didn't work" << endl;
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}
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else if( inputName.size() )
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{
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capture = cvCaptureFromAVI( inputName.c_str() );
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if(!capture) cout << "Capture from AVI didn't work" << endl;
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if(!capture.open( inputName ))
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cout << "Could not read " << inputName << endl;
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}
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cvNamedWindow( "result", 1 );
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if( capture )
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if( capture.isOpened() )
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{
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cout << "In capture ..." << endl;
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cout << "Video capturing has been started ..." << endl;
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cout << endl << "NOTE: Smile intensity will only be valid after a first smile has been detected" << endl;
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for(;;)
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{
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IplImage* iplImg = cvQueryFrame( capture );
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frame = cv::cvarrToMat(iplImg);
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capture >> frame;
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if( frame.empty() )
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break;
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if( iplImg->origin == IPL_ORIGIN_TL )
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frame.copyTo( frameCopy );
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else
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flip( frame, frameCopy, 0 );
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detectAndDraw( frameCopy, cascade, nestedCascade, scale, tryflip );
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Mat frame1 = frame.clone();
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detectAndDraw( frame1, cascade, nestedCascade, scale, tryflip );
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if( waitKey( 10 ) >= 0 )
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goto _cleanup_;
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int c = waitKey(10);
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if( c == 27 || c == 'q' || c == 'Q' )
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break;
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}
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waitKey(0);
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_cleanup_:
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cvReleaseCapture( &capture );
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}
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else
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{
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@ -150,7 +131,6 @@ _cleanup_:
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return -1;
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}
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cvDestroyWindow("result");
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return 0;
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}
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@ -158,28 +138,31 @@ void detectAndDraw( Mat& img, CascadeClassifier& cascade,
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CascadeClassifier& nestedCascade,
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double scale, bool tryflip)
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{
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int i = 0;
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vector<Rect> faces, faces2;
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const static Scalar colors[] = { CV_RGB(0,0,255),
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CV_RGB(0,128,255),
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CV_RGB(0,255,255),
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CV_RGB(0,255,0),
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CV_RGB(255,128,0),
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CV_RGB(255,255,0),
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CV_RGB(255,0,0),
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CV_RGB(255,0,255)} ;
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Mat gray, smallImg( cvRound (img.rows/scale), cvRound(img.cols/scale), CV_8UC1 );
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const static Scalar colors[] =
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{
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Scalar(255,0,0),
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Scalar(255,128,0),
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Scalar(255,255,0),
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Scalar(0,255,0),
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Scalar(0,128,255),
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Scalar(0,255,255),
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Scalar(0,0,255),
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Scalar(255,0,255)
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};
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Mat gray, smallImg;
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cvtColor( img, gray, COLOR_BGR2GRAY );
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resize( gray, smallImg, smallImg.size(), 0, 0, INTER_LINEAR );
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double fx = 1 / scale;
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resize( gray, smallImg, Size(), fx, fx, INTER_LINEAR );
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equalizeHist( smallImg, smallImg );
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cascade.detectMultiScale( smallImg, faces,
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1.1, 2, 0
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//|CASCADE_FIND_BIGGEST_OBJECT
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//|CASCADE_DO_ROUGH_SEARCH
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|CASCADE_SCALE_IMAGE
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,
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|CASCADE_SCALE_IMAGE,
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Size(30, 30) );
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if( tryflip )
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{
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@ -188,8 +171,7 @@ void detectAndDraw( Mat& img, CascadeClassifier& cascade,
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1.1, 2, 0
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//|CASCADE_FIND_BIGGEST_OBJECT
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//|CASCADE_DO_ROUGH_SEARCH
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|CASCADE_SCALE_IMAGE
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,
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|CASCADE_SCALE_IMAGE,
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Size(30, 30) );
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for( vector<Rect>::const_iterator r = faces2.begin(); r != faces2.end(); r++ )
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{
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@ -197,38 +179,38 @@ void detectAndDraw( Mat& img, CascadeClassifier& cascade,
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}
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}
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for( vector<Rect>::iterator r = faces.begin(); r != faces.end(); r++, i++ )
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for ( size_t i = 0; i < faces.size(); i++ )
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{
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Rect r = faces[i];
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Mat smallImgROI;
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vector<Rect> nestedObjects;
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Point center;
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Scalar color = colors[i%8];
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int radius;
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double aspect_ratio = (double)r->width/r->height;
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double aspect_ratio = (double)r.width/r.height;
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if( 0.75 < aspect_ratio && aspect_ratio < 1.3 )
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{
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center.x = cvRound((r->x + r->width*0.5)*scale);
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center.y = cvRound((r->y + r->height*0.5)*scale);
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radius = cvRound((r->width + r->height)*0.25*scale);
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center.x = cvRound((r.x + r.width*0.5)*scale);
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center.y = cvRound((r.y + r.height*0.5)*scale);
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radius = cvRound((r.width + r.height)*0.25*scale);
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circle( img, center, radius, color, 3, 8, 0 );
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}
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else
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rectangle( img, cvPoint(cvRound(r->x*scale), cvRound(r->y*scale)),
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cvPoint(cvRound((r->x + r->width-1)*scale), cvRound((r->y + r->height-1)*scale)),
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rectangle( img, cvPoint(cvRound(r.x*scale), cvRound(r.y*scale)),
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cvPoint(cvRound((r.x + r.width-1)*scale), cvRound((r.y + r.height-1)*scale)),
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color, 3, 8, 0);
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const int half_height=cvRound((float)r->height/2);
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r->y=r->y + half_height;
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r->height = half_height;
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smallImgROI = smallImg(*r);
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const int half_height=cvRound((float)r.height/2);
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r.y=r.y + half_height;
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r.height = half_height-1;
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smallImgROI = smallImg( r );
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nestedCascade.detectMultiScale( smallImgROI, nestedObjects,
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1.1, 0, 0
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//|CASCADE_FIND_BIGGEST_OBJECT
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//|CASCADE_DO_ROUGH_SEARCH
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//|CASCADE_DO_CANNY_PRUNING
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|CASCADE_SCALE_IMAGE
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,
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|CASCADE_SCALE_IMAGE,
|
||||
Size(30, 30) );
|
||||
|
||||
// The number of detected neighbors depends on image size (and also illumination, etc.). The
|
||||
@ -243,9 +225,9 @@ void detectAndDraw( Mat& img, CascadeClassifier& cascade,
|
||||
// Draw rectangle on the left side of the image reflecting smile intensity
|
||||
float intensityZeroOne = ((float)smile_neighbors - min_neighbors) / (max_neighbors - min_neighbors + 1);
|
||||
int rect_height = cvRound((float)img.rows * intensityZeroOne);
|
||||
CvScalar col = CV_RGB((float)255 * intensityZeroOne, 0, 0);
|
||||
Scalar col = Scalar((float)255 * intensityZeroOne, 0, 0);
|
||||
rectangle(img, cvPoint(0, img.rows), cvPoint(img.cols/10, img.rows - rect_height), col, -1);
|
||||
}
|
||||
|
||||
cv::imshow( "result", img );
|
||||
imshow( "result", img );
|
||||
}
|
||||
|
@ -1,15 +1,8 @@
|
||||
#include "opencv2/objdetect.hpp"
|
||||
#include "opencv2/imgcodecs.hpp"
|
||||
#include "opencv2/videoio.hpp"
|
||||
#include "opencv2/highgui.hpp"
|
||||
#include "opencv2/imgproc.hpp"
|
||||
#include "opencv2/core/utility.hpp"
|
||||
#include "opencv2/core/ocl.hpp"
|
||||
|
||||
#include <cctype>
|
||||
#include <iostream>
|
||||
#include <iterator>
|
||||
#include <stdio.h>
|
||||
|
||||
using namespace std;
|
||||
using namespace cv;
|
||||
@ -20,13 +13,13 @@ static void help()
|
||||
"This classifier can recognize many kinds of rigid objects, once the appropriate classifier is trained.\n"
|
||||
"It's most known use is for faces.\n"
|
||||
"Usage:\n"
|
||||
"./facedetect [--cascade=<cascade_path> this is the primary trained classifier such as frontal face]\n"
|
||||
"./ufacedetect [--cascade=<cascade_path> this is the primary trained classifier such as frontal face]\n"
|
||||
" [--nested-cascade[=nested_cascade_path this an optional secondary classifier such as eyes]]\n"
|
||||
" [--scale=<image scale greater or equal to 1, try 1.3 for example>]\n"
|
||||
" [--try-flip]\n"
|
||||
" [filename|camera_index]\n\n"
|
||||
"see facedetect.cmd for one call:\n"
|
||||
"./facedetect --cascade=\"../../data/haarcascades/haarcascade_frontalface_alt.xml\" --nested-cascade=\"../../data/haarcascades/haarcascade_eye.xml\" --scale=1.3\n\n"
|
||||
"./ufacedetect --cascade=\"../../data/haarcascades/haarcascade_frontalface_alt.xml\" --nested-cascade=\"../../data/haarcascades/haarcascade_eye_tree_eyeglasses.xml\" --scale=1.3\n\n"
|
||||
"During execution:\n\tHit any key to quit.\n"
|
||||
"\tUsing OpenCV version " << CV_VERSION << "\n" << endl;
|
||||
}
|
||||
@ -76,7 +69,7 @@ int main( int argc, const char** argv )
|
||||
}
|
||||
else if( scaleOpt.compare( 0, scaleOptLen, argv[i], scaleOptLen ) == 0 )
|
||||
{
|
||||
if( !sscanf( argv[i] + scaleOpt.length(), "%lf", &scale ) || scale > 1 )
|
||||
if( !sscanf( argv[i] + scaleOpt.length(), "%lf", &scale ) )
|
||||
scale = 1;
|
||||
cout << " from which we read scale = " << scale << endl;
|
||||
}
|
||||
@ -87,7 +80,7 @@ int main( int argc, const char** argv )
|
||||
}
|
||||
else if( argv[i][0] == '-' )
|
||||
{
|
||||
cerr << "WARNING: Unknown option %s" << argv[i] << endl;
|
||||
cerr << "WARNING: Unknown option " << argv[i] << endl;
|
||||
}
|
||||
else
|
||||
inputName = argv[i];
|
||||
@ -120,8 +113,6 @@ int main( int argc, const char** argv )
|
||||
}
|
||||
}
|
||||
|
||||
namedWindow( "result", 1 );
|
||||
|
||||
if( capture.isOpened() )
|
||||
{
|
||||
cout << "Video capturing has been started ..." << endl;
|
||||
@ -133,7 +124,8 @@ int main( int argc, const char** argv )
|
||||
|
||||
detectAndDraw( frame, canvas, cascade, nestedCascade, scale, tryflip );
|
||||
|
||||
if( waitKey( 10 ) >= 0 )
|
||||
int c = waitKey(10);
|
||||
if( c == 27 || c == 'q' || c == 'Q' )
|
||||
break;
|
||||
}
|
||||
}
|
||||
@ -183,46 +175,44 @@ int main( int argc, const char** argv )
|
||||
|
||||
void detectAndDraw( UMat& img, Mat& canvas, CascadeClassifier& cascade,
|
||||
CascadeClassifier& nestedCascade,
|
||||
double scale0, bool tryflip )
|
||||
double scale, bool tryflip )
|
||||
{
|
||||
int i = 0;
|
||||
double t = 0, scale=1;
|
||||
double t = 0;
|
||||
vector<Rect> faces, faces2;
|
||||
const static Scalar colors[] =
|
||||
{
|
||||
Scalar(0,0,255),
|
||||
Scalar(0,128,255),
|
||||
Scalar(0,255,255),
|
||||
Scalar(0,255,0),
|
||||
Scalar(255,0,0),
|
||||
Scalar(255,128,0),
|
||||
Scalar(255,255,0),
|
||||
Scalar(255,0,0),
|
||||
Scalar(0,255,0),
|
||||
Scalar(0,128,255),
|
||||
Scalar(0,255,255),
|
||||
Scalar(0,0,255),
|
||||
Scalar(255,0,255)
|
||||
};
|
||||
static UMat gray, smallImg;
|
||||
|
||||
t = (double)getTickCount();
|
||||
|
||||
resize( img, smallImg, Size(), scale0, scale0, INTER_LINEAR );
|
||||
cvtColor( smallImg, gray, COLOR_BGR2GRAY );
|
||||
equalizeHist( gray, gray );
|
||||
cvtColor( img, gray, COLOR_BGR2GRAY );
|
||||
double fx = 1 / scale;
|
||||
resize( gray, smallImg, Size(), fx, fx, INTER_LINEAR );
|
||||
equalizeHist( smallImg, smallImg );
|
||||
|
||||
cascade.detectMultiScale( gray, faces,
|
||||
cascade.detectMultiScale( smallImg, faces,
|
||||
1.1, 3, 0
|
||||
//|CASCADE_FIND_BIGGEST_OBJECT
|
||||
//|CASCADE_DO_ROUGH_SEARCH
|
||||
|CASCADE_SCALE_IMAGE
|
||||
,
|
||||
|CASCADE_SCALE_IMAGE,
|
||||
Size(30, 30) );
|
||||
if( tryflip )
|
||||
{
|
||||
flip(gray, gray, 1);
|
||||
cascade.detectMultiScale( gray, faces2,
|
||||
flip(smallImg, smallImg, 1);
|
||||
cascade.detectMultiScale( smallImg, faces2,
|
||||
1.1, 2, 0
|
||||
//|CASCADE_FIND_BIGGEST_OBJECT
|
||||
//|CASCADE_DO_ROUGH_SEARCH
|
||||
|CASCADE_SCALE_IMAGE
|
||||
,
|
||||
|CASCADE_SCALE_IMAGE,
|
||||
Size(30, 30) );
|
||||
for( vector<Rect>::const_iterator r = faces2.begin(); r != faces2.end(); r++ )
|
||||
{
|
||||
@ -230,7 +220,7 @@ void detectAndDraw( UMat& img, Mat& canvas, CascadeClassifier& cascade,
|
||||
}
|
||||
}
|
||||
t = (double)getTickCount() - t;
|
||||
smallImg.copyTo(canvas);
|
||||
img.copyTo(canvas);
|
||||
|
||||
double fps = getTickFrequency()/t;
|
||||
static double avgfps = 0;
|
||||
@ -242,41 +232,43 @@ void detectAndDraw( UMat& img, Mat& canvas, CascadeClassifier& cascade,
|
||||
putText(canvas, format("OpenCL: %s, fps: %.1f", ocl::useOpenCL() ? "ON" : "OFF", avgfps), Point(50, 30),
|
||||
FONT_HERSHEY_SIMPLEX, 0.8, Scalar(0,255,0), 2);
|
||||
|
||||
for( vector<Rect>::const_iterator r = faces.begin(); r != faces.end(); r++, i++ )
|
||||
for ( size_t i = 0; i < faces.size(); i++ )
|
||||
{
|
||||
Rect r = faces[i];
|
||||
vector<Rect> nestedObjects;
|
||||
Point center;
|
||||
Scalar color = colors[i%8];
|
||||
int radius;
|
||||
|
||||
double aspect_ratio = (double)r->width/r->height;
|
||||
double aspect_ratio = (double)r.width/r.height;
|
||||
if( 0.75 < aspect_ratio && aspect_ratio < 1.3 )
|
||||
{
|
||||
center.x = cvRound((r->x + r->width*0.5)*scale);
|
||||
center.y = cvRound((r->y + r->height*0.5)*scale);
|
||||
radius = cvRound((r->width + r->height)*0.25*scale);
|
||||
center.x = cvRound((r.x + r.width*0.5)*scale);
|
||||
center.y = cvRound((r.y + r.height*0.5)*scale);
|
||||
radius = cvRound((r.width + r.height)*0.25*scale);
|
||||
circle( canvas, center, radius, color, 3, 8, 0 );
|
||||
}
|
||||
else
|
||||
rectangle( canvas, Point(cvRound(r->x*scale), cvRound(r->y*scale)),
|
||||
Point(cvRound((r->x + r->width-1)*scale), cvRound((r->y + r->height-1)*scale)),
|
||||
rectangle( canvas, Point(cvRound(r.x*scale), cvRound(r.y*scale)),
|
||||
Point(cvRound((r.x + r.width-1)*scale), cvRound((r.y + r.height-1)*scale)),
|
||||
color, 3, 8, 0);
|
||||
if( nestedCascade.empty() )
|
||||
continue;
|
||||
UMat smallImgROI = gray(*r);
|
||||
UMat smallImgROI = smallImg(r);
|
||||
nestedCascade.detectMultiScale( smallImgROI, nestedObjects,
|
||||
1.1, 2, 0
|
||||
//|CASCADE_FIND_BIGGEST_OBJECT
|
||||
//|CASCADE_DO_ROUGH_SEARCH
|
||||
//|CASCADE_DO_CANNY_PRUNING
|
||||
|CASCADE_SCALE_IMAGE
|
||||
,
|
||||
|CASCADE_SCALE_IMAGE,
|
||||
Size(30, 30) );
|
||||
for( vector<Rect>::const_iterator nr = nestedObjects.begin(); nr != nestedObjects.end(); nr++ )
|
||||
|
||||
for ( size_t j = 0; j < nestedObjects.size(); j++ )
|
||||
{
|
||||
center.x = cvRound((r->x + nr->x + nr->width*0.5)*scale);
|
||||
center.y = cvRound((r->y + nr->y + nr->height*0.5)*scale);
|
||||
radius = cvRound((nr->width + nr->height)*0.25*scale);
|
||||
Rect nr = nestedObjects[j];
|
||||
center.x = cvRound((r.x + nr.x + nr.width*0.5)*scale);
|
||||
center.y = cvRound((r.y + nr.y + nr.height*0.5)*scale);
|
||||
radius = cvRound((nr.width + nr.height)*0.25*scale);
|
||||
circle( canvas, center, radius, color, 3, 8, 0 );
|
||||
}
|
||||
}
|
Loading…
x
Reference in New Issue
Block a user