void FaceDetector::process(cv::Mat frame)
{
cv::Mat grey_image;
cv::cvtColor(frame, grey_image, CV_BGR2GRAY);
cv::equalizeHist(grey_image, grey_image);
std::vector<cv::Rect> faces;
// Calculate the camera size and set the size to 1/8 of screen height
faceCascade.detectMultiScale(grey_image, faces, 1.1, 2, 0|CV_HAAR_SCALE_IMAGE,
cv::Size(frame.cols/4, frame.rows/4)); // Minimum size of obj
//-- Draw rectangles around faces
for( size_t i = 0; i < faces.size(); i++)
{
cv::rectangle(frame, faces[i], cv::Scalar( 255, 0, 255 ));
/*
cv::Point center( faces[i].x + faces[i].width*0.5,
faces[i].y + faces[i].height*0.5);
ellipse( frame, center,
cv::Size( faces[i].width*0.5, faces[i].height*0.5 ),
0, 0, 360, cv::Scalar( 255, 0, 255 ), 4, 8, 0);
cv::Mat faceROI = frameGray( faces[i] );
std::vector<cv::Rect> eyes;
//-- In each face, detect eyes
eyeCascade.detectMultiScale( faceROI, eyes, 1.1, 2, 0|CV_HAAR_SCALE_IMAGE, cv::Size(30, 30) );
for( size_t j = 0; j < eyes.size(); j++)
{
cv::Point center( faces[i].x + eyes[j].x + eyes[j].width*0.5,
faces[i].y + eyes[j].y + eyes[j].height*0.5 );
int radius = cvRound( (eyes[j].width + eyes[j].height) *0.25);
circle( frame, center, radius, cv::Scalar( 255, 0, 0 ), 4, 8, 0);
}
*/
}
const QImage image((const unsigned char*)frame.data, frame.cols, frame.rows, frame.step,
QImage::Format_RGB888, &matDeleter, new cv::Mat(frame));
image.rgbSwapped();
Q_ASSERT(image.constBits() == frame.data);
emit image_signal(image);
}
ViewerWindow::ViewerWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::ViewerWindow)
{
//Create GUI
ui->setupUi(this);
//Create Network Socket
tcpSocket = new QTcpSocket();
connected_to_server = false;
//Create capturebuffer and connect its image_signal to on_frame slot
captureBuffer = new CaptureBuffer;
connect(captureBuffer,SIGNAL(image_signal(QImage)), this, SLOT(on_frame(QImage)));
//Read previously selected camera from settings
QSettings settings("GS", "viewer");
selected_camera = settings.value("Selected Camera", QByteArray()).toByteArray();
if (selected_camera == QByteArray()) //no device was selected
{
selected_camera = QCamera::availableDevices()[0];
}
camera = NULL;
//Create empty movie and connect buttons to slots
movie_ = new QMovie();
//ui->label->setMovie(movie_);
connect(ui->playButton, SIGNAL(clicked()), this, SLOT(pauseUnpauseMovie()));
connect(ui->stopButton, SIGNAL(clicked()), movie_, SLOT(stop()));
//Read and set autostart from settings
autostart = settings.value("Auto-Iniciar", true).toBool();
ui->autoInit->setChecked(autostart);
if (autostart) ui->playButton->setText("Pausar");
else ui->playButton->setText("Iniciar");
}