private Rect[] GetFacesInImage(Mat image)
{
Rect[] faces;
lock (cascadeLock)
{
faces = Cascade.DetectMultiScale(image);
}
return(faces);
}
//Face detection
private void DetectAndSaveImg(Mat image)
{
//Image to gray scale
using (var grayImage = new Mat()) {
Cv2.CvtColor(image, grayImage, ColorConversionCodes.BGR2GRAY);
//Flattening the histogram
Cv2.EqualizeHist(grayImage, grayImage);
//Face recognition, Small faces excluded
var mats = Cascade.DetectMultiScale(grayImage, 1.1, 3, 0, new Size(80, 80))
//Make rects focusing on facial parts
.Select(rect => new Rect(rect.X, rect.Y, rect.Width, rect.Height))
//Imaged cut out
.Select(image.Clone)
//Listing
.ToList();
SaveImg(mats);
}
}
