private void DetectFace()
{
string facePath;
try
{
// get face detect dataset
facePath = Path.GetFullPath(@"data/haarcascade_frontalface_default.xml");
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
CascadeClassifier classifierFace = new CascadeClassifier(facePath);
Image <Gray, byte> imgGrayCurr = CurrImageI.Convert <Gray, byte>().Clone();
Image <Gray, byte> imgGrayNext = NextImageI.Convert <Gray, byte>().Clone();
int minWidthCurr = (int)(CurrImageI.Width * HAAR_MIN_FACE_FACTOR);
int minHeightCurr = (int)(CurrImageI.Height * HAAR_MIN_FACE_FACTOR);
int maxWidthCurr = (int)(CurrImageI.Width * HAAR_MAX_FACE_FACTOR);
int maxHeightCurr = (int)(CurrImageI.Height * HAAR_MAX_FACE_FACTOR);
int minWidthNext = (int)(NextImageI.Width * HAAR_MIN_FACE_FACTOR);
int minWHeightNext = (int)(NextImageI.Height * HAAR_MIN_FACE_FACTOR);
int maxWidthNext = (int)(NextImageI.Width * HAAR_MAX_FACE_FACTOR);
int maxHeightNext = (int)(NextImageI.Height * HAAR_MAX_FACE_FACTOR);
System.Drawing.Size minSizeCurr = new System.Drawing.Size(minWidthCurr, minHeightCurr);
System.Drawing.Size maxSizeCurr = new System.Drawing.Size(maxWidthCurr, maxHeightCurr);
System.Drawing.Size minSizeNext = new System.Drawing.Size(minWidthNext, minWHeightNext);
System.Drawing.Size maxSizeNext = new System.Drawing.Size(maxWidthNext, maxHeightNext);
// Detect Faces
facesArrCurr = classifierFace.DetectMultiScale(imgGrayCurr, HAAR_SCALE_FACTOR, HAAR_SCALE_MIN_NEIGHBOURS, minSizeCurr, maxSizeCurr);
facesArrNext = classifierFace.DetectMultiScale(imgGrayNext, HAAR_SCALE_FACTOR, HAAR_SCALE_MIN_NEIGHBOURS, minSizeNext, maxSizeNext);
FacesListCurr = facesArrCurr.ToList <Rectangle>();
FacesListNext = facesArrNext.ToList <Rectangle>();
}
