/// <summary>
/// Class constructor. Creates object for image.
/// </summary>
/// <param name="Image">[In]Pointer to Bitmap object.</param>
/// <param name="MinFaceSize">[In]Minimum face size in pixels default value is 20% of image size.</param>
public FaceDetector(Image Image, int MinFaceSize = -1)
{
FACE_DETECTOR_SETTINGS Settings = new FACE_DETECTOR_SETTINGS();
Settings.nHeight = Image.Height;
Settings.nWidth = Image.Width;
if (MinFaceSize < 0)
{
MinFaceSize = (int)(Math.Min(Image.Width, Image.Height) * 0.2);
}
Settings.nMinFaceSize = MinFaceSize;
FaceDetector_Create(ref Settings, ref IntObjPtr);
}
/// <summary>
/// Static method that detects faces on image provided as byte array.First byte corresponds to lower left corner on image.
/// </summary>
/// <param name="Image">[In]ImageObject object</param>
/// <param name="Width">[In]Image width</param>
/// <param name="Height">[In]Image height</param>
/// <param name="MinFaceSize">[In]Minimum face size in pixels default value is 20% of image size.</param>
/// <returns>Method returns list with detected faces or empty list when no faces found.</returns>
public static List <DETECTED_ITEM> DetectFacesfromImage(ImageObject ImageObject, int Width, int Height, int MinFaceSize = -1)
{
if (MinFaceSize < 0)
{
MinFaceSize = (int)(Math.Min(Width, Height) * 0.2);
}
FACE_DETECTOR_SETTINGS Settings = new FACE_DETECTOR_SETTINGS();
Settings.nHeight = Height;
Settings.nWidth = Width;
Settings.nMinFaceSize = MinFaceSize;
FaceDetector TempDetector = new FaceDetector(Settings);
return(TempDetector.DetectFaces(ImageObject));
}
/// <summary>
/// Constructor. Creates object using specified settings.
/// </summary>
/// <param name="Settings">[In]Face detector settings</param>
public FaceDetector(FACE_DETECTOR_SETTINGS Settings)
{
FaceDetector_Create(ref Settings, ref IntObjPtr);
}
private static extern FACE_DETECTION_RESULT FaceDetector_Create(ref FACE_DETECTOR_SETTINGS Settings, ref IntPtr Detector);