public void TestArray2dUchar()
{
using (var window = new ImageWindow())
using (var src = new Array2dUchar())
{
const string imagePath = "images\\lenna.bmp";
var bmp = new System.Drawing.Bitmap(imagePath);
src.SetBitmap(bmp);
window.SetImage(src);
OpenCvSharp.Cv2.WaitKey(Cv2WaitKeyDelay);
using (var image = new Array2dUchar(src))
{
image.PyramidUp();
window.SetImage(image);
OpenCvSharp.Cv2.WaitKey(Cv2WaitKeyDelay);
image.ResizeImage(image.Width / 2, image.Height / 2);
window.SetImage(image);
OpenCvSharp.Cv2.WaitKey(Cv2WaitKeyDelay);
}
using (var image = new Array2dUchar(640, 480))
{
// Quadratic does not work.
Array2dUchar.ResizeImageWithResizeImageInterporateKind(src, image, ResizeImageInterporateKind.Bilinear);
window.SetImage(image);
OpenCvSharp.Cv2.WaitKey(Cv2WaitKeyDelay);
}
}
}
public void TestFrontalFaceDetector()
{
const string imagePath = "images\\lenna.bmp";
using (var window = new ImageWindow())
using (var image = new Array2dUchar())
using (var detector = new FrontalFaceDetector())
{
var bmp = new System.Drawing.Bitmap(imagePath);
image.SetBitmap(bmp);
image.PyramidUp();
window.SetImage(image);
OpenCvSharp.Cv2.WaitKey(Cv2WaitKeyDelay);
var rects = detector.DetectFaces(image, -0.5);
foreach (var rect in rects)
{
Console.WriteLine(rect);
}
}
}
public void RawApiFrontalFaceDetectorUsingMemoryInput()
{
const string imagePath = "images\\lenna.bmp";
var imageBytes = File.ReadAllBytes(imagePath);
IntPtr detector = IntPtr.Zero;
IntPtr dets = IntPtr.Zero;
try
{
using (var window = new ImageWindow())
using (var image = new Array2dUchar())
{
Console.WriteLine($"Size: ({image.Width},{image.Height})");
Trace.Assert(image.Width == 0 && image.Height == 0);
window.SetImage(image);
OpenCvSharp.Cv2.WaitKey(Cv2WaitKeyDelay);
NativeMethods.dlib_load_bmp_array2d_uchar(image.DlibArray2dUchar, imageBytes, new IntPtr(imageBytes.Length));
Console.WriteLine($"Size: ({image.Width},{image.Height})");
Trace.Assert(image.Width == 512 && image.Height == 480);
window.SetImage(image);
OpenCvSharp.Cv2.WaitKey(Cv2WaitKeyDelay);
image.SetBitmap(new System.Drawing.Bitmap(imagePath));
Console.WriteLine($"Size: ({image.Width},{image.Height})");
Trace.Assert(image.Width == 512 && image.Height == 480);
window.SetImage(image);
OpenCvSharp.Cv2.WaitKey(Cv2WaitKeyDelay);
image.PyramidUp();
Console.WriteLine($"Size: ({image.Width},{image.Height})");
window.SetImage(image);
OpenCvSharp.Cv2.WaitKey(Cv2WaitKeyDelay);
detector = NativeMethods.dlib_get_frontal_face_detector();
dets = NativeMethods.vector_Rect_new1();
NativeMethods.dlib_frontal_face_detector_operator(detector, image.DlibArray2dUchar, -0.5, dets);
unsafe
{
Rect *rectangles = (Rect *)NativeMethods.vector_Rect_getPointer(dets).ToPointer();
long count = NativeMethods.vector_Rect_getSize(dets).ToInt64();
for (int i = 0; i < count; i++)
{
Console.WriteLine(rectangles[i]);
}
}
}
}
finally
{
if (detector != IntPtr.Zero)
{
NativeMethods.dlib_frontal_face_detector_delete(detector);
}
if (dets != IntPtr.Zero)
{
NativeMethods.vector_Rect_delete(dets);
}
}
}
