public void Run()
{
var gray = new Mat(FilePath.Image.Lenna, LoadMode.GrayScale);
var dst = new Mat(FilePath.Image.Lenna, LoadMode.Color);
// ORB
var orb = new ORB(1000);
KeyPoint[] keypoints = orb.Detect(gray);
// FREAK
FREAK freak = new FREAK();
Mat freakDescriptors = new Mat();
freak.Compute(gray, ref keypoints, freakDescriptors);
if (keypoints != null)
{
var color = new Scalar(0, 255, 0);
foreach (KeyPoint kpt in keypoints)
{
float r = kpt.Size / 2;
Cv2.Circle(dst, kpt.Pt, (int)r, color, 1, LineType.Link8, 0);
Cv2.Line(dst,
new Point2f(kpt.Pt.X + r, kpt.Pt.Y + r),
new Point2f(kpt.Pt.X - r, kpt.Pt.Y - r),
color, 1, LineType.Link8, 0);
Cv2.Line(dst,
new Point2f(kpt.Pt.X - r, kpt.Pt.Y + r),
new Point2f(kpt.Pt.X + r, kpt.Pt.Y - r),
color, 1, LineType.Link8, 0);
}
}
using (new Window("FREAK", dst))
{
Cv.WaitKey();
}
}
public void SetFeatureDescriptor(object sender, EventArgs e)
{
var currentItem = sender as ToolStripComboBox;
var enumItem = EnumExtension.ReturnEnumValue <EFeaturesDescriptor>(currentItem.SelectedItem.ToString());
IFeatureDescriptor tempItem = null;
switch (enumItem)
{
case EFeaturesDescriptor.ORB: tempItem = new OrientedFastAndRotatedBrief(); break;
case EFeaturesDescriptor.FAST: tempItem = new FAST(); break;
case EFeaturesDescriptor.FREAK: tempItem = new FREAK(); break;
case EFeaturesDescriptor.BRIEF: tempItem = new BRIEF(); break;
case EFeaturesDescriptor.CudaORB: tempItem = new CudaOrientedFastAndRotatedBrief(); break;
}
_sfmManager._descriptor = tempItem;
}
public override void RunTest()
{
using var gray = new Mat(ImagePath.Lenna, ImreadModes.Grayscale);
using var dst = new Mat(ImagePath.Lenna, ImreadModes.Color);
// ORB
using var orb = ORB.Create(1000);
KeyPoint[] keypoints = orb.Detect(gray);
// FREAK
using var freak = FREAK.Create();
Mat freakDescriptors = new Mat();
freak.Compute(gray, ref keypoints, freakDescriptors);
if (keypoints != null)
{
var color = new Scalar(0, 255, 0);
foreach (KeyPoint kpt in keypoints)
{
float r = kpt.Size / 2;
Cv2.Circle(dst, (Point)kpt.Pt, (int)r, color);
Cv2.Line(dst,
(Point) new Point2f(kpt.Pt.X + r, kpt.Pt.Y + r),
(Point) new Point2f(kpt.Pt.X - r, kpt.Pt.Y - r),
color);
Cv2.Line(dst,
(Point) new Point2f(kpt.Pt.X - r, kpt.Pt.Y + r),
(Point) new Point2f(kpt.Pt.X + r, kpt.Pt.Y - r),
color);
}
}
using (new Window("FREAK", dst))
{
Cv2.WaitKey();
}
}
public FreakForm(FREAK freak)
{
this._freak = freak;
InitializeComponent();
InitializeStringForComponents();
}
