SampleApp.MainForm.btnFreak_Click C# (CSharp) Method

        private void btnFreak_Click(object sender, EventArgs e)
        {
            // Step 1: Detect feature points using FREAK Features Detector
            FastRetinaKeypointDetector freak = new FastRetinaKeypointDetector();

            keyPoints1 = freak.ProcessImage(img1).ToArray();
            keyPoints2 = freak.ProcessImage(img2).ToArray();

            // Show the marked points in the original images
            Bitmap img1mark = new PointsMarker(keyPoints1).Apply(img1);
            Bitmap img2mark = new PointsMarker(keyPoints2).Apply(img2);

            // Concatenate the two images together in a single image (just to show on screen)
            Concatenate concatenate = new Concatenate(img1mark);
            pictureBox.Image = concatenate.Apply(img2mark);
        }