SampleApp.MainForm.btnSurf_Click C# (CSharp) Method

        private void btnSurf_Click(object sender, EventArgs e)
        {
            // Step 1: Detect feature points using Surf Corners Detector
            SpeededUpRobustFeaturesDetector surf = new SpeededUpRobustFeaturesDetector();

            surfPoints1 = surf.ProcessImage(img1).ToArray();
            surfPoints2 = surf.ProcessImage(img2).ToArray();

            // Show the marked points in the original images
            Bitmap img1mark = new FeaturesMarker(surfPoints1).Apply(img1);
            Bitmap img2mark = new FeaturesMarker(surfPoints2).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);
        }