private void timer1_Tick(object sender, EventArgs e)
{
var frame = _source.NextFrame();
if (frame == null)
{
timer.Stop();
}
else
{
controlScene.Show(frame);
}
}
public void SuperResolutionTest()
{
Mat frame = new Mat(); // input video frame
Mat result = new Mat(); // output superresolution image
//FrameSource _frameSource = new FrameSource(0); // input frames are obtained from WebCam or USB Camera
FrameSource _frameSource = new FrameSource(@"C:\Users\Samantha\Documents\University\Fourth Year\METR4810\Data\Backlight\vi_0004_20180430_015632.mp4", false); // input frames are read from a file
_frameSource.NextFrame(frame); // input frames are obtained from WebCam or USB Camera
try
{
for (int i = 0; i < 5; i++)
{
frame.Save(@"C:\Users\Samantha\Documents\University\Fourth Year\METR4810\Data\SuperresTest\In" + i.ToString("00i") + ".png");
SuperResolution _superResolution = new SuperResolution(Emgu.CV.Superres.SuperResolution.OpticalFlowType.Btvl, _frameSource);
_superResolution.NextFrame(result); // output super resolution image
result.Save(@"C:\Users\Samantha\Documents\University\Fourth Year\METR4810\Data\SuperresTest\Out" + i.ToString("00i") + ".png");
}
}
catch (Exception ex)
{
Console.Write(ex);
}
}
public void ShowGame(FrameSource source)
{
_source = source;
this.DataContext = _source;
var frame = _source.NextFrame();
controlScene.Show(frame);
}
public static void Run()
{
Mat image = new Mat();
frameSource = Cv2.CreateFrameSource_Camera(0);
while (true)
{
//Grab the current frame
frameSource.NextFrame(image);
Mat gray = new Mat();
Cv2.CvtColor(image, gray, ColorConversionCodes.BGR2GRAY);
Mat blur = new Mat();
Cv2.GaussianBlur(gray, blur, new Size(19, 19), 0);
Mat threshImg = new Mat();
double thresh = Cv2.Threshold(gray, threshImg, 150, 255, ThresholdTypes.Otsu);
Mat[] contours;
Mat hierarchy = new Mat();
Cv2.FindContours(threshImg, out contours, hierarchy, RetrievalModes.Tree, ContourApproximationModes.ApproxSimple);
double maxArea = 100;
Mat handContour = new Mat();
handContour = contours.OrderByDescending(x => (x.ContourArea())).ToList()[0];
//foreach (var item in contours)
//{
// if(item.ContourArea() > maxArea)
// {
// handContour = item;
// break;
// }
//}
Mat hull = new Mat();
Cv2.ConvexHull(handContour, hull);
Mat defects = new Mat();
Cv2.ConvexityDefects(handContour, hull, defects);
Cv2.ImShow("frame", hull);
//Cv2.WaitKey(0);
if (Cv2.WaitKey(1) == (int)ConsoleKey.Enter)
{
break;
}
}
}
public Mat CaptureImage()
{
try
{
_source.NextFrame(_image); //Grab screenshot from webcam
_image.SaveImage(FilePath); //Save screenshot to file destination
//image.Dispose(); //Release the Matrix resources
return(_image);
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
}
public void CaptureImage()
{
using var image = new Mat(); //Create a Mat object
try
{
Console.WriteLine("Capturing image ...");
_source.NextFrame(image); //Grab screenshot from webcam
image.SaveImage(FilePath); //Save screenshot to file destination
image.Dispose(); //Release the Matrix resources
Console.WriteLine("Image captured!");
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
}
public Mat Capture(bool save)
{
//Initialise the image matrix
Mat img = new Mat();
//Grab the frame to the img variable
frameSource.NextFrame(img);
//Check save variable is true
if (save)
{
string imagePath = string.Format("{0}\\cam.jpg", AppDomain.CurrentDomain.BaseDirectory);
//Save the captured image
img.SaveImage(imagePath);
//Cv2.ImShow("Org Img", img);
}
return(img);
}
private void FirstButton_OnClick(object sender, RoutedEventArgs e)
{
//Mat src = new Mat("lenna.png", ImreadModes.Grayscale);
//Mat dst = new Mat();
//Cv2.Canny(src, dst, 10, 300, 3);
//SrcImage.Source = bitmapToBitmapImage(OpenCvSharp.Extensions.BitmapConverter.ToBitmap(src));
//if (src.ImWrite("srcLenna.jpg"))
//{
// Uri srcUri = new Uri(Path.Combine(Environment.CurrentDirectory, "srcLenna.jpg"));
// SrcImage.Source = new BitmapImage(srcUri);
//}
//if (dst.ImWrite("dstLenna.jpg"))
//{
// Uri dstUri = new Uri(Path.Combine(Environment.CurrentDirectory, "dstLenna.jpg"));
// DstImage.Source = new BitmapImage(dstUri);
//}
//VideoCapture capture = new VideoCapture(0);
FrameSource frame = Cv2.CreateFrameSource_Camera(0);
//using var window = new OpenCvSharp.Window("Camera");
Task.Run(() =>
{
isOpen = true;
using var image = new Mat();
using var dst = new Mat();
while (isOpen)
{
//capture.Read(image);
//if (image.Empty()) break;
//window.ShowImage(image);
//image.ImWrite("camera.jpg");
//Uri dstUri = new Uri(Path.Combine(Environment.CurrentDirectory, "camera.jpg"));
//DstImage.Source = new BitmapImage(dstUri);
//DstImage.Source = bitmapToBitmapImage//(OpenCvSharp.Extensions.BitmapConverter.ToBitmap(image));
//Cv2.WaitKey();
frame.NextFrame(image);
if (image.Empty())
{
break;
}
Dispatcher.Invoke(new Action(() =>
{
var src_gray = new Mat();
Cv2.CvtColor(image, src_gray, ColorConversionCodes.RGB2GRAY);
Cv2.Blur(src_gray, src_gray, new OpenCvSharp.Size(2, 2));
Cv2.Canny(src_gray, dst, Threshold1.Value, Threshold2.Value);
SrcImage.Source = bitmapToBitmapImage(BitmapConverter.ToBitmap(src_gray));
DstImage.Source = bitmapToBitmapImage(BitmapConverter.ToBitmap(dst));
}));
}
});
}
