I'm currently working on a project that use Facial Recognition. I therefore need a way to display the webcam images to the user so he can adjust his face.
I've been trying a lot of things to get images from the webcam using as less CPU as possible:
But none of them were fine... Either way too slow or too CPU resources consuming.
Then I tried the Emgu library and I felt great about it. At first, I tried it in a Windows Form project and was updating the image in a Picture Box. But then, when I tried to integrate it in my WPF Project I got stuck on how to pass my image to my Image control..
Right now, I've the following source code:
<Window x:Class="HA.FacialRecognition.Enroll.Window1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="Window1" Width="800" Height="600"
Loaded="Window_Loaded" Closing="Window_Closing">
<Grid>
<Image x:Name="webcam" Width="640" Height="480" >
<Image.Clip>
<EllipseGeometry RadiusX="240" RadiusY="240">
<EllipseGeometry.Center>
<Point X="320" Y="240" />
</EllipseGeometry.Center>
</EllipseGeometry>
</Image.Clip>
</Image>
</Grid>
</Window>
And the code behind:
private Capture capture;
private System.Timers.Timer timer;
public Window1()
{
InitializeComponent();
}
private void Window_Loaded(object sender, RoutedEventArgs e)
{
capture = new Capture();
capture.FlipHorizontal = true;
timer = new System.Timers.Timer();
timer.Interval = 15;
timer.Elapsed += new ElapsedEventHandler(timer_Elapsed);
timer.Start();
}
void timer_Elapsed(object sender, ElapsedEventArgs e)
{
using (Image<Bgr, byte> frame = capture.QueryFrame())
{
if (frame != null)
{
var bmp = frame.Bitmap;
// How do I pass this bitmap to my Image control called "webcam"?
}
}
}
private void Window_Closing(object sender, CancelEventArgs e)
{
if (capture != null)
{
capture.Dispose();
}
}
My guess was to use BitmapSource/WriteableBitmap but I did not get them working...
Thanks!
Image Class has got a UriSource property that you may be looking for