private void ButtonDrawContours_Click(object sender, RoutedEventArgs e)
{
if (inputSoftwareBitmap != null)
{
processedImage = inputSoftwareBitmap.ToWriteableBitmap();
OpenCvWrapper.DetectObjects(processedImage, true);
OnPropertyChanged("ProcessedImage");
}
}
private async Task <ObjectDescriptor> FindLargestObject(VideoFrame videoFrame)
{
if (Dispatcher.HasThreadAccess)
{
videoFrame.SoftwareBitmap.CopyToBuffer(workingBitmap.PixelBuffer);
var objects = OpenCvWrapper.DetectObjects(workingBitmap, false);
return(GetLargestObject(objects));
}
else
{
ObjectDescriptor objectDescriptor = null;
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, async() =>
{
objectDescriptor = await FindLargestObject(videoFrame);
});
return(objectDescriptor);
}
}