public Mat MakeSkeleton(
[InputPin(Description = "", PropertyMode = PropertyMode.Never)] Mat image
)
{
if (image.Channels() != 1)
{
throw new Exception("Input image should be a single channel image.");
}
Mat img = image.Clone();
Mat skel = Mat.Zeros(img.Size(), MatType.CV_8UC1);
Mat temp;
Mat eroded;
Mat element = OpenCvWrapper.GetStructuringElement(new Size(3, 3), MorphShapes.Cross);
bool done;
do
{
eroded = img.Erode(element);
temp = eroded.Dilate(element);
temp = OpenCvWrapper.Subtract(img, temp);
skel = OpenCvWrapper.BitwiseOr(skel, temp);
eroded.CopyTo(img);
done = (OpenCvWrapper.CountNonZero(img) == 0);
} while (!done);
return(skel);
}
private int GetObjectIndex()
{
double brightness = OpenCvWrapper.Brightness(workingBitmap);
// 이미지 밝기가 충분히 큰 경우, 첫 번째 가짜 객체는 무시한다
return(brightness > minBrightness ? 1 : 0);
}
private void ButtonDrawContours_Click(object sender, RoutedEventArgs e)
{
if (inputSoftwareBitmap != null)
{
processedImage = inputSoftwareBitmap.ToWriteableBitmap();
OpenCvWrapper.DetectObjects(processedImage, true);
OnPropertyChanged("ProcessedImage");
}
}
private void ThresholdImage()
{
if (inputSoftwareBitmap != null)
{
processedImage = inputSoftwareBitmap.ToWriteableBitmap();
OpenCvWrapper.Threshold(processedImage, thresholdLevel, thresholdType);
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);
}
}
