public void TestLKFlow()
{
var path = Path.Combine(Directory.GetParent(Directory.GetCurrentDirectory()).FullName, "Resources", "LKFlow");
var im1 = Bitmap.FromFile(Path.Combine(path, "1.bmp")).ToImage <Gray, float>();
var im2 = Bitmap.FromFile(Path.Combine(path, "2.bmp")).ToImage <Gray, float>();
var pts = new List <PointF>();
pts.Add(new PointF(272, 82)); //-> 277,83
PointF[] currFeatures;
float[] error;
KLTFeatureStatus[] featureStatus;
/*LKOpticalFlow<Gray>.EstimateFlow(lkStorage, pts.ToArray(),
* out currFeatures, out featureStatus, out error);*/
PyrLKOpticalFlow <Gray> .EstimateFlow(im1, im2, pts.ToArray(),
out currFeatures, out featureStatus, out error, 15, 15, 0.1f, 0.05f, 0.1f, 0);
var debug = im2.Convert <Bgr, byte>();
debug[(int)currFeatures.First().Y, (int)currFeatures.First().X] = Bgr8.Red;
debug.Save("bla.bmp");
}
public void TestLKFlow()
{
var im1 = new Gray <float> [480, 640];
im1.SetValue <Gray <float> >(System.Byte.MaxValue, new Rectangle(272, 82, 116, 64));
var im2 = new Gray <float> [480, 640];
im2.SetValue <Gray <float> >(System.Byte.MaxValue, new Rectangle(277, 83, 116, 64));
var pts = new List <PointF>();
pts.Add(new PointF(272, 82)); //-> 277,83
PointF[] currFeatures;
KLTFeatureStatus[] featureStatus;
/*LKOpticalFlow<Gray<float>>.EstimateFlow(lkStorage, pts.ToArray(),
* out currFeatures, out featureStatus);*/
PyrLKOpticalFlow <Gray <float> > .EstimateFlow(im1, im2, pts.ToArray(),
out currFeatures, out featureStatus);
Assert.IsTrue(featureStatus[0] == KLTFeatureStatus.Success);
Assert.IsTrue(Math.Round(currFeatures[0].X) == 277 && Math.Round(currFeatures[0].Y) == 83);
}
private void processImage(FlowColor[,] prevIm, FlowColor[,] currIm, List <PointF> oldPositions, out List <PointF> newPositions)
{
lkStorage.Process(prevIm, currIm);
PointF[] currFeatures;
KLTFeatureStatus[] featureStatus;
/*LKOpticalFlow<FlowColor>.EstimateFlow(lkStorage, oldPositions.ToArray(),
* out currFeatures, out featureStatus,
* winSize);*/
PyrLKOpticalFlow <FlowColor> .EstimateFlow(lkStorage, oldPositions.ToArray(),
out currFeatures, out featureStatus,
winSize);
newPositions = new List <PointF>();
for (int i = 0; i < currFeatures.Length; i++)
{
if (featureStatus[i] == KLTFeatureStatus.Success)
{
newPositions.Add(currFeatures[i]);
}
Console.WriteLine(featureStatus[i]);
}
}
