public static double GetEuclidianColor(ColorPoint @from, ColorPoint to)
{
// Compute the Euclidian distance between two colors in the 3D-space
return(Math.Sqrt(Math.Pow(Math.Abs(@from.Color.R - to.Color.R), 2) +
Math.Pow(Math.Abs(@from.Color.G - to.Color.G), 2) +
Math.Pow(Math.Abs(@from.Color.B - to.Color.B), 2)));
}
private List <ColorPoint> GenerateCentroids(Image <Rgba32> image, int amount)
{
var colorPoints = new List <ColorPoint>(amount);
var random = new Random();
for (var i = 0; i < amount; ++i)
{
int randomX;
int randomY;
// Make sure the random position will be unique for the superpixel
while (true)
{
randomX = random.Next(0, image.Width);
randomY = random.Next(0, image.Height);
if (!colorPoints.Any(cp => cp.X == randomX && cp.Y == randomY))
{
break;
}
}
var colorPoint = new ColorPoint(randomX, randomY, image[randomX, randomY]);
colorPoints.Add(colorPoint);
}
return(colorPoints);
}
public KMeansFrame(Image <Rgba32> frame, List <ColorPoint> centroids, ColorPoint center)
{
Frame = frame;
Centroids = centroids;
Center = center;
}
public static double GetEuclidianDistance(ColorPoint @from, ColorPoint to)
{
// Compute the Euclidian distance between two pixel in the 2D-space
return(Math.Sqrt(Math.Pow(@from.X - to.X, 2) +
Math.Pow(@from.Y - to.Y, 2)));
}
