public static byte Run(Bitmap bmp, int centerX, int centerY, int[] mask)
{
int d = (int)Math.Sqrt(mask.Length);
if (centerX - d < 0 || centerY - d < 0)
{
return(bmp.GetPixel(centerX, centerY).R);
}
else
{
int halfd = (int)Math.Floor(d / 2.0);
Rectangle rect = new Rectangle(centerX - halfd, centerY - halfd, d, d);
Bitmap rectBmp = bmp.Clone(rect, bmp.PixelFormat);
Bitmap3 bitmap3 = new Bitmap3(rectBmp);
double v = 0;
for (int i = 0; i < mask.Length; i++)
{
v += bitmap3.Bitplane[0].GetPixel(i % d, (int)1 / d);
}
return(Convert.ToByte(v / mask.Length));
}
}
/// <summary>
/// slic计算
/// </summary>
/// <param name="bmp"></param>
/// <param name="numberOfCenters"></param>
/// <param name="m"></param>
/// <param name="edgeColor"></param>
/// <returns></returns>
public static SlicPackage Run(Bitmap bmp, double numberOfCenters, double m, Color edgeColor)
{
Bitmap3 image = new Bitmap3(bmp);
Bitmap[] processedImages = new Bitmap[2];
// Convert RGB TO LAB
image.RGBtoLAB();
// Create centers
double S = Math.Sqrt((image.Width * image.Height) / numberOfCenters);
Center[] centers = CreateCenters(image, numberOfCenters, S);
Bitplane labels = new Bitplane(image.Width, image.Height);
labels.SetAllTo(-1);
for (int iteration = 0; iteration < 10; iteration++)
{
Bitplane lenghts = new Bitplane(image.Width, image.Height);
lenghts.Max();
int i = 0;
foreach (Center center in centers)
{
for (int k = (int)Math.Round(center.X - S); k < (int)Math.Round(center.X + S); k++)
{
for (int l = (int)Math.Round(center.Y - S); l < (int)Math.Round(center.Y + S); l++)
{
if (k >= 0 && k < image.Width && l >= 0 && l < image.Height)
{
double L = image.Bitplane[2].GetPixel(k, l);
double A = image.Bitplane[1].GetPixel(k, l);
double B = image.Bitplane[0].GetPixel(k, l);
double Dc = Math.Sqrt(Math.Pow(L - center.L, 2) + Math.Pow(A - center.A, 2) + Math.Pow(B - center.B, 2));
double Ds = Math.Sqrt(Math.Pow(l - center.Y, 2) + Math.Pow(k - center.X, 2));
double lenght = Math.Sqrt(Math.Pow(Dc, 2) + Math.Pow(Ds / 2, 2) * Math.Pow(m, 2));
if (lenght < lenghts.GetPixel(k, l))
{
lenghts.SetPixel(k, l, lenght);
labels.SetPixel(k, l, i);
}
}
}
}
i++;
}
centers = CalculateNewCenters(image, centers, labels);
}
//image.GetBitmap().Save(@"D:\Workspace\bmp\o.jpg");
//image = drawAverage(image, centers, labels);
//image.LABtoRGB();
//processedImages[0] = image.GetBitmap(); // Segmented
image = DrawEdges(image, centers, labels, edgeColor);
image.LABtoRGB();
processedImages[0] = image.GetBitmap(); // Segmented with Edge
image = DrawAverage(image, centers, labels);
image.LABtoRGB();
processedImages[1] = image.GetBitmap();
//center
string centerText = Newtonsoft.Json.JsonConvert.SerializeObject(centers);
//label
string labelText = Newtonsoft.Json.JsonConvert.SerializeObject(labels);
return(new SlicPackage()
{
Label = labelText,
Edge = processedImages[0],
Average = processedImages[1],
CENTER = centerText,
});
}
