private double diff(double[,,] arrayImage, int x1, int y1, int x2, int y2)
{
double[] colorA = new[] { arrayImage[0, y1, x1], arrayImage[1, y1, x1], arrayImage[2, y1, x1] };
double[] colorB = new[] { arrayImage[0, y2, x2], arrayImage[1, y2, x2], arrayImage[2, y2, x2] };
return(m_colorSheme.Difference(colorA, colorB));
}
internal override double GeAssessment(AssesmentsSegment[] segments, IColorSheme colorSheme)
{
int k = segments.Length;
SumOfPairwiseInternalDistancesAssessment tempassessment = new SumOfPairwiseInternalDistancesAssessment();
double a = tempassessment.GeAssessment(segments, colorSheme);
double denominatorToACoef = 0;
double denominatorToBCoef = 1;
for (int i = 0; i < k; i++)
{
var Nj = segments[i].Length;
denominatorToACoef += (Nj * (Nj - 1) / 2d);
denominatorToBCoef *= Nj;
}
a /= 1d / denominatorToACoef;
double b = 0;
for (int j = 0; j < k - 1; j++)
{
for (int l = 0; l < segments[j].Length; l++)
{
for (int m = j + 1; m < k; m++)
{
for (int h = 0; h < segments[m].Length; h++)
{
b += colorSheme.Difference(segments[j].points[l], segments[m].points[h]);
}
}
}
}
b /= 1d / denominatorToBCoef;
return(a / b);
}