public void BhattacharyyaTest2()
{
double[] x = { 2, 0, 0 };
double[] y = { 1, 0, 0 };
double[,] covX =
{
{ 2, 3, 0 },
{ 3, 0, 0 },
{ 0, 0, 0 }
};
double[,] covY =
{
{ 2, 1, 0 },
{ 1, 0, 0 },
{ 0, 0, 0 }
};
// Run actual test
double expected = 0.1438410362258904;
double actual = Distance.Bhattacharyya(x, covX, y, covY);
Assert.AreEqual(expected, actual, 1e-6);
Assert.IsFalse(Double.IsNaN(actual));
}
public void BhattacharyyaTest1()
{
double[] histogram1 = { 0.1, 0.5, 0.4 };
double[] histogram2 = { 0.7, 0.2, 0.1 };
double expected = 0.468184902444219;
double actual = Distance.Bhattacharyya(histogram1, histogram2);
Assert.AreEqual(expected, actual, 1e-10);
Assert.IsFalse(Double.IsNaN(actual));
}
public void BhattacharyyaTest4()
{
double[,] X =
{
{ 0.20, 0.52 },
{ 1.52, 2.53 },
{ 7.21, 0.92 },
};
double expected = 0.0;
double actual = Distance.Bhattacharyya(X, X);
Assert.AreEqual(expected, actual, 1e-10);
Assert.IsFalse(Double.IsNaN(actual));
}
public void BhattacharyyaTest()
{
double[,] X =
{
{ 0.20, 0.52 },
{ 1.52, 2.53 },
{ 7.21, 0.92 },
};
double[,] Y =
{
{ 9.42, 5.21 },
{ 1.12, 3.14 },
{ 5.21, 2.12 },
};
double expected = 0.450958210666019;
double actual = Distance.Bhattacharyya(X, Y);
Assert.AreEqual(expected, actual, 1e-10);
}
