public static double[,] GetLaplaceFilter(LaplaceFilterType type)
{
switch (type)
{
case LaplaceFilterType.Lapl1:
return(new double[, ]
{
{ 0, -1, 0 },
{ -1, 4, -1 },
{ 0, -1, 0 }
});
case LaplaceFilterType.Lapl2:
return(new double[, ]
{
{ -1, -1, -1 },
{ -1, 8, -1 },
{ -1, -1, -1 }
});
case LaplaceFilterType.Lapl3:
return(new double[, ]
{
{ 1, -2, 1 },
{ -2, 4, -2 },
{ 1, -2, 1 }
});
case LaplaceFilterType.LaplSkew:
return(new double[, ]
{
{ -1, 0, -1 },
{ 0, 4, 0 },
{ -1, 0, -1 }
});
case LaplaceFilterType.LaplHorizontal:
return(new double[, ]
{
{ 0, -1, 0 },
{ 0, 2, 0 },
{ 0, -1, 0 }
});
case LaplaceFilterType.LaplVertical:
return(new double[, ]
{
{ 0, 0, 0 },
{ -1, 2, -1 },
{ 0, 0, 0 }
});
default:
throw new ArgumentOutOfRangeException(nameof(type), type, null);
}
}
public LaplaceOperator(LaplaceFilterType type = LaplaceFilterType.Lapl1) : base(AlgorithmType.LaplaceOperator)
{
Kernel1 = LaplaceFilter.GetLaplaceFilter(type);
}
