public LowFrequencySpatialFilter(IDalContext dalContext) : base(dalContext)
 {
     KernelConvolution = new double[, ] {
         { 1, 2, 1 }, { 2, 4, 2 }, { 1, 2, 1 }
     };
     PreCalculatedFilterValues = DalContext.GetLowFrequencySpatialDataMatrix();
 }