docs: public static int convolve(Kernel1D_S32 horizontal, Kernel1D_S32 vertical,
  							   GrayU8 input, int c_x , int c_y, int storage[] )
  	{
  		if( horizontal.width != vertical.width )
  			throw new IllegalArgumentException("Both kernels need to be the same width.  Change code if this is a problem.");
  
  		return ConvolveNormalizedStandardSparse.convolve(horizontal,vertical,input,c_x,c_y,storage);
  	}