docs: public static void process(GrayF32 orig,
  							   GrayF32 derivXX, GrayF32 derivYY, GrayF32 derivXY,
  							   ImageBorder_F32 border ) {
  		InputSanityCheck.reshapeOneIn(orig, derivXX, derivYY, derivXY);
  		HessianThree_Standard.process(orig, derivXX, derivYY, derivXY);
  
  		if( border != null ) {
  			DerivativeHelperFunctions.processBorderHorizontal(orig, derivXX ,kernelXXYY_F32, border );
  			DerivativeHelperFunctions.processBorderVertical(orig, derivYY ,kernelXXYY_F32, border );
  			ConvolveJustBorder_General_SB.convolve(kernelCross_F32,border,derivXY);
  		}
  	}