code: public static void process(GrayU8 orig, GrayF32 deriv) {
  		deriv.reshape(orig.width,orig.height);
  
  		if( BoofConcurrency.USE_CONCURRENT ) {
  			DerivativeLaplacian_Inner_MT.process(orig,deriv);
  		} else {
  			DerivativeLaplacian_Inner.process(orig,deriv);
  		}
  
  //		if( border != null ) {
  //			border.setImage(orig);
  //			ConvolveJustBorder_General_SB.convolve(kernel_I32, border,deriv);
  //		}
  	}
docs: Computes Laplacian on an U8 image but outputs derivative in a F32 image. Removes a step when processing
  images for feature detection