docs: public static void hessian(GrayF32 integral, int skip , int size ,
  							   GrayF32 intensity)
  	{
  		// todo check size with skip
  //		InputSanityCheck.checkSameShape(integral,intensity);
  
  		if( BoofConcurrency.USE_CONCURRENT) {
  			ImplIntegralImageFeatureIntensity_MT.hessianBorder(integral, skip, size, intensity);
  			ImplIntegralImageFeatureIntensity_MT.hessianInner(integral, skip, size, intensity);
  		} else {
  			ImplIntegralImageFeatureIntensity.hessianBorder(integral, skip, size, intensity);
  			ImplIntegralImageFeatureIntensity.hessianInner(integral, skip, size, intensity);
  		}
  	}