Digital BW, The Print

> > S-spline appeared to sharpen the grain too much.
> Photozoom Pro applies USM to an s spline resampled image by default. 
> This can be turned off, and should be. The effect of the 
> default USM settings on film grain are rather extreme. That 
> said, I've not processed more than a few film images with the 
> program; it is possible that s spline without USM is just not 
> a good match with certain grain characteristics.

I switched off USM in my tests, but grain was still more visible with
s-spline than with other methods. I think it's a result of the way it tries
to detect edges and keep them sharp during upsampling.
 
--
Daniel Staver
http://daniel.staver.no