"Cheung Koon Tung, Kent" wrote:
> 1. Dithering when the publication is produced
> 2. Anti-aliasing effect when the publication is produced
> 3. The "texture" of the publication paper
> I want to do automatic or semi-automatic pre-processing with GIMP so
> that the above three effects can be removed before my image analysis
> algorithm is applied.
You might want to try the non-linear filter (nlfilt). It is
designed to (on some settings) smooth out small variations
in colour, while not blurring edges between different colours.
David Hodson -- [EMAIL PROTECTED] -- this night wounds time