[net.graphics] halftone algorithms wanted

brian@sdcsvax.UUCP (Brian Kantor) (07/12/85)

We recently built a video digitizer that furnishes us with 6 bits of intensity
(somewhat linearly).  I am interested in displaying its output on a
black & white display that has only two levels of intensity (on or off),
but 16 times the resolution (4x both V and H).

I've made a simple halftone routine that just interpolates scattered points, 
but I'm dissatisfied with the resulting image.  I think something more
sophisticated might look better.

Pointers to algorithms (especially those that adapt to varying minimum
and maximum intensities) would be greatly appreciated.  

	Brian Kantor	UC San Diego Computer Graphics Lab

	decvax\ 	brian@ucsd.arpa
	akgua  >---  sdcsvax  --- brian
	ucbvax/		Kantor@Nosc