...but if you have a shit image (to dark, not enough contrast...) & your
image is a 8 bit image, than you have less possibilities to scale your
image, to increase contrast etc..

Annelie




"Carl F. Huber" schrieb:

> Hello folks,
>
> I guess Ian meant 6 bits, not ! 64  - rule of thumb for human
> vision is that we can't see better than about 5 1/2 bits, so if
> your images are for human visual use only, 6 bits is plenty.
> Also, if you are looking at them on a typical video monitor, the max
> display is 8 bits (even for so called 24 bit images, because those
> are three color planes of 8 bits each).  You only need those
> higher resolutions if you are going to do some digital image
> processing to view  (visually or mathematically) the finer details.
>
> Carl Huber
> Microcosm

___________________________________________
Annelie Hentschke
Max-Planck-Institute f. Marine Microbiology
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Germany
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