NODE 383502e5Re: standard for stegonography?
plaz@netcom.com (Plaz)Tue, 1 Mar 94 11:41:08 PST
Jef Poskanzer <jef@ee.lbl.gov> writes:
>>Well, try using Stego on an 8 bit PICT, and see for yourself!
>>It looks like a >slight< random noise filter was applied to
>>the image - plausibly the sort of trouble one would have with
>>a slightly imperfect scanner.
>
>Maybe colormaps on the Mac are always sorted? That would minimize
>the visible effect of +-1 changes in index value.
Colormaps on the Mac are not "always" anything, since creating custom
pallettes is trivial, but yes, they usually are.
For best stegonagraphy in 8-bit, I would recomend using the system
greyscale pallette. (Greyscale images *almost always* sorted on the mac.)
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