>>> It might help if you told us what the sample rates and precision are
> likely to be, and perhaps the subject?
> <<
>
> I don't actually know. These are 256 color images produced by the Navy and
> posted every 12 hours. They show sea surface temperature anomalies -
> variations from an average temp I guess. I want to be able to compare each
> image to the previous image to show areas of temp. change for the given
> period.
If things are pretty stable, the variations may be very small, so you may
need to normalise the data after comparing to make things nice and obvious.
It should help to think of it in monochrome, even if they provide nice
colourful images!
M
--
Marcus Bointon
Synchromedia Limited: Putting you in the picture
marcus /AT/ synchromedia D.O.T co.uk | http://www.synchromedia.co.uk
©2001 Marcus Bointon |
