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Importing Graphics into a table


I'm trying to convert a black and white graphic to a table of 0s or 1s
depending on the pixel color.  I have several images in bitmap format
that I would like to analyze, but I can't figure out how to get
Mathematica to convert the bitmaps into a table.  For example, a
100x200 b and w image would yield a 100x200 table of 0s and 1s.  I am
also interested in learning how to process grayscale images.

Thanks,
--
Christopher Gorski
cgorski at adelphia.net
http://www.contrib.andrew.cmu.edu/~cgorski




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