I want to convert an image to binary image and then extract hidden information from that image.
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specially I want to extract hidden information from a bank note to detect counterfeit bank note. How can I do this ? please help.
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Orion
on 27 Mar 2013
Edited: Orion
on 27 Mar 2013
Well, converting an image to binary is easy enough. You can use im2bw http://www.mathworks.com/help/images/ref/im2bw.html
As for extracting hidden information, you're really going to have to give us more to work with. What kind of hidden information are you looking for?
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Matt Kindig
on 28 Mar 2013
Is there a reason to believe that this information will be detectable from a (presumably) non-backlit image of such a bank note?
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