Quick improvement to the LSB method: Use JPEG and embed the data in the LSB of the DCT coefficients (still detectable, but not as trivially)
Cool demo though - I'd add a disclaimer though. It's easy to think that it's obvious that people shouldn't use this to store their password in, say, their Facebook profile photo, but..
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I wrote an essay/slides a while back which may be of interest to people wanting to know a bit more about basic steganographic image creation and detection: http://www.cl.cam.ac.uk/teaching/0910/R08/work/slides-at443-... http://www.cl.cam.ac.uk/teaching/0910/R08/work/essay-at443-s...
Quick improvement to the LSB method: Use JPEG and embed the data in the LSB of the DCT coefficients (still detectable, but not as trivially)
Cool demo though - I'd add a disclaimer though. It's easy to think that it's obvious that people shouldn't use this to store their password in, say, their Facebook profile photo, but..