An Example Embedding to Show JPEG-Fragility
Three JPEG images below look like the same. But actually, they are all different.
(c) is different from (b) in the "brightness of the earring." (c) is slightly darker. Try to extract something from each of them by using Information Extracting program of Qtech Hide & View.
|(a) Before Embedding||(b) After Embedding||(c) A slightly modified (b)|
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(Updated on Mar. 16, 2014 by Eiji Kawaguchi)