After I finished the computational photography on the coursera, I finally know some basic principles about the digital pictures. The peer-viewed assignment which focused on the epsilon photography is very interesting. In fact, I know nothing about this term before but when I take some photos, I found it awesome to perform something interesting. Recently, Google plus showed a new feature named auto awesome, which is a good application of epsilon photography; but I want to talk about using similar photos to hide some information.
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