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Moire Visual Cryptography

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Uploaded by on Jul 29, 2006

Visual cryptography, which can decode with a digital camera.
Apple Cinema Display + Nikon COOLPIX 4100

Rui Shogenji @ Shizuoka University

Category:

Howto & Style

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Standard YouTube License

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Uploader Comments (ruiruijp)

  • Shouldn't this be called Steganography.

  • I think it is a kind of Steganography.

    But it looks random pattern, so it will wondered that messages are concealed.

  • I liked the effect a lot. Could you explain how you made it?

  • Thanks! It is difficult to explain in the word. So wait a moment.

    The image is ...

    http://ruirui.jp/mt/images/mvc­yt.png

    If you use the Windows Internet Explorer, then you can detect a hidden image by selecting the image(Ctrl+A).

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All Comments (7)

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  • Thats briljant!

    but the link to the image doesnt work any more.

    How does is work? I've been studing moire behavior for sometime now, and this would love to use this effect for an art (school) project

  • @CrackedCipher No. Steganography conceals the *existence* of the secret (i.e. try to hide something in plain view). Encryption conceals the secret, but does not conceal the existence of the secret (i.e. an eavesdropper can see the scrambled message and knows it's there, but cannot determine the secret it contains without having the key).

  • Steganography is a form of Cryptology.

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