Comment on Visual CryptographyparentComments−kragen16yYou can avoid the waste of space implied by the circles by using ½×1 rectangles instead: http://lists.canonical.org/pipermail/kragen-hacks/2007-March...The interesting thing about the original technique (to me) is that you can do the decryption without a computer. If you want to do this in color, I think you need to use the LCD approach of having red, green, and blue subpixels next to each other.
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You can avoid the waste of space implied by the circles by using ½×1 rectangles instead: http://lists.canonical.org/pipermail/kragen-hacks/2007-March...
The interesting thing about the original technique (to me) is that you can do the decryption without a computer. If you want to do this in color, I think you need to use the LCD approach of having red, green, and blue subpixels next to each other.