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US 2010/0142005 A1Published application
Visual cryptography and voting technology
AssigneeJames A. Roskind
InventorsJames A. Roskind, Aaron T. Emigh
Life of this patent
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Abstract
In some embodiments, techniques for voting and visual cryptography may include various enhancements.
Claims20
A method for privacy, comprising:
- providing a pixel value;
- determining whether the pixel value is associated with coloration;
- selecting a first glyph;
- wherein a first aggregate opaque area associated with the first glyph is larger than a second aggregate uncolored area associated with the first glyph;
- and
- selecting a second glyph;
- wherein the first glyph is opaque in a first region corresponding to a second region that is uncolored in the second glyph, if it is determined that the pixel value is associated with coloration.
4 more elements
A method for privacy, comprising:
- providing a first printed layer and a second printed layer;
- wherein the first printed layer and the second printer layer are associated with visual encryption;
- superimposing the second printed layer on the first printed layer;
- and
- blurring a layer.
2 more elements
A method for privacy, comprising:
- providing a pixel value;
- selecting a first glyph;
- and
- selecting a second glyph;
- wherein the second glyph is separated from the first glyph in a predetermined sequence of glyphs by a factor, wherein the factor is associated with the pixel value.
2 more elements
Dependencies are inferred from the claim text.