Emulsion products and imagery employing steganography

Details Emulsion products and imagery employing steganography Emulsion products and imagery employing steganography

2005-11-22

2005-11-22

Cangialosi, Salvatore (Department: 3621)

Cryptography

Miscellaneous

C380S054000

Reexamination Certificate

active

06968057

ABSTRACT:
Images are steganographically marked with codes that can be used, e.g., by reference to a remote registry, to identify the image proprietors. Some embodiments pre-mark blank emulsion film or paper products with such codes, so that images formed thereon can be traced back to their proprietors. A variety of other embodiments and technologies are also disclosed.

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