| US 7,481,374 B2 | ||
| System and method for placement and retrieval of embedded information within a document | ||
| John O. Walker, Rochester, N.Y. (US); and James W. Reid, Fairport, N.Y. (US) | ||
| Assigned to Xerox Corporation, Norwalk, Conn. (US) | ||
| Filed on Jun. 08, 2005, as Appl. No. 11/148,130. | ||
| Prior Publication US 2006/0278724 A1, Dec. 14, 2006 | ||
| Int. Cl. G06K 19/06 (2006.01) | ||
| U.S. Cl. 235—494 [235/487] | 20 Claims |
| 1. A system for placing at least one embedded data block on a document, the system comprising:
a layout analyzer for determining at least one whitespace area within a document, each of the at least one whitespace area
being suitable to place a respective embedded data block image,
the layout analyzer further determining an ordered plurality of locations within the at least one whitespace area to receive
an ordered plurality of embedded data block images;
an embedded data block creator for encoding information into the ordered plurality of embedded data block images, the embedded
data block creator further encoding, into the ordered plurality of embedded data block images, a specification of the ordered
plurality of locations; and
a writer for writing the ordered plurality of embedded data block images into the at least one whitespace area in accordance
with the ordered plurality of locations.
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