Methods and tangible objects employing machine readable data

Details Methods and tangible objects employing machine readable data Methods and tangible objects employing machine readable data

2007-12-04

2007-12-04

Johns, Andrew W. (Department: 2624)

Image analysis

Applications

Manufacturing or product inspection

C340S005800, C438S016000

Reexamination Certificate

active

11456809

ABSTRACT:
The present invention relates generally to steganography. In one implementation we provide a method comprising: receiving optical scan data representing at least a portion of a physical object. The physical object includes information steganographically hidden thereon, and the information includes at least some information indicating an operation of the physical object. The method also includes analyzing the optical scan data to obtain the information, and based at least in part on the information determining whether the physical object is operating as expected. Of course, other implementations are provided as well.

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