Identification document including embedded data
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United States of America Patent
Stats
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Dec 26, 2006
Grant Date -
Mar 31, 2005
app pub date -
Apr 22, 2004
filing date -
Feb 12, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides methods and systems to authenticate identification documents. In a first implementation, an identification document includes a photograph and a digital watermark. The digital watermark carries first facial recognition data corresponding to a face depicted in the photograph. Optical scan data representing the photograph is received, and a second facial recognition data is derived. The first facial recognition data is recovered from the digital watermark, and is compared with the second facial recognition data.
First Claim
Family
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