Image analysis – Applications
Reexamination Certificate
2008-03-18
2008-03-18
Bella, Matthew C. (Department: 2624)
Image analysis
Applications
Reexamination Certificate
active
07346184
ABSTRACT:
A document authentication station, for use with passports or the like, includes a 2D image sensor (e.g., CCD- or CMOS-based video camera), and a computer device. The image sensor produces produce image data corresponding to a presented document. From this image data, the computer extracts two or more identification data. One is a digital watermark. The other can be a bar code, data glyphs, OCR data, etc. The processor then proceeds to check that the two identification data correspond in an expected fashion. If not, the document is flagged as suspect or fake. Reliability of detection may be enhanced by processing plural frames of data from the image sensor before issuing a result.
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Sony Corpo
Bradley Brett Alan
Carr J. Scott
Rhoads Geoffrey B.
Bella Matthew C.
Digimarc Corporation
Lu Tom Y.
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