Forensic verification from halftone images

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9361514
APP PUB NO 20140348395A1
SERIAL NO

14347351

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Abstract

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A forensic verification system (900) extracts a print signature via a print signature extractor (910) from a captured image of a printed halftone. The system (900) utilizes a comparator (920) to compare the print signature to a reference signature stored in a registry to determine differences between the print signature and the reference signature. The system (900) utilizes a forensic analyzer (930) to perform a forensic analysis on the signatures based on the comparison to authenticate the printed halftone.

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Patent Owner(s)

Patent OwnerAddress
HEWLETT-PACKARD DEVELOPMENT COMPANY L P10300 ENERGY DRIVE SPRING TX 77389

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gaubatz, Matthew D Seattle, US 62 298
Pollard, Stephen Dursley, GB 46 242
Simske, Steven J Fort Collins, US 291 4208
Ulichney, Robert Alan Stow, US 25 357

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