Methods for implementing color change frequency as image...

Details Methods for implementing color change frequency as image... Methods for implementing color change frequency as image...

2011-08-09

2011-08-09

Tran, Ellen (Department: 2433)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

Reexamination Certificate

active

07996681

ABSTRACT:
A method for performing electronic signature verification for an entity is provided. The method includes creating a signature card for the entity by analyzing color change frequency of an initial electronic signature image. The method also includes comparing a second electronic signature image for the entity and the signature card to perform electronic signature verification.

REFERENCES:
patent: 5848189 (1998-12-01), Pearson et al.
patent: 2006/0171559 (2006-08-01), Rhoads
Min Wu et al., “Data Hiding in Binary Image for Authentication and Annotation” IEEE Transactions on Multimedia, vol. 6, No. 4, Aug. 2004, p. 528-538.
K. Hirotsugu, “An Image Digital Signature System with ZKIP for the Graph Isomorphism” Proc. IEEE International Conf. on Image Processing, ICIP-96, vol. 3, p. 247-250.

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