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EXTRACTING DIGITAL WATERMARKS USING LOGARITHMIC SAMPLING AND SYMMETRICAL ATTRIBUTES

10/202,367 | U.S. Patent Application

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Location ELECTRONIC
Filed July 22, 2002
Examiner MATTHEW SMITHERS
Class 713
Art Group 2134
Patent No. 6,704,869
Case Type Utility - 713/176000
Status Patented Case
Parent 09/566,533 Patented
Parent 09/452,023 Patented
Parent 08/746,613 Patented
Parent 09/186,962 Patented
Parent 08/649,419 Patented
Child 10/797,617 Patented
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Last Updated: 4 years, 9 months ago
Date # Transaction