Feature-based watermarks and watermark detection strategies

Details Feature-based watermarks and watermark detection strategies Feature-based watermarks and watermark detection strategies

2006-03-28

2006-03-28

Miriam, Daniel (Department: 2625)

Image analysis

Applications

C382S236000, C375S241000

Reexamination Certificate

active

07020303

ABSTRACT:
Processes and apparatus for improving the state of the art for watermarking and data protection. The disclosure includes feature-based watermarks, auto- and cross-correlation techniques for determining scaling and rotation, transitions in time based watermarking, autocorrelation watermarks for images, and dynamic content scrambling of static files.

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