Here is a cut and paste of the patents currently held by DMRC, taken from Digimarc Home Page:
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Digimarc's Patents
#5,930,377
Method for Image Encoding
#5,862,260
Methods for surveying dissemination of proprietary
empirical data
#5,850,481
Steganographic system
#5,841,978
Network linking method using steganographically
embedded data objects
#5,841,886
Security system for photographic identification
#5,832,119
Methods for controlling systems using control signals
embedded in empirical data
#5,822,436
Photographic products and methods employing
embedded information
#5,809,160
Method for encoding auxiliary data within a source signal
#5,768,426
Graphics processing system employing embedded code
signals
#5,765,152
System and method for managing copyrighted electronic
media
#5,748,783
Method and apparatus for robust information coding
#5,748,763
Image steganography system featuring perceptually
adaptive and globally scalable signal embedding
#5,745,604
Identification/authentication system using robust,
distributed coding
#5,721,788
Method and system for digital image signatures
#5,710,834
Method and apparatus responsive to a code signal
conveyed through a graphic image
#5,636,292
Steganography methods employing embedded calibration
data
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Tom B. |
