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Method for watermarking an electronically depicted image and detecting unauthorized image alterations
Summary
Shih- Fu Chang, Ph.D.
Technology Benefits
Method is secure and not vulnerable to attackSmall error rate for image generation Robust system flexible to accommodate modest degree of image manipulation while maintaining low tolerance for large image alterationsPatent information:Patent Pending (WO/2003/003285)Tech Ventures Reference: IR M02-013
Technology Application
System for image watermarkingMethod for watermark forgery identificationElectronic signature generation
Detailed Technology Description
Shih- Fu Chang, Ph.D.
Country/Region
USA
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