Embedded information is a hidden and inseparable digital signature or fingerprint. Degree of alteration is measurable. Locations of alterations are detectable. Secret communication without encryption. Existence of secret messages is hidden.
Embedded information is inseparable annotations or labels of multimedia documents.
Script annotations make multimedia documents active. Annotations or labels describe characteristics of documents. The testing results have shown that our technology is resistant against a wide range of manipulations. In general, the embedded information is tightly bounded with the quality of the image. To remove the embedded information, you have to significantly degrade the quality of the image and make it less useful at the same.