Digital Watermarking using Karhunen-Loeve transform
Daniela Stănescu, Mircea Stratulat, Bogdan Ciubotaru, Dan Chiciudean, Răzvan Cioargă, Daniel Borca · 2007
Digital watermarking is a very common technique used against illicit copying and distribution of copyright material. This paper presents improved methods for information hiding. We propose a new approach, based on the decorrelation property of the Karhunen-Loeve transform (KLT).