D. Stanescu, M. Stratulat, B. Ciubotaru, D. Chiciudean, R. Cioarga, D. Borca
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Digital Watermarking using Karhunen-Loeve transform
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).