Cryptanalysis of optimal differential energy watermarking (DEW) and a modified robust scheme.
Tanmoy Kanti DasSubhamoy MaitraJoydip MitraPublished in: IEEE Trans. Signal Process. (2005)
Keyphrases
- watermarking method
- geometric attacks
- image watermarking
- digital image watermarking scheme
- watermarking technique
- minimum energy
- digital image watermarking
- digital images
- robust watermarking scheme
- energy consumption
- worst case
- copyright protection
- image watermarking scheme
- multiresolution
- video watermarking
- dynamic programming
- image authentication
- watermark embedding
- video sequences
- watermarking scheme
- estimation error
- computationally efficient