Title :
Comparison of different wavelet transforms for fusion based watermarking applications
Author :
Kurugollu, Fatih ; Bouridane, A. ; Roula, MA ; Boussakta, S.
Author_Institution :
Dept. of Comput. Sci., Queen´´s Univ., Belfast, UK
Abstract :
In this paper, we have investigated and assessed different wavelet transforms for use in fusion based watermarking applications. Scalar (discrete) wavelet, multiwavelet, complex wavelet and wavelet packet transforms have been studied to answer the following question: Which transform provides a better watermarking robustness given a certain imperceptibility factor? Fusion based watermarking has been chosen since it provides a visual authentication of the watermark. Perceptual embedding has been omitted to provide a fair comparison since different transforms have yielded different locations for the embedding process. It has been found that the CWT outperforms the other transforms while the WPT gives the worst results.
Keywords :
discrete wavelet transforms; image coding; sensor fusion; transform coding; watermarking; wavelet transforms; complex wavelet; fusion based watermarking; imperceptibility factor; multimedia systems; multiwavelet; scalar wavelet; visual authentication; watermarking robustness; wavelet packet; wavelet transforms; Application software; Continuous wavelet transforms; Discrete transforms; Discrete wavelet transforms; Multimedia systems; Robustness; Videos; Watermarking; Wavelet packets; Wavelet transforms;
Conference_Titel :
Electronics, Circuits and Systems, 2003. ICECS 2003. Proceedings of the 2003 10th IEEE International Conference on
Print_ISBN :
0-7803-8163-7
DOI :
10.1109/ICECS.2003.1301725
