A New Approach in Reversible Watermarking

Authors:
Ahmad Mahmoudi Aznaveh;Azadeh Mansouri;Farah Torkamani-Azar
Affiliations:
Department of Electrical and Computer Engineering, Shahid Beheshti University, Tehran, Iran;Department of Electrical and Computer Engineering, Shahid Beheshti University, Tehran, Iran;Department of Electrical and Computer Engineering, Shahid Beheshti University, Tehran, Iran
Venue:
IWDW '09 Proceedings of the 8th International Workshop on Digital Watermarking
Year:
2009

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Abstract

A great number of reversible watermarking methods have been put forward in the last few years. After analysis of some recent methods, we offer a new simple transform to increase the capacity applying just one iteration. Another advantage of our method is its simplicity. Moreover, it does not need to embed a compressed location map for recovering the original host. Therefore, the computational cost of our method is reduced in comparison to similar methods. The flexibility of the proposed method, on account of selecting appropriate contribution factor, is another advantage of our algorithm.