Digital watermarking using Bi-dimensional Empirical Mode Decomposition

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Digital watermarking using Bi-dimensional Empirical Mode
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Digital watermarking using Bi-dimensional Empirical Mode Decomposition
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Abstract

We present a novel technique for the digital watermarking of still images based on BEMD (Bidimensional Empirical Mode Decomposition) where an additive watermarking scheme is applied to each BIMF (Bidimensional Intrinsic Mode Function) obtained by the BEMD using the matrix of maxima of each BIMF and the special constraints for building the watermarking scheme in order to ensure the invisibility, the facility of detection of the mark and the robustness against different kinds of attacks. The use of the BEMD in watermarking is motivated by the fact that it has better quality than another transform domain watermarking method in extracting intrinsic components because of its fully data driven property, and this decomposition is also proven as a very powerful tool for multi-scale analysis of non-stationary and non-linear signals and also by the characteristics of the BIMF. Simulation results show the superior performance of the technique and demonstrate its potential for the robust watermarking of photographic imagery.

Applications

Copyright protection.

Source tracking (different recipients get differently watermarked content)

Broadcast monitoring (television news often contains watermarked video from international agencies)

Video authentication.

Advantages

A person may use your image without your consent and deface the image or use the image for a particular purpose that it was not intended for. Watermarking helps you protect your images. You can add a visible watermark to your digital images and photos to protect intellectual property.

 

Software used

Xilinx ISE 14.7

Language

Verilog

 

 

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