Corrosion Monitoring in Marine Environment Using Wavelet Description

Abstract

The paper proposes a method, the so-called wavelet description, for corrosion monitoring in marine environment which is based on taking the energy difference contained in energy from coefficients derived by applying complex wavelet transforms. Then the rms value of coefficients has been accounted that form an illumination-independent energy representation of corroded and corrosion-free parts. The robustness on illumination variations has been achieved because by applying the proposed algorithm the energy representation enables reduction of the noise, since getting the difference of two subsequent images leaves only greater values of differences.