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[2, 2017] 

Journal of Electrical Engineering, Vol 68, 2 (2017) 158-162 DOI: 10.1515/jee-2017-0023

Microelectrode array systems for their use in single nanowire-based gas sensor platforms

Ondřej Chmela – Jakub Sadílek – Stella Vallejos – Jaromír Hubálek

   Novel image steganalytic method used to detection of secret message in static images is introduced in this paper. This method is based on statistical steganalysis (SS), where statistical vector is composed by 285 statistical features (parameters) extracted from DCT (Discrete Cosine Transformation) domain and 46 features extracted mainly from DWT (Discrete Wavelet Transformation) domain. Classification process was realized by Ensemble classifier that was helpful in reduction of computational and time complexity. Proposed steganalytic method was verified by detection of popular image steganographic methods. Novel method was also compared with existing steganalytic methods by overall detection accuracy of a secret message.

Keywords: nanowires, microelectrode arrays, dielectrophoresis, gas sensors


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