# American Institute of Mathematical Sciences

December  2015, 8(6): 1291-1299. doi: 10.3934/dcdss.2015.8.1291

## Characteristic analysis of carrier based on the filtering and a multi-wavelet method for the information hiding

 1 School of Information Engineering, Chang'an University, Xi'an, Shaanxi 710064, China 2 School of Electronic and Control Engineering, Chang'an University, Xi'an, Shaanxi 710064, China 3 School of Information Engineering, Xizang Minzu University, Xianyang, Shaanxi 712082, China

Received  June 2015 Revised  September 2015 Published  December 2015

The characteristic consistency between the original and the stego carriers is an important indicator to evaluate an information hiding algorithm. Different from the traditional carrier pre-processing methods which are based on the operation domains, we propose a characteristics analysis-based preprocessing scheme. We use the Gaussian pyramid filtering and CARDBAL2 multi-wavelet transform to analyze the energy characteristics of the carrier, so the original carrier can be decomposed into several sub-regions with different energy level. And at the same time, the processed carrier shows us the redundancy space structurally through the combination bit plane method, which can provide some invisible hiding positions. Obviously, the energy and structure characteristics are at least related with the robustness and invisibility of the hiding result respectively. So we can improve these performances compared with the traditional methods. At the same time, some optimization theories like the Chebyshev map are used to improve other performances. At last, the experimental shows the achievements of this scheme in the form of data.
Citation: Shuai Ren, Tao Zhang, Fangxia Shi. Characteristic analysis of carrier based on the filtering and a multi-wavelet method for the information hiding. Discrete & Continuous Dynamical Systems - S, 2015, 8 (6) : 1291-1299. doi: 10.3934/dcdss.2015.8.1291
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##### References:
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