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The network log file database is important to security management. But, with the development of Internet, it has become too bulkiness to be used directly. In this paper, the wavelet decomposition is adopted to mining the useful rules from the network security data. This is different from traditional data mining methods of association rules. Multi-resolution analysis of wavelet transform method is...
A novel digital audio watermarking scheme based on statistical-mean manipulation(SMM) is presented in order to content authentication. The watermarks are embedded at the SMM of the high frequency components of a digital audio signal by making full use of the Multi-resolution DWT. First, the digital audio signal is decomposed by using wavelet. Second, the SMM of the high frequency components of the...
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