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Aiming the mental tasks recognition tasks in brain computer interface (BCI), this paper proposes an Electroencephalography (EEG) feature extraction method which makes use of the discriminative common spatial patterns (CSP). Apart from CSP analysis's traditional application in time domain, it is extended to consider frequency domain information of EEG signal. After an artifact removal through the independent...
Although a number of features derived from linear speech production theory have been investigated as speech emotion indicators, the recognition accuracy still stays unsatisfactory for realistic applications. In this paper, Teager Mel, a novel speech emotion feature is proposed based on Teager Energy Operator (TEO) and the Mel perception characteristics. Due to such advantages as nonlinear and simple,...
The goal of steganography is to hide information into media without disclosing the fact of existing communication. Currently, stganography such as least significant bit (LSB), quantization index modulation (QIM) and spread spectrum (SS), has become increasingly widespread. Steganalysis as a counterpart of stganography is to detect the presence of it. In this paper, we present a new universal steganalysis...
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