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This paper explores the correlation between the subjective IADL assessment and the objective EEG/ECG signals measurement. Thirty elderly participants are scored by IADL and classified into three groups, that is, the high score, the medium score and the low score groups, and each participant's collected EEG/ECG signals is then attributed to the groups correspondingly. Six equations of extraction methods,...
The important issue in multi-class classification on support vector machines is the decision rule, which determines whether an input pattern belongs to a predicted class. To enhance the accuracy of multi-class classification, this study proposes a multi-weighted majority voting algorithm of support vector machine (SVM), and applies it to overcome complex facial security application. The proposed algorithm...
While many efforts have been made in the audio signal classification field, the noise interruption problem is seldom concerned so far, especially in many telecommunication applications, where a real-time and noise robust approach is needed. This paper addresses this problem by proposing two novel robust features: average pitch density (APD) and relative tonal power density (RTPD). APD refers to the...
The sequential minimal optimization (SMO) algorithm has been widely used for training the support vector machine (SVM). In this paper, we present the first chip design for sequential minimal optimization. This chip is implemented as an intellectual property (IP) core, suitable to be utilized in an SVM-based recognition system on a chip. The proposed SMO chip has been tested to be fully functional,...
This investigation proposes an SVM-based state transition framework (named as STSVM) to provide better performance of discriminability for human behavior identification. The STSVM consists of several state support vector machines (SSVM) and a state transition probability (STPM). The intra-structure information and inter-structure information of a human activity are analyzed and correlated by the SSVM...
Illegal users are not permitted to operate within a secure environment. To establish the legality of authentication, the authentication system must perceive and refuse a fake biometric over liveness face authentication. In order to achieve reliable liveness face authentication, the intended purpose of the proposed framework should have two major parts: liveness detection and face authentication. The...
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