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To deal with any possible cases for training anti-spam machine learning models, it is crucial to design a safe way to shrink the size of training sample set via reducing redundancies with minimal information loss for classification as well as make distribution of samples balanced. Presently, there is no such solution to do so. In this paper, we propose a safe approach to address these problems and...
The 5.12 Wenchuan earthquakes has not only caused great loss of lives and properties of people in disastrous area, but also has brought profound psychological trauma to the victims. A post-trauma mobile service (PTMS) is developed and implemented in Sichuan province which combines the psychological counseling knowledge and mobile Internet technology. The PTMS service creates a new mode for long distance...
According to HMM's strong representation capability of speech signal and GMM's better transformation effect, a method for LSF conversion using HMM combined with GMM is proposed. The theoretical derivation and flow diagram of this algorithm are offered, and gauss model is introduced to achieve the prosodic features transformation. The experiment is applied on two segment speech, and the result reveals...
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