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Privacy protection in cloud computing environment has become the key to the rapid development of cloud computing, until now more researches have being placed on preserving methods of privacy, but less on filtering and preserving them efficiently. A two-stages filtering model is designed in this paper to solve the problem. The privacy filtering and processing methods are designed correspondingly. The...
The convex combination of two momentum term based algorithms with different momentum factors is an effective solution to highlight the tradeoff between convergence rate and steady-state error of a blind source separation system. As the smoothing factor is chosen in the range from 0 to 1, however, the performance of this convex combination is restricted. In this paper, a novel variable smoothing factor...
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