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High reliability is always pursued by network designers. Multipath routing can provide multiple paths for transmission and failover, and is considered to be effective in the improvement of the network reliability. However, existing multipath routing algorithms focus on how to find as many paths as possible, rather than their computation or communication overhead.
In this paper, the exponential synchronization problem of a class of chaotic delayed neural networks (DNNs) via impulsive control method is studied. Based on the theory of impulsive functional differential equations (FDEs), some new synchronization criteria expressed in the form of linear matrix inequalities (LMIs) are derived. The designed impulsive controller not only can globally exponentially...
Facial expression recognition is necessary for designing any human-machine interfaces. A novel facial expression recognition method with wavelet packet decomposition and neural network ensemble is proposed in this paper. Firstly, the facial expression images are converted by wavelet packet decomposition method into many decomposed regions. Secondly, single BP neural networks are trained by the K-L...
The paper presents a facial expression recognition approach based on wavelet transform features and neural network ensemble classifier for the six basic facial expressions from static images of the CMU-PITTSBURGH AU-Coded Face Expression Image Database. Because the facial expression information are mostly concentrate on facial expression information regions, so the mouth, eye and eyebrow regions are...
Facial action units (AUs) recognition is a challenging problem with many applications and is rapidly becoming an area of intense interest in research field of machine vision. Nonadditive AU combinations in which the appearance of the constituent AUs does change greatly increase the difficulties of AU recognition. Most AUs recognition methods treated each AU combination as a new AU. However, these...
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