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The cardiovascular (CV) system typically exhibits complex dynamical behavior, which is reflected not only within a single data channel, but more importantly across data channels. Multivariate sample entropy (MSE) has been proven as a useful tool to analyze both the within-and cross-channel coupled dynamics, providing an insight into the underlying system complexity and coupling relationship. In this...
MP4 is a popular kind of multimedia container format. Most of multimedia players can play MP4 files. Since multimedia player is an embedded system with limited CPU and memory, it is very important to improve the efficiency of parsing MP4 metadata. In this paper we provide an optimized method for parsing metadata. The experimental result shows that the optimized method can obviously lower down the...
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