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Task-based functional magnetic resonance imaging (tfMRI) is widely used to localize brain regions or networks in response to various cognitive tasks. However, given two groups of tfMRI data acquired under distinct task paradigms, it is not clear whether there exist intrinsic inter-group differences in signal composition patterns, and if so, whether these differences could be used for data discrimination...
With the rising growth trend of data size in the Internet era, storage, analysis, and processing of big data arebecomingamong the strongtopics in academia and industry. Typical big data processing platforms adopt the MapReduce programming model to perform application processing. For example, the deployment and calculation method of Hadoop are as follows: Hadoop first collects data and stores them...
Multiple recent neuroimaging studies have demonstrated that the human brain's function undergoes remarkable temporal dynamics. However, quantitative characterization and modeling of such functional dynamics have been rarely explored. To fill this gap, we presents a novel Bayesian connectivity change point model (BCCPM), to analyze the joint probabilities among the nodes of brain networks between different...
To select the optimal blade number of Francis turbine in small hydropower station, four typical conditions are chosen to computed for full flow of turbine based on Computational Fluid Dynamics (CFD). The 3-D flow field and stresses of a Francis turbine and the fluid-structure interaction are studied by model analysis. The results demonstrate that when the blades of the runner increases to 15 or decreases...
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