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In this paper, we report a simulation based study of large-scale image learning and recognition using neural network consisting of active pixel sensor (APS), LIF neurons, and memristive devices as synapses in crossbar array. Our studies indicate that images can be efficiently encoded into spiking-patterns using the proposed model which can be used to train the memristive devices based on spike-timing-dependent-plasticity...
The Tri-Level parallel programming pattern of MPI+OpenMP+CUDA, which enables better speedup for applications on popular multi-core architecture cluster, is increasingly admired by research institutions and companies. The interaction of particles of molecular dynamics simulation needs extensive calculation, which will also increases with the extension of system. Therefore higher performance for the...
In the Paper, the research range is Poyang lake area which is important position in the middle-lower reaches of Yangtze river and Jiangxi Province. Based on the RS and GIS technology, the paper uses Delphi method to determine the land use types eco-system service unit value, to study the relationship between land use change and eco-system service value. With the collected material, the paper adopts...
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