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This paper presents a model based on Hierarchical Dirichlet Process (HDP), that automatically captures the evolutionary thematic patterns in texts. Our approach allows HDP to work in an online fashion, such that it can build an up-to-date model for new documents given the old model, without accessing historic data. Since exact calculation is infeasible, we turn to Gibbs sampling to carry out approximate...
The parabigeminal nucleus (PBN) is known to estimate the retinal position error (RPE) of an intended target. Recently it has been discovered that PBN activity continues to encode the extrapolated RPE of a ??virtual?? target, although less vigorously as compared with an actual target. Besides target movement, PBN activity also responds to eye movements generated by the animal itself that change the...
In order to study the rules of network roadpsilas traffic dynamic evolution, it is required to establish a certain kind of traffic status model with topological structure of the road network. Most traditional methods are NOT very suitable to describe the links or the directions of traffic flows. This paper puts forward a new visualized model based on HSI (Hue-Saturation-Intensity) color space, then...
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