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The problem of hot bursty topic detection in user generated texts deserves great attentions with the proliferation of Internet technologies. However, traditional document clustering and probabilistic topic models that were developed for formal news articles are less effective for informal user-generated corpora. In this paper, we provide a graph-based perspective that well reflects the latent pattern...
Atmospheric turbulence affects the imaging system at a long distance, which causes time-varying blur. Although the blur kernel is unknown, we propose an algorithm to estimate Optical Transfer Function (OTF) for long-exposure atmospheric turbulence blurred images. In this paper we present a novel image prior-isolate edges prior to predict a sharp ‘vision’ of degraded image edges, and utilize the two...
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