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Headlights detection is the key point for the automatic recognition of the turned-on high beams in night-driving vehicles, however, it is uneasy to identify the quite similar vehicle light targets from the video frame images. To solve this problem, an accurate algorithm for headlights region segment is proposed in this paper, which is based on the confidence intervals estimation of the vehicle width...
In this paper, a novel approach of defocus blur image restoration is proposed, which is based on Global Phase Coherence (GPC). As a good sharpness indicator, GPC was testified to be effective for restoration of defocus blur image. Since a deconvolution kernel was designed based on Wiener filter, the additive noise was able to be estimated in several flat regions, which are selected by Normalized Total...
Whether nodes-distribution is uniformity or not in WSNs(wireless sensor networks, WSNs) has a great influence on the using of nodes' energy and networks' coverage probability, connectivity and life time. Therefore, to estimate uniformity of node distribution in WSNs, we propose several estimation indexes, which are: U-measure index, distance-measure index, area-ration index and clustering index. At...
Recent development in daily business life indicates demand for higher reliability of SOA software. After analyzing the traditional software reliability models (Markov chain based), it was found that many software with complicated relationships of components did not satisfy the Markov property. This paper analyzed various complex components' relationships (parallel, loops, backup, fault- tolerance,...
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