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With the rapid growth of mobile communication technologies, the schemes of the mobile networks become more and more complex. Self-optimizing method can make the wireless network resolve the problems automatically, and attracts more attention. The traffic in wireless network has the characteristics of spatial and temporal distribution. The load of the hotspot areas is very heavy, while the neighbors...
This paper presents a new approach to generate a high-resolution (HR) remote sensing image from a single low-resolution (LR) input while denoising simultaneously, based on sparse signal representation. Recent research on patch-based sparse representation suggests that the high resolution patch has the same sparse representation as the corresponding low resolution patch. Inspired by this observation,...
In this paper, we present a simple but efficient iterative method for increasing scene visibility and recovering haze-free scene contrast from a single hazy image. Using the dark channel prior with the haze imaging model, we directly estimate the coarse transmission map at first, then an iterative refinement module based on bilateral filter is applied to refine the transmission map. The main advantage...
As one of the key technologies in ad hoc networks, clock synchronization is fundamental to slot assignment, multiple access strategy, data aggregation and so on. In order to decrease the complexity and iteration times of popular distributed clock synchronization algorithms for ad hoc networks, a new method using 2-hop neighbors' time information is proposed. The frame starting time of each node is...
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