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To overcome the degraded images taken in hazy weather, an adaptive restoration method based on improved contrast enhanced restoration was proposed. Firstly, by quadtree subdivision searching method, the sky area of multi-channel polarization image are extracted automatically, and the atmospheric light and degree of polarization are calculated; Second, scene depth information of image are calculated...
Infrared polarization imaging detection can be used to obtain not only the polarization state but also the radiation of target. With this method, the target that traditional photometry cannot detect can be settled. The degree and angle of polarization that used in polarization detection reflect different physical properties, and it is seriously redundancy along with intensity of images. A target detection...
In this paper, we propose an opportunistic cooperative transmission (OCT) scheme combined with bi-directional relaying and physical layer network coding (PNC) in wireless sensor networks (WSNs).This scheme can be switched between PNC based distributed space-time block coding scheme and cooperative network-assisted diversity multiple access scheme to obtain the minimized frame-error-ratio (FER) performance...
The major objective of this study is to explore the effects of coupons on consumers' brand categorization and choice processes using fast-food restaurants in China. Following a description of the Chinese fast-food industry, we build our conceptual framework by combining the couponing literature with the brand categorization and choice literatures. Using the data we collected in Beijing, we find both...
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