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In this paper, we consider the problem of distributed target detection with subspace signal mismatch. Precisely, the echoes reflected by the distributed target all come from the same direction, and the signal steering vector is assumed to lie in a preassigned subspace. However, the actual signal steering vector does not completely belong to the presumed subspace, resulting in subspace signal mismatch...
Real-time human detection in crowded and dynamic environments poses a significant challenge, due to complex background, occlusion and different human poses. In this paper, we propose a two-staged approach using color and depth data taken by an RGB-D camera. The first stage is to find plausible head-top locations quickly in depth image. The second stage is to extract effective discrimination features...
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