Duong Hong Nguyen

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We present and demonstrate an innovative and extremely low cost aerial monitoring and surveillance platform based on integrating open source and small unmanned aerial vehicles (UAV) with a highly capable compact, lightweight smart phone. We investigated sensors available within smart phones such as the camera, GPS, gyroscope and accelerometer, to integrate(More)
Recently, there has been an increasing interest in search in time-dependent road networks where the travel time on roads depends on the time. In such a time-dependent network, the result of k Nearest Neighbor (kNN) queries, which search the k nearest neighbors (kNNs) from the specified location, depends on the query-issuing time. Therefore, existing(More)
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