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Recently, it has been shown that the electromagnetic interference generated by computer platforms like laptops, smart phones, tablets, or PDAs fits a double-sided K-distribution statistic. This kind of impulsive noise can severely degrade the performance of linear receivers intended for operation under additive gaussian noise. Therefore, we propose the use of a quasi-optimal detection scheme with...
In this paper we present the implementation of a FPGA based high data rate BPSK receiver specifically designed to withstand the high dynamics of airborne vehicles (i.e. aircraft, sounding rockets, satellites, etc.). The carrier recovery is implemented through a Costas loop, and a Gardner detector is used for the timing recovery. This architecture was chosen because it provides almost independent carrier...
Accurately counting people waiting at bus stops is essential for automated bus fleet scheduling and dispatch. Estimating the passenger demand in regular open bus stops is a nontrivial problem because of the varying conditions, such as illumination, crowdedness, people poses, to name a few. This paper presents a simple, but very effective approach to estimate the passenger count using people density...
This paper presents two approaches for pedestrian detection and counting at bus stops, whose purpose is to provide accurate demand estimates for an automated fleet scheduling and dispatching system. The approaches are general and can also be applied to people counting in public buildings or pedestrian detection from robotic platforms with minor modifications to account for background motion. The first...
Estimating facial pose along a video sequence is an important problem in many applications such as perceptual user interfaces, people monitoring, and aid for the disabled. Currently, most existing methods to compute facial pose are designed to obtain high accuracy under controlled conditions. However, efficiency and robustness are preferable in most practical situations. In this paper, we deal with...
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