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The lack of interactivity seems to be one of the most common problem in distance learning. In this context, this study proposes an e-learning platform based on IMS infrastructure that is able to improve the interaction among students and instructors. The interactivity offered by the proposed scheme was considered 65% equal or better than the live class, demonstrating how efficient this kind of technology...
An automatic and reliable strategy to estimate crowd counting in events or protests is proposed in this paper. Based on 802.11 MAC layer frames, this methodology can be easily deployed using low cost Wi-Fi devices in a stand-alone installation or associated to gold standard crowd counting methods already in use for this purpose. In an experimental test set, the proposed method reached 83.3% of effectiveness...
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