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- W1981036183 abstract "We study a problem in which a single sensor is scheduled to observe sites periodically, motivated by applications in which the goal is to maintain up-to-date readings for all the observed sites. In the existing literature, it is typically assumed that the time for a sensor switching from one site to another is negligible. This may not be the case in applications such as camera surveillance of a border, however, in which the camera takes time to pan and tilt to refocus itself to a new geographical location. We formulate a problem with refocusing delay constraints. We prove the problem to be NP-hard and then study a special case in which refocusing is proportional to some Euclidian metric. We give a lower bound on the optimal cost for the scheduling problem. Finally, we provide and experimentally evaluate several heuristic algorithms, some of them based on this computed lower bound." @default.
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- W1981036183 date "2010-11-01" @default.
- W1981036183 modified "2023-10-01" @default.
- W1981036183 title "You can't get there from here: Sensor scheduling with refocusing delays" @default.
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- W1981036183 doi "https://doi.org/10.1109/mass.2010.5663929" @default.
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