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Participatory sensing facilitates smartphone users to contribute data to form a body of knowledge. A significant issue which determines the success of participatory sensing is the incentive for contributors. In this paper, we propose an information-driven incentive scheme with consumer demand awareness for participatory sensing. An information utility metric is introduced to measure the quality of...
We present an optimization-based motion planner for medical steerable needles that explicitly considers motion and sensing uncertainty while guiding the needle to a target in 3D anatomy. Motion planning for needle steering is challenging because the needle is a nonholonomic and underactuated system, the needle's motion may be perturbed during insertion due to unmodeled needle/tissue interactions,...
In environmental monitoring, such as air quality monitoring, accurate and continuous data collection through a wireless sensor network is of significance. In this paper, we describe a deployed and participatory sensing system which monitors the environmental parameters through deployed sensor nodes or crowd-owned sensors, e.g., smartphones with affordable additional sensors. The noisy sensory information...
Paramagnetic microparticles moving through fluids have the potential to be used in many applications, including microassembly, micromanipulation, and highly localized delivery of therapeutic agents inside the human body. Paramagnetic microparticles with diameters of approximately 100 μm can be wirelessly controlled by externally applying magnetic field gradients using electromagnets. In this paper,...
With the popularity of Internet of Things, the next logical step will focus on the application layer on top of network connectivity, especially Web of Things. While most of the existing efforts on Web of Things are focused on device mash up and data collection, in this paper a semantic web of things framework is proposed to leverage Semantic Web as the unified mechanism for monitoring, tasking, presentation,...
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