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- W3142388339 abstract "Adaptive sampling in a resource-constrained mobile robotic sensor network for monitoring a spatial phenomenon is a fundamental but challenging problem. In applications where a Gaussian Process is employed to model a spatial field and then to predict the field at unobserved locations, the adaptive sampling problem can be formulated as minimizing the negative log determinant of a predicted covariance matrix, which is a non-convex and highly complex function. Consequently, this optimization problem is typically addressed in a grid-based discrete domain, although it is combinatorial NP-hard and only a near-optimal solution can be obtained. To overcome this challenge, we propose using a proximal alternating direction method of multipliers (Px-ADMM) technique to solve the adaptive sampling optimization problem in a continuous domain. Numerical simulations using a real-world dataset demonstrate that the proposed PxADMM-based method outperforms a commonly used grid-based greedy method in the final model accuracy." @default.
- W3142388339 created "2021-04-13" @default.
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- W3142388339 date "2021-05-25" @default.
- W3142388339 modified "2023-09-27" @default.
- W3142388339 title "An Efficient Adaptive Sampling Approach for Mobile Robotic Sensor Networks using Proximal ADMM" @default.
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- W3142388339 doi "https://doi.org/10.23919/acc50511.2021.9482987" @default.
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