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- W2116999588 abstract "A study of generalization error in signal detection by multiple spatially-distributed and -correlated sensors is provided when the detection rule is learned from a finite number of training samples via the classical linear discriminant analysis formulation. Spatial correlation among sensors is modeled by a Gauss-Markov random field defined on a nearest neighbor graph according to inter-sensor spatial distance, where sensors are placed randomly on a growing bounded region of the plane. A fairly simple approximate expression for generalization error is derived involving few parameters. It is shown that generalization error is minimized not when there are an infinite number of sensors, but a number of sensors equal to half the number of samples in the training set. The minimum generalization error is related to a single parameter of the sensor spatial location distribution, derived based on weak laws of large numbers in geometric probability. The finite number of training samples acts like a budgeting variable, similar to a total communication power constraint." @default.
- W2116999588 created "2016-06-24" @default.
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- W2116999588 date "2011-05-01" @default.
- W2116999588 modified "2023-09-24" @default.
- W2116999588 title "Spatially-correlated sensor discriminant analysis" @default.
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- W2116999588 doi "https://doi.org/10.1109/icassp.2011.5947149" @default.
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