Search Results for author: David Sharp

Found 4 papers, 1 papers with code

Implicit Gaussian process representation of vector fields over arbitrary latent manifolds

1 code implementation28 Sep 2023 Robert L. Peach, Matteo Vinao-Carl, Nir Grossman, Michael David, Emma Mallas, David Sharp, Paresh A. Malhotra, Pierre Vandergheynst, Adam Gosztolai

Gaussian processes (GPs) are popular nonparametric statistical models for learning unknown functions and quantifying the spatiotemporal uncertainty in data.

EEG Gaussian Processes

Hierarchical Gaussian Processes with Wasserstein-2 Kernels

no code implementations28 Oct 2020 Sebastian Popescu, David Sharp, James Cole, Ben Glocker

Stacking Gaussian Processes severely diminishes the model's ability to detect outliers, which when combined with non-zero mean functions, further extrapolates low non-parametric variance to low training data density regions.

Gaussian Processes Out-of-Distribution Detection

Estimating Time-varying Brain Connectivity Networks from Functional MRI Time Series

no code implementations14 Oct 2013 Ricardo Pio Monti, Peter Hellyer, David Sharp, Robert Leech, Christoforos Anagnostopoulos, Giovanni Montana

We apply the SINGLE algorithm to functional MRI data from 24 healthy patients performing a choice-response task to demonstrate the dynamic changes in network structure that accompany a simple but attentionally demanding cognitive task.

Time Series Time Series Analysis

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