Scalable variational Gaussian processes for crowdsourcing: Glitch detection in LIGO

P Morales-Alvarez, P Ruiz, S Coughlin… - … on Pattern Analysis …, 2020 - ieeexplore.ieee.org
In the last years, crowdsourcing is transforming the way classification training sets are
obtained. Instead of relying on a single expert annotator, crowdsourcing shares the labelling …

A probabilistic approach to nonparametric local volatility

M Tegnér, S Roberts - arXiv preprint arXiv:1901.06021, 2019 - arxiv.org
The local volatility model is a widely used for pricing and hedging financial derivatives.
While its main appeal is its capability of reproducing any given surface of observed option …

Probabilistic machine learning for local volatility

S Roberts, M Tegnér - Journal of Computational Finance, 2021 - papers.ssrn.com
The local volatility model is widely used for pricing and hedging financial derivatives. While
its main appeal is its capability of reproducing any given surface of observed option prices–it …

Tracking the Dimensions of Latent Spaces of Gaussian Process Latent Variable Models

Y Liu, PM Djurić - … 2022-2022 IEEE International Conference on …, 2022 - ieeexplore.ieee.org
Determining the number of latent variables, or the dimensions of latent states, is a ubiquitous
problem in dimension reduction. In this paper, we introduce a novel sequential method that …