Search Results for author: Arpan Losalka

Found 3 papers, 1 papers with code

Benefits of Monotonicity in Safe Exploration with Gaussian Processes

1 code implementation3 Nov 2022 Arpan Losalka, Jonathan Scarlett

We consider the problem of sequentially maximising an unknown function over a set of actions while ensuring that every sampled point has a function value below a given safety threshold.

Gaussian Processes Safe Exploration

Stochastic Linear Bandits Robust to Adversarial Attacks

no code implementations7 Jul 2020 Ilija Bogunovic, Arpan Losalka, Andreas Krause, Jonathan Scarlett

We consider a stochastic linear bandit problem in which the rewards are not only subject to random noise, but also adversarial attacks subject to a suitable budget $C$ (i. e., an upper bound on the sum of corruption magnitudes across the time horizon).

Resisting Adversarial Attacks using Gaussian Mixture Variational Autoencoders

no code implementations31 May 2018 Partha Ghosh, Arpan Losalka, Michael J. Black

Our model has the form of a variational autoencoder, with a Gaussian mixture prior on the latent vector.

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