Search Results for author: Alicja Polanska

Found 2 papers, 2 papers with code

Differentiable and accelerated wavelet transforms on the sphere and ball

2 code implementations2 Feb 2024 Matthew A. Price, Alicja Polanska, Jessica Whitney, Jason D. McEwen

We observe up to a $300$-fold and $21800$-fold acceleration for signals on the sphere and ball, respectively, compared to existing software, whilst maintaining 64-bit machine precision.

Learned harmonic mean estimation of the marginal likelihood with normalizing flows

1 code implementation30 Jun 2023 Alicja Polanska, Matthew A. Price, Alessio Spurio Mancini, Jason D. McEwen

The learned harmonic mean estimator solves the exploding variance problem of the original harmonic mean estimation of the marginal likelihood.

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