1 code implementation • 3 Apr 2024 • Mike Walmsley, Micah Bowles, Anna M. M. Scaife, Jason Shingirai Makechemu, Alexander J. Gordon, Annette M. N. Ferguson, Robert G. Mann, James Pearson, Jürgen J. Popp, Jo Bovy, Josh Speagle, Hugh Dickinson, Lucy Fortson, Tobias Géron, Sandor Kruk, Chris J. Lintott, Kameswara Mantha, Devina Mohan, David O'Ryan, Inigo V. Slijepevic
We then compare the downstream performance of finetuned models pretrained on either ImageNet-12k alone vs. additionally pretrained on our galaxy images.
no code implementations • 29 Nov 2023 • Noe Dia, M. J. Yantovski-Barth, Alexandre Adam, Micah Bowles, Pablo Lemos, Anna M. M. Scaife, Yashar Hezaveh, Laurence Perreault-Levasseur
The inverse imaging task in radio interferometry is a key limiting factor to retrieving Bayesian uncertainties in radio astronomy in a computationally effective manner.
1 code implementation • 26 Oct 2022 • Micah Bowles, Hongming Tang, Eleni Vardoulaki, Emma L. Alexander, Yan Luo, Lawrence Rudnick, Mike Walmsley, Fiona Porter, Anna M. M. Scaife, Inigo Val Slijepcevic, Gary Segal
We define deriving semantic class targets as a novel multi-modal task.
1 code implementation • 23 Jun 2022 • Mike Walmsley, Inigo Val Slijepcevic, Micah Bowles, Anna M. M. Scaife
New astronomical tasks are often related to earlier tasks for which labels have already been collected.
1 code implementation • 19 Apr 2022 • Inigo V. Slijepcevic, Anna M. M. Scaife, Mike Walmsley, Micah Bowles, Ivy Wong, Stanislav S. Shabala, Hongming Tang
In this work we examine the classification accuracy and robustness of a state-of-the-art semi-supervised learning (SSL) algorithm applied to the morphological classification of radio galaxies.
1 code implementation • 4 Jan 2022 • Devina Mohan, Anna M. M. Scaife, Fiona Porter, Mike Walmsley, Micah Bowles
In this work we use variational inference to quantify the degree of uncertainty in deep learning model predictions of radio galaxy classification.
1 code implementation • 8 Nov 2021 • Micah Bowles, Matthew Bromley, Max Allen, Anna Scaife
In this work we introduce group-equivariant self-attention models to address the problem of explainable radio galaxy classification in astronomy.
1 code implementation • 1 Feb 2021 • David J. Bastien, Anna M. M. Scaife, Hongming Tang, Micah Bowles, Fiona Porter
We present a model for generating postage stamp images of synthetic Fanaroff-Riley Class I and Class II radio galaxies suitable for use in simulations of future radio surveys such as those being developed for the Square Kilometre Array.
Data Augmentation Variational Inference Instrumentation and Methods for Astrophysics Astrophysics of Galaxies
2 code implementations • 2 Dec 2020 • Micah Bowles, Anna M. M. Scaife, Fiona Porter, Hongming Tang, David J. Bastien
In this work we introduce attention as a state of the art mechanism for classification of radio galaxies using convolutional neural networks.