Unsupervised galaxy morphological visual representation with deep contrastive learning

S Wei, Y Li, W Lu, N Li, B Liang, W Dai… - Publications of the …, 2022 - iopscience.iop.org
Galaxy morphology reflects structural properties that contribute to the understanding of the
formation and evolution of galaxies. Deep convolutional networks have proven to be very …

Investigating transfer learning in graph neural networks

N Kooverjee, S James, T Van Zyl - Electronics, 2022 - mdpi.com
Graph neural networks (GNNs) build on the success of deep learning models by extending
them for use in graph spaces. Transfer learning has proven extremely successful for …

Using Machine Learning to Determine Morphologies of z< 1 AGN Host Galaxies in the Hyper Suprime-Cam Wide Survey

C Tian, CM Urry, A Ghosh, R Ofman… - The Astrophysical …, 2023 - iopscience.iop.org
We present a machine-learning framework to accurately characterize the morphologies of
active galactic nucleus (AGN) host galaxies within z< 1. We first use PSFGAN to decouple …

Multi-modal recommendation system with auxiliary information

M Muthivhi, T van Zyl, H Wang - Southern African Conference for Artificial …, 2022 - Springer
Context-aware recommendation systems improve upon classical recommender systems by
including, in the modelling, a user's behaviour. Research into context-aware …

Stacking Ensemble Model for Celestial Object Classification: Galaxies, Stars and Quasars

S Sudharson, R Annamalai, AA Reddy… - … Conference on Image …, 2023 - ieeexplore.ieee.org
In the field of astronomy, it is essential to classify celestial objects like stars, galaxies, and
quasars based on their spectral characteristics. This spectral data provides valuable …

[PDF][PDF] Investigating Transfer Learning in Graph Neural Networks. Electronics 2022, 11, 1202

N Kooverjee, S James, T van Zyl - 2022 - academia.edu
Graph neural networks (GNNs) build on the success of deep learning models by extending
them for use in graph spaces. Transfer learning has proven extremely successful for …

[PDF][PDF] Automated Individual Identification of Wildlife using Deep Neural Networks

N Dlamini - 2022 - wiredspace.wits.ac.za
Automated re-identification of individuals in endangered species has gained traction in
nature conservation initiatives. Scholars in computer vision community have explored the …

Transfer metric learning: algorithms, applications and outlooks

Y Luo, Y Wen, H Hu, B Du, LY Duan, D Tao - Vicinagearth, 2024 - Springer
Distance metric learning (DML) aims to find an appropriate way to reveal the underlying data
relationship. It is critical in many machine learning, pattern recognition and data mining …