Search Results for author: Ik Siong Heng

Found 4 papers, 2 papers with code

Rare Events Detected with a Bulk Acoustic Wave High Frequency Gravitational Wave Antenna

no code implementations11 Feb 2021 Maxim Goryachev, William M. Campbell, Ik Siong Heng, Serge Galliou, Eugene N. Ivanov, Michael E. Tobar

During Run 2, a second event occurred on the 27/11/2019(UTC) and was observed by both modes.

General Relativity and Quantum Cosmology High Energy Astrophysical Phenomena High Energy Physics - Experiment Instrumentation and Detectors

Optic disc and fovea localisation in ultra-widefield scanning laser ophthalmoscope images captured in multiple modalities

no code implementations24 Apr 2020 Peter Robert Wakeford, Enrico Pellegrini, Gavin Robertson, Michael Verhoek, Alan Duncan Fleming, Jano van Hemert, Ik Siong Heng

We propose a convolutional neural network for localising the centres of the optic disc (OD) and fovea in ultra-wide field of view scanning laser ophthalmoscope (UWFoV-SLO) images of the retina.

Bayesian parameter estimation using conditional variational autoencoders for gravitational-wave astronomy

2 code implementations13 Sep 2019 Hunter Gabbard, Chris Messenger, Ik Siong Heng, Francesco Tonolini, Roderick Murray-Smith

Gravitational wave (GW) detection is now commonplace and as the sensitivity of the global network of GW detectors improves, we will observe $\mathcal{O}(100)$s of transient GW events per year.

Astronomy Bayesian Inference

A Precessing Numerical Relativity Waveform Surrogate Model for Binary Black Holes: A Gaussian Process Regression Approach

1 code implementation21 Mar 2019 Daniel Williams, Ik Siong Heng, Jonathan Gair, James A Clark, Bhavesh Khamesra

Numerical relativity simulations are, however, computationally expensive, leading to the need for a surrogate model which can predict waveform signals in regions of the physical parameter space which have not been probed directly by simulation.

General Relativity and Quantum Cosmology Data Analysis, Statistics and Probability

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