no code implementations • 20 Nov 2023 • Yizhao Jin, Greg Slabaugh, Simon Lucas
Deep Reinforcement Learning (DRL) agents frequently face challenges in adapting to tasks outside their training distribution, including issues with over-fitting, catastrophic forgetting and sample inefficiency.
1 code implementation • 21 Jun 2023 • Kit Mills Bransby, Greg Slabaugh, Christos Bourantas, Qianni Zhang
We present a novel methodology that combines graph and dense segmentation techniques by jointly learning both point and pixel contour representations, thereby leveraging the benefits of each approach.
no code implementations • 28 Feb 2023 • Kit Mills Bransby, Vincenzo Tufaro, Murat Cap, Greg Slabaugh, Christos Bourantas, Qianni Zhang
X-ray coronary angiography (XCA) is used to assess coronary artery disease and provides valuable information on lesion morphology and severity.
1 code implementation • 26 Jan 2023 • Xiulei Song, Yizhao Jin, Greg Slabaugh, Simon Lucas
Estimation of value in policy gradient methods is a fundamental problem.
1 code implementation • 26 Jan 2023 • Xiulei Song, Yizhao Jin, Greg Slabaugh, Simon Lucas
Instead, for each sub-action we calculate the loss separately, which is less prone to clipping during updates thereby making better use of samples.
1 code implementation • 9 Dec 2021 • Abhinav Jain, Greg Slabaugh, Deepti Gurdasani
Recent advances in genomic sequencing technology have resulted in an abundance of genome sequence data.
1 code implementation • 28 Jul 2018 • Muhammad Asad, Rilwan Basaru, S M Masudur Rahman Al Arif, Greg Slabaugh
We propose a PRObabilistic Parametric rEgression Loss (PROPEL) that facilitates CNNs to learn parameters of probability distributions for addressing probabilistic regression problems.
no code implementations • 26 May 2017 • Guang Yang, Xiahai Zhuang, Habib Khan, Shouvik Haldar, Eva Nyktari, Lei LI, Rick Wage, Xujiong Ye, Greg Slabaugh, Raad Mohiaddin, Tom Wong, Jennifer Keegan, David Firmin
In this study, we proposed a novel fully automatic pipeline to achieve an accurate and objective atrial scarring segmentation and assessment of LGE MRI scans for the AF patients.
no code implementations • 19 May 2017 • Simiao Yu, Hao Dong, Guang Yang, Greg Slabaugh, Pier Luigi Dragotti, Xujiong Ye, Fangde Liu, Simon Arridge, Jennifer Keegan, David Firmin, Yike Guo
Fast Magnetic Resonance Imaging (MRI) is highly in demand for many clinical applications in order to reduce the scanning cost and improve the patient experience.