1 code implementation • 10 Jan 2023 • Danny Wood, Tingting Mu, Andrew Webb, Henry Reeve, Mikel Luján, Gavin Brown
We present a theory of ensemble diversity, explaining the nature of diversity for a wide range of supervised learning scenarios.
2 code implementations • 13 Feb 2021 • Cameron Shand, Richard Allmendinger, Julia Handl, Andrew Webb, John Keane
Here, we argue that synthetic datasets must continue to play an important role in the evaluation of clustering algorithms, but that this necessitates constructing benchmarks that appropriately cover the diverse set of properties that impact clustering algorithm performance.
no code implementations • 7 Oct 2019 • Kirsten Koolstra, Peter Börnert, Boudewijn Lelieveldt, Andrew Webb, Oleh Dzyubachyk
In Magnetic Resonance Fingerprinting (MRF) the quality of the estimated parameter maps depends on the encoding capability of the variable flip angle train.
2 code implementations • 20 Aug 2018 • Sajad Saeedi, Bruno Bodin, Harry Wagstaff, Andy Nisbet, Luigi Nardi, John Mawer, Nicolas Melot, Oscar Palomar, Emanuele Vespa, Tom Spink, Cosmin Gorgovan, Andrew Webb, James Clarkson, Erik Tomusk, Thomas Debrunner, Kuba Kaszyk, Pablo Gonzalez-de-Aledo, Andrey Rodchenko, Graham Riley, Christos Kotselidis, Björn Franke, Michael F. P. O'Boyle, Andrew J. Davison, Paul H. J. Kelly, Mikel Luján, Steve Furber
Visual understanding of 3D environments in real-time, at low power, is a huge computational challenge.
no code implementations • 4 Oct 2017 • Kirsten Koolstra, Jeroen van Gemert, Peter Börnert, Andrew Webb, Rob Remis
Results: The designed circulant preconditioner reduces the number of iterations required in the conjugate gradient method by almost a factor of~5.