no code implementations • 27 Aug 2020 • Ludmila I. Kuncheva, Clare E. Matthews, Álvar Arnaiz-González, Juan J. Rodríguez
In classification problems, the purpose of feature selection is to identify a small, highly discriminative subset of the original feature set.
no code implementations • 7 Feb 2019 • Iain A. D. Gunn, Ludmila I. Kuncheva
We collect some relevant results and use them to provide explicit lower and upper bounds for the VC dimension of 1NN classifiers with a prototype set of fixed size.
no code implementations • 19 Apr 2018 • Ludmila I. Kuncheva, Álvar Arnaiz-González, José-Francisco Díez-Pastor, Iain A. D. Gunn
A natural way of handling imbalanced data is to attempt to equalise the class frequencies and train the classifier of choice on balanced data.
no code implementations • 19 Dec 2017 • Ludmila I. Kuncheva, Paria Yousefi, Iain A. D. Gunn
Here we propose a discrimination capacity measure as a formal way to quantify the improvement over the uniform baseline, assuming that one or more ground truth summaries are available.
no code implementations • 19 Dec 2017 • Iain A. D. Gunn, Ludmila I. Kuncheva, Paria Yousefi
A keyframe summary, or "static storyboard", is a collection of frames from a video designed to summarise its semantic content.