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Charles Fox

Researcher at University of Leeds

Publications -  80
Citations -  1853

Charles Fox is an academic researcher from University of Leeds. The author has contributed to research in topics: Computer science & Robot. The author has an hindex of 20, co-authored 73 publications receiving 1372 citations. Previous affiliations of Charles Fox include University of Lincoln & University of Oxford.

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Journal ArticleDOI

A tutorial on variational Bayesian inference

TL;DR: This tutorial describes the mean-field variational Bayesian approximation to inference in graphical models, using modern machine learning terminology rather than statistical physics concepts, and derives local node updates and reviews the recent Variational Message Passing framework.
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Active touch sensing in the rat: anticipatory and regulatory control of whisker movements during surface exploration.

TL;DR: High-speed video analysis is used to investigate whisker movements in untrained, freely moving rats encountering unexpected, vertical surfaces to support two hypotheses: 1) that the relative velocities of different whiskers may be actively controlled by the rat and 2) that control of whisker velocity and timing may serve to increase the number and duration of whisking-surface contacts while ensuring that such contacts are made with a light touch.
Proceedings ArticleDOI

A Comparative Study of Adaptive, Automatic recognition of Disordered Speech

TL;DR: This study investigates how far fundamental training and adaptation techniques developed in the LVCSR community can take, and a variety of ASR systems using maximum likelihood and MAP adaptation strategies are established with all speakers obtaining significant improvements compared to the baseline system regardless of the severity of their condition.
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Tactile Discrimination Using Active Whisker Sensors

TL;DR: It is shown that accurate classification of surface texture using data obtained from whisking against three different surfaces is achievable and that active vibrissal sensing could likewise be a useful sensory capacity for autonomous robots.