User profiles for David Barber

David Barber

Department of Computer Science, University College London
Verified email at ucl.ac.uk
Cited by 10067

[BOOK][B] Bayesian reasoning and machine learning

D Barber - 2012 - books.google.com
Machine learning methods extract value from vast data sets quickly and with modest resources.
They are established tools in a wide range of industrial applications, including search …

Bayesian classification with Gaussian processes

CKI Williams, D Barber - IEEE Transactions on pattern analysis …, 1998 - ieeexplore.ieee.org
We consider the problem of assigning an input vector to one of m classes by predicting P(c|x)
for c=1,...,m. For a two-class problem, the probability of class one given x is estimated by /…

[BOOK][B] Bayesian time series models

D Barber, AT Cemgil, S Chiappa - 2011 - books.google.com
'What's going to happen next?'Time series data hold the answers, and Bayesian methods
represent the cutting edge in learning what they have to say. This ambitious book is the first …

Applied potential tomography

DC Barber, BH Brown - Journal of Physics E: Scientific …, 1984 - iopscience.iop.org
A review of attempts which have been made to produce in vivo images of the spatial distribution
of tissue resistivity is given. The collection systems for in vivo images and the methods …

Effects of particle composition and species on toxicity of metallic nanomaterials in aquatic organisms

…, J Gao, JC Bonzongo, DS Barber - … and Chemistry: An …, 2008 - Wiley Online Library
Metallic nanoparticles are among the most widely used types of engineered nanomaterials;
however, little is known about their environmental fate and effects. To assess potential …

Exposure to Copper Nanoparticles Causes Gill Injury and Acute Lethality in Zebrafish (Danio rerio)

…, K Powers, D Taylor, DS Barber - … science & technology, 2007 - ACS Publications
Increasing use of metallic nanomaterials is likely to result in release of these particles into
aqueous environments; however, it is unclear if these materials present a hazard to aquatic …

[PDF][PDF] An investigation of the origin of the colour of the Lycurgus Cup by analytical transmission electron microscopy

DJ Barber, IC Freestone - Archaeometry, 1990 - academia.edu
The Lycurgus Cup (Figure 1) is an outstanding example of a late Roman cut glass cage cup.
It is decorated in openwork with a frieze showing scenes of the myth of King Lycurgus. The …

Effects of micronutrients on metal toxicity.

MA Peraza, F Ayala-Fierro, DS Barber… - Environmental …, 1998 - ehp.niehs.nih.gov
There is growing evidence that micronutrient intake has a significant effect on the toxicity
and carcinogenesis caused by various chemicals. This paper examines the effect of …

Three-dimensional electrical impedance tomography

P Metherall, DC Barber, RH Smallwood, BH Brown - Nature, 1996 - nature.com
THE electrical resistivity of mammalian tissues varies widely 1–5 and is correlated with
physiological function 6–8 . Electrical impedance tomography (EIT) can be used to probe such …

Updating a dosage–effect relationship for the prevalence of annoyance due to general transportation noise

S Fidell, DS Barber, TJ Schultz - The Journal of the Acoustical Society …, 1991 - pubs.aip.org
More than a decade has passed since a relationship between community noise exposure
and the prevalence of annoyance was synthesized by Schultz [TJ Schultz, J. Acoust. Soc. Am. …