76 citations · 156 across the 8 of their papers we have counts for
Showing 2014Show all
3 papers · 1 filter
stat.CO2014
Computation of Gaussian orthant probabilities in high dimension
James Ridgway
We study the computation of Gaussian orthant probabilities, i.e. the probability that a Gaussian falls inside a quadrant. The Geweke-Hajivassiliou-Keane (GHK) algorithm [Genz, 1992…
stat.ML2014★ 13 cited
PAC-Bayesian AUC classification and scoring
James Ridgway, Pierre Alquier, Nicolas Chopin +1
We develop a scoring and classification procedure based on the PAC-Bayesian approach and the AUC (Area Under Curve) criterion. We focus initially on the class of linear score funct…
cs.MM2014★ 2 cited
Developing a Video Steganography Toolkit
James Ridgway, Mike Stannett
Although techniques for separate image and audio steganography are widely known, relatively little has been described concerning the hiding of information within video streams ("vi…