Ollie joined Microsoft Research Silicon Valley in November 2007. Prior to that he was at Microsoft Research Cambridge and a research fellow at Trinity Hall in the University of Cambridge. His interests are in machine learning, computer vision and optimization methods.

Publications

• A Switched Gaussian Process for Estimating Disparity and Segmentation in Binocular Stereo
  O.Williams, Advances in Neural Information Processing Systems (NIPS) 19, 2007
   
• Gaussian Process Implicit Surfaces
  O.Williams and A.Fitzgibbon, Gaussian Processes in Practice, Bletchley Park, UK
   
• Sparse and Semi-supervised Visual Mapping with the S3GP  *
  O.Williams, A.Blake and R.Cipolla, CVPR 2006
   
• Bayesian Learning for Efficient Visual Inference [pdf]
  O.Williams, Thesis, University of Cambridge 2005
   
• Estimating Disparity and Occlusions in Stereo Video Sequences  *
  O.Williams, M.Isard and J.MacCormick, CVPR 2005
   
• Sparse Bayesian Regression for Efficient Visual Tracking  *
  O.Williams, A.Blake and R.Cipolla
  IEEE Transactions on Pattern Analysis and Machine Intelligence (PAMI)
  Pages 1292-1304 Volume 27, Number 8 August 2005 
   
• The Variational Ising Classifier (VIC) algorithm for coherently contaminated data.
  O.Williams, A.Blake and R.Cipolla,
  Advances in Neural Information Processing Systems (NIPS) 17, 2005
   
• A Sparse Probabilistic Learning Algorithm for Real-Time Tracking  *
  O.Williams, A.Blake and R.Cipolla, ICCV 2003, Pages 353-360
   
• Guidence of a Mobile Robot using Computer Vision over a distributed system
  O.Williams, MEng Dissertation, University of Cambridge 2002

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