Monthly Archives: February 2011

Relevance Vector Machines for Classification

Everybody from Machine Learning domain knows SVMs (Support Vector Machines). Less common are the closely related Relevance Vector Machines. The first one is more discriminative approach while another relies on statistical inference. Both use the notion and advantages of sparseness … Continue reading

Posted in Uncategorized | Leave a comment

Matlab compiler tip : versions of GCC

Users of older versions of Matlab (even like me with Matlab 2009b) encounter sometimes the problems with compiler versions when using GCC. Under ubuntu one issues a command like : sudo update-alternatives –config gcc And then from the list one … Continue reading

Posted in Uncategorized | Leave a comment

MATLAB Mex : Help to paralellize the Intersection Metric function

I am using Matlab 2009b under Ubuntu 10.04. My goal was to write an efficient MEX file for intersection metric computation. Since each individual computation is by very nature independent, i thought to parallelize the computation (i have 8 core … Continue reading

Posted in Uncategorized | Leave a comment

New version of LyX is out!

Who don’t know what LyX is? If you do any serious writing then you should certainly know LaTeX. The good thing about LaTeX is that you get nicely formatted output as PDF. The second good thing is that you don’t … Continue reading

Posted in Uncategorized | Leave a comment

CENTRIST : Visual descriptor for indoors localization

Following Jianxin Wu’s work about visual descriptor CENTRIST, i dig in his libHIK code to extract the interesting part : CENTRIST descriptor calculation. His code was bit too much hard coded with parameters, tests and even database names! In Computer … Continue reading

Posted in Uncategorized | Leave a comment

Good introduction in Semi-Supervised Learning

We know that it is relatively easy to obtain some kind of data. Much harder is to get use of it. For example, if we want to classify something. It is very well known from Machine Learning that in order … Continue reading

Posted in Uncategorized | Leave a comment