nearnet - A Matlab implementation of local coordinate coding. - A C++ implementation of locality constrained linear coding. - Not sure what the state of either is. Refs: http://arxiv.org/abs/0906.5190 http://www.ifp.illinois.edu/~jyang29/LLC.htm Things you might need: IMAGES.mat http://redwood.berkeley.edu/bruno/sparsenet/IMAGES.mat lbfgsb https://github.com/jackculpepper/lbfgsb-stewart