http://people.ee.duke.edu/~lcarin/cvpr2010_0618.pdf
http://www.ifp.illinois.edu/~jyang29/LLC.htm
http://www.dbs.informatik.uni-muenchen.de/~yu_k/#recent_publications
http://dceanalysis.bigr.nl/Haralick73-Textural%20features%20for%20image%20classification.pdf
http://ufldl.stanford.edu/eccv10-tutorial/
http://users.eecs.northwestern.edu/~jwa368/pdfs/sparse_context.pdf
http://www-nlpir.nist.gov/projects/tvpubs/tv10.papers/nec-uiuc.pdf
http://www.vlfeat.org/~vedaldi/assets/pubs/chatfield11devil.pdf
http://yann.lecun.com/exdb/publis/pdf/gregor-icml-10.pdf
http://kdpu.edu.ua/download/library/ForDis/GigaPixel/d65341faae4d8484a7d7dca8e80dabe1.pdf
http://eprints.pascal-network.org/archive/00003046/01/bosch07a.pdf
http://www.microimages.com/documentation/Tutorials/classify.pdf
http://ufldl.stanford.edu/eccv10-tutorial/