@article{Rigamonti2014,

title = {On the relevance of sparsity for image classification},

author = {Roberto Rigamonti and Vincent Lepetit and German Gonzalez-Serrano and Engin Turetken and Fethallah Benmansour and Matthew Brown and Pascal Fua},

url = {http://dx.doi.org/10.1016/j.cviu.2014.03.009},

doi = {10.1016/j.cviu.2014.03.009},

issn = {1090235X},

year  = {2014},

date = {2014-01-01},

urldate = {2014-01-01},

journal = {Computer Vision and Image Understanding},

volume = {125},

publisher = {Elsevier Inc.},

keywords = {image categorization, image descriptors, Pixel classification, Sparse representations},

pubstate = {published},

tppubtype = {article}

}

@article{Lozano:2009:RCB:1534927.1534960,

title = {Region and Constellations Based Categorization of Images with Unsupervised Graph Learning},

author = {M A Lozano and F Escolano and B Bonev and P suau and W Aguilar and J M saez and Miguel Cazorla},

url = {http://dx.doi.org/10.1016/j.imavis.2008.09.011},

doi = {10.1016/j.imavis.2008.09.011},

issn = {0262-8856},

year  = {2009},

date = {2009-01-01},

urldate = {2009-01-01},

journal = {Image Vision Comput.},

volume = {27},

number = {7},

pages = {960-978},

publisher = {Butterworth-Heinemann},

address = {Newton, MA, UsA},

keywords = {AI, EM algorithms, graph clustering, image categorization, region constellations},

pubstate = {published},

tppubtype = {article}

}