Learning Image Descriptors with the Boosting-Trick Tomasz Trzciński, Mario Christoudias, Vincent Lepetit, Pascal Fua Dec 3, 2012 PDF Cite Learned spatial weighting obtained with Boosted Gradient Maps (BGM) trained on (a) Liberty, (b) Notre Dame and (c) Yosemite datasets. Tomasz Trzciński Principal Investigator