@inproceedings{li_cvpr12,
author = {F. Li and G. Lebanon and C. Sminchisescu},
title = {{Chebyshev Approximations to the
Histogram $\chi^2$ Kernel}},
booktitle = {IEEE International Conference on Computer Vision and Pattern Recognition},
year = {2012},
pdf = {http://sminchisescu.ins.uni-bonn.de/papers/chebyshev_cvpr12.pdf 1}
}