Sra, S Dept. Empirical Inference, Max Planck Institute for Intelligent Systems, Max Planck Society;
https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6378374 (Publisher version)
Cherian, A., Sra, S., Banerjee, A., & Papanikolopoulos, N. (2012). Jensen-Bregman LogDet Divergence with Application to Efficient Similarity Search for Covariance Matrices. IEEE Transactions on Pattern Analysis and Machine Intelligence, 35(9), 2161-2174. doi:10.1109/TPAMI.2012.259.