author= {Pishchulin, Leonid and Gass, Tobias and Dreuw, Philippe and Ney, Hermann},
title= {Image warping for face recognition: From local optimality towards global optimization},
journal= {Pattern Recognition},
pages= {3131-3140},
volume= {45},
number= {9},
year= 2012,
month= sep,
journallink= {http://www.sciencedirect.com/science/article/pii/S0031320311004419},
pdf = {https://www-i6.informatik.rwth-aachen.de/publications/downloader.php?id=763&row=pdf}