Alexei Gritai Yaser Sheikh Cen Rao Mubarak Shah Matching Trajectories of Anatomical Landmarks Under Viewpoint, Anthropometric and Temporal Transforms. 325-343 2009 84 International Journal of Computer Vision 3 http://dx.doi.org/10.1007/s11263-009-0239-8 db/journals/ijcv/ijcv84.html#GritaiSRS09