Marcel Lüthi Thomas Albrecht Thomas Vetter Probabilistic Modeling and Visualization of the Flexibility in Morphable Models. 251-264 2009 IMA Conference on the Mathematics of Surfaces http://dx.doi.org/10.1007/978-3-642-03596-8_14 conf/ima-ms/2009 db/conf/ima-ms/ima-ms2009.html#LuthiAV09