Jing Yuan Paul Ruhnau Étienne Mémin Christoph Schnörr Discrete Orthogonal Decomposition and Variational Fluid Flow Estimation. 267-278 http://dx.doi.org/10.1007/11408031_23 2005 conf/scalespace/2005 Scale-Space db/conf/scalespace/scalespace2005.html#YuanRMS05