Coherent vortex extraction in 3D homogeneous isotropic turbulence using orthogonal wavelets Margarete O. Domingues, Ingmar Broemstrup, Kai Schneider, Marie Farge and Benjamin Kadoch ESAIM: Proc., 16 (2007) 164-180 Published online: 02 March 2007 DOI: 10.1051/proc:2007005