Samuel Morillas Stefan Schulte Tom Mélange Etienne E. Kerre Valentín Gregori A Soft-Switching Approach to Improve Visual Quality of Colour Image Smoothing Filters. 254-261 2007 conf/acivs/2007 ACIVS http://dx.doi.org/10.1007/978-3-540-74607-2_23 db/conf/acivs/acivs2007.html#MorillasSMKG07