Javier Vidal José Crespo Victor Maojo Inclusion Relationships and Homotopy Issues in Shape Interpolation for Binary Images. 206-215 http://dx.doi.org/10.1007/978-3-540-31965-8_20 2005 conf/dgci/2005 DGCI db/conf/dgci/dgci2005.html#VidalCM05