Arjan Kuijper Luc Florack Understanding and Modeling the Evolution of Critical Points under Gaussian Blurring. 143-157 2002 conf/eccv/2002-1 ECCV (1) http://link.springer.de/link/service/series/0558/bibs/2350/23500143.htm db/conf/eccv/eccv2002-1.html#KuijperF02