@inproceedings {slivensRoostpscheunddvandyck1997, title = {Granulometric segmentation using a gradient convergence map}, booktitle = {Proc. Scandinavian Conference on Image Analysis , Lappeenranta, Finland, 9-11/6}, year = {1997}, pages = {389-396}, author = {S. Livens and C. Van Roost and Paul Scheunders and Dirk Van Dyck} }