Patrick Sturm Lutz Priese Properties of a Three-Dimensional Island Hierarchy for Segmentation of 3D Images with the Color Structure Code. 274-281 2002 conf/dagm/2002 DAGM-Symposium http://link.springer.de/link/service/series/0558/bibs/2449/24490274.htm db/conf/dagm/dagm2002.html#SturmP02