@inproceedings{SchirmacherZoecklerStallingetal.1998, author = {Hartmut Schirmacher and Malte Z{\"o}ckler and Detlev Stalling and Hans-Christian Hege}, title = {Boundary Surface Shrinking - a Continuous Approach to 3D Center Line Extraction}, booktitle = {Proc. of IMDSP'98, held in Alpbach}, editor = {Bernd Girod and Heinrich Niemann and Hans Seidel}, pages = {25 -- 28}, year = {1998}, }