Ullrich Köthe. Deriving Topological Representations from Edge Images. In Tetsuo Asano, Reinhard Klette, Christian Ronse, editors, Geometry, Morphology, and Computational Imaging, 11th International Workshop on Theoretical Foundations of Computer Vision Dagstuhl Castle, Germany, April 7-12, 2002, Revised Papers. Volume 2616 of Lecture Notes in Computer Science, pages 320-334, Springer, 2002. [doi]