Hans Burkhardt, Marco Reisert, Hongdong Li. Invariants for Discrete Structures ? An Extension of Haar Integrals over Transformation Groups to Dirac Delta Functions. In Carl Edward Rasmussen, Heinrich H. Bülthoff, Bernhard Schölkopf, Martin A. Giese, editors, Pattern Recognition, 26th DAGM Symposium, August 30 - September 1, 2004, Tübingen, Germany, Proceedings. Volume 3175 of Lecture Notes in Computer Science, pages 137-144, Springer, 2004. [doi]
Abstract is missing.