1. Brimkov, V.E., Klette, R.: Border and surface tracing. IEEE Trans. Pattern Anal. Mach. Intell. 30(4), 577–590 (2008)
2. Chen, L.: Discrete Surfaces and Manifolds. SP Computing, Rockville (2004)
3. Chen, L.: Genus computing for 3D digital objects: algorithm and implementations. In: Proceedings of the Workshop on Computational Topology in Image Context 2009, Austria, pp. 29–40 (2009)
4. Chen, L.: Determining the number of holes of a 2D digital component is easy, November 2012. http://arxiv.org/abs/1211.3812
5. Chen, L.: Digital Functions and Data Reconstruction. Springer, New York (2013). https://doi.org/10.1007/978-1-4614-5638-4