Reference

Brun, L., & Kropatsch, W. (2005). Inside and Outside within Combinatorial Pyramids. In L. Brun & M. vento (Eds.), 5th IAPR-TC15 Workshop on Graph-based Representation in Pattern Recognition (pp. 122–131). Springer, LNCS. http://hdl.handle.net/20.500.12708/51282