M. Gross, S. Wuermlin, M. Naef, E. Lamboray, C. Spagno et al., Blue-C: A Spatially Immersive Display and 3D Video Portal for Telepresence, Proceedings of ACM SIGGRAPH 03, 2003.

R. Szeliski, Rapid Octree Construction from Image Sequences Computer Vision, Graphics and Image Processing, pp.23-32, 1993.
DOI : 10.1006/ciun.1993.1029