Samuel Kaski, Jarkko Venna, and Teuvo Kohonen (1999) Coloring that Reveals High-Dimensional Structures in Data. In T. Gedeon and P. Wong and S. Halgamuge and N. Kasabov and D. Nauck and K. Fukushima (Eds.), Proc. ICONIP'99, 6th International Conference on Neural Information Processing. Vol. II, pp. 729-734. Piscataway, NJ: IEEE Service Center
Figure 4c:
Figure 4d:
Postscript versions: Figure 4b, Figure 4c, Figure 4d.
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