COILDELFTDIFF Dissimilarity dataset.
D = COILDELFTDIFF This is a dissimilarity matrix between set of graphs derived from four objects of the COIL database computed by Richard Wilson. The graphs are the Delaunay triangulations derived from corner points found in these images, see [Xia and Hancock]. Graphs are compared in the eigenspace with a dimensionality determined by the smallest graph in every pairwise comparison by the JoEig approach. see [Lee and Duin]. Reference(s)B. Xiao and E. R. Hancock. Geometric characterisation of graphs. ICIAP 2005, LNCS 3617:471-478, 2005 W.J. Lee and R.P.W. Duin, An Inexact Graph Comparison Approach in Joint Eigenspace, in: N. da Vitoria Lobo et al. (eds.), Proc. SSSPR2008, Lecture Notes in Computer Science, vol. 5342, Springer, Berlin, 2008, 35-44. See alsoprtools, datasets, prdisdata,
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