Figure 13.

The 3,000 source data points sampled from a Swiss roll surface and its two dimensional embedding. (a) Swiss roll data set. (b) Superimposed with minimum subset of neighborhoods. (c) Two-dimensional embedding by ISOMAP. (d) Two-dimensional embedding by fast-ISOMAP.

Lei et al. BMC Bioinformatics 2012 13(Suppl 7):S3   doi:10.1186/1471-2105-13-S7-S3