Nonlinear Alignment and Its Local Linear Iterative Solution

Table 2

Clustering accuracy of USPS by using the 2D embedding.

	2 clusters	3 clusters	4 clusters	Average
ISOMAP	0.948000000	0.792888889	0.665888889	0.802259259
LE	0.793222222	0.705666667	0.641000000	0.713296296
LLIA	0.934333333	0.693111111	0.493333333	0.706925926
LTSA	0.879888889	0.643000000	0.505222222	0.676037037
LLE	0.821222222	0.666888889	0.508000000	0.66537037
HLLE	0.587888889	0.396777778	0.293222222	0.425962963
Diff. map	0.501333333	0.336333333	0.254111111	0.363925926