Active Set Type Algorithms for Nonnegative Matrix Factorization in Hyperspectral Unmixing

Table 1

SAD comparison for the ground truth and estimated endmember signature.

Endmember	MU	PG	PN	AS1	AS2
Asphalt road	0.4102	0.4330	0.1205	0.2383	0.2099
Grass	0.3093	0.4083	0.2068	0.2719	0.2557
Tree	0.1481	0.3621	0.2849	0.2159	0.2195
Roof	0.2832	0.3063	0.5307	0.3137	0.3412