
6°25'E
6°20'E 6°25'E 6°30'E
4
Kilometers
0
50°55'N
50°55'N 50°50'N
6°30'E
FIGURE 1.1
ASTER color composite ima ge (1000 × 1000 pixels) of VNIR bands 1 (blue),
2 (gr een), and 3N (r e d) over the town of J¨ulich in Germany, acquired on May
1, 200 7. The bright a reas are open cast coa l mines.
0
0.00
0.05
0.10
0.15
0.20
0.25
0.30
035
5 10 15 20
FIGURE 2.2
Plots of the chi-square probability density for m = 1 . . . 5 degrees of freedom.