
Radiometric normalization of multispectral imagery 409
0 20 40 60 80
0
20
40
60
80
channel 1
uncalibrated
reference
0 20 40 60 80
0
20
40
60
80
channel 2
uncalibrated
reference
0 50 100
0
20
40
60
80
100
120
channel 3
uncalibrated
reference
0 20 40 60 80
0
20
40
60
80
100
channel 4
uncalibrated
reference
0 50 100
0
20
40
60
80
100
120
140
channel 5
uncalibrated
reference
0 50 100
0
20
40
60
80
100
120
channel 7
uncalibrated
reference
FIGURE 9.23
Regressions of the December 1999 reference scene on the October 2000 target
(uncalibrated) scene. Solid line: orthogonal linear re gression, dashed line:
ordinary linear regress ion (Canty et al., 2004).
TABLE 9.2
Comparison of means and variances for hold-out test