EM 1110-2-2907
1 October 2003
maining image pixels into the designated classes by using a discriminate analysis routine
(discussed below).
Figure 5-17. Landsat 7 ETM image of central Australia (4, 3, 2 RGB). Lin-
ear features in the upper portion of the scene are sand dunes. Training
data are selected with a selection tool (note the red enclosure). A similar
process was performed on data from Figure 5-16 (the DN values for figure
5-16 are presented in Figure 5-18).
5-31
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