10
ERDC/CRREL TR-02-11
new house starts had begun in those neighborhoods. Therefore, imagery at all
resolutions is not available for comparison at each of the houses in the construc-
tion sites. Further details and a time line are given in the EMERGE report (Kinn
2001). As a benchmark, data acquisition took about an hour for the collection of
the 53 frames in February and processing of the imagery with a 450-MHz
machine took approximately 4 hours after landing. EMERGE determined that it
would be possible to meet the requirement of 500 frames in 12 hr by a linear
scale extrapolation, where they multiplied 50 frames by 3 (for three times as long
as the 4 hours) and by 4 (for two machines that are twice as fast as the one they
used).
Data acquisition
Data for 8 sq mi, flown twice at several resolutions, were collected. The vol-
ume was equivalent to that collected in a maximum daily mission for Cessna-
Figure 1. Location of Lakeland, Florida, study area (after Topo USA).
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