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Abstract
Are All Orthos Created Equal?
Track: Cartography and Map Production
Author(s): Thomas Cox
This paper will present variations in orthophotography and the implications to the user. Low- and high-end solutions will be offered for a range of topics including
Absolute accuracy (ASPRS vs. NMAS)
Relative accuracy (options for edge matching)
Color balancing (how good is good enough?)
Seaming issues (splits or ghosting)
Warped buildings
Distorted bridges
Leaning buildings
These topics will also be presented in light of coarse resolution (i.e., 1-m DOQQs) and fine resolution (i.e.,0 .5- or 1-foot pixels).
Thomas Cox
Sanborn Colorado, L.L.C.
Products
1935 Jamboree Drive
Colorado Springs , CO 80920
USA
Phone: 719-593-0093
Fax: 719-528-5093
E-mail: scox@sanmap.com