Abstract:Flight line planning is the first step in an aerial photography campaign. Its two key parameters, ground sampling distance (GSD) and overlap should be designed carefully as they will impact subsequent flying workload and even the final mapping accuracy. For a flat terrain region, flight line planning is easy using a traditional method with fixed baseline ,flight spacing and flight altitude. But for a steep terrain region, photo overlap and GSD will change greatly with topography, thus a flight line planning us… Show more
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