Substantial advances over the last few years have provided us with diverse and robust techniques to quickly and precisely capture large amounts of geospatial information, extending traditional surveying and photogrammetric solutions. For example, using cameras, laser scanners and GPS sensors on-board static or mobile platforms allows us to collect geospatially rich information, such as the locations of moving objects, or detailed 3-D terrain models as they are captured by an unmanned aerial vehicle flying over an area of interest.

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