Digital Field Classification System Design And Implementation

Aerial photogrammetry is one of the most effective means for the fundamentalgeographic information collection. Along with the digital photography of measuringtechnology of development, launch a series of digital photogrammetry software systems athome and abroad. These software systems are view point in interior work so that makeinterior work mode a revolutionary change, but field collection means still kept thetraditional mode. Because of interior work systems improving, it put forward higherrequest in fielder collection. Although some digital photogrammetric systems claim to befrom field, but from the actual application seems to be unable to realize. So it makes somecontradictions, in technology connector, in traditional means of aerophotogrammetry fieldwork and interior work.This paper briefly introduces the GEOWAY Fielder digital field classification systemdesign and implementation. Aiming at current field work mode of photogrammetry data isalmost based on the annotated photograph, but this mode is easy to cause of workloadrepeating, classification survey information missing, internal and external work cohesioncontradictions, and to a certain extent has affected the aerial data the production efficiency.Through research actual digital photogrammetry workflow, this paper put forwawdsecondary correction creatively. This method using the three-dimensional model that laterrecovery, and secondary correct the annotation data that based on original image torecovery the achievement of geographic coordinates and elevation. This method can settlethe time of collision during annotation and photograph control survey. To set up a newfield work mode to realize the result electronic, and describes the integration of cohesioninterior and field work mode. Through the actual production experiments indicate that thesystem is practical.