Abstract
Photographic field control measurement is divided into the measurement of the basic control points of the regional network and the simultaneous measurement of the image control points and checkpoints. The main purpose is to connect the aerial camera coordinates with the ground control points, and then measure the plane according to the mathematical model. The accuracy of the point and elevation points, which in turn reflects the accuracy of the DOM digital product. Image control data directly reflects the accuracy of digital products. Therefore, it is necessary to perform joint control of image points. This paper mainly studies the key technologies of field control point layout and joint measurement, aerial triangulation and digital product generation.
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