NON-CONTROLLED CLOSE-RANGE PHOTOGRAMMETRY METHOD BASED ON PHOTOMODELER SCANNER

Huang, C. C.; Li, Y. J.; Tang, S. H.; Zhang, Y.; Xiao, Y.

Aiming at the high demand of close-range photogrammetry for the object control points and the inconvenient carrying of digital camera to take photogrammetry in the field, a method of detail survey based on PhotoModeler Scanner software is proposed. USB camera combines with the centering rod, USB camera captures image data, Total station obtains the coordinates of the centering rod, the coordinate of projective center is calculated by using the coordinate of the centering rod, PhotoModeler Scanner software processes image data and coordinate data. Ultimately, image stereo measurement of the no object control point was realized. The experimental results showed that the error of the plane position of the solved target point was less than 10cm at a shooting distance of about 10m, and it met the accuracy requirements of detail survey. Therefore, the method can reduce the workload of field detail survey, reduce the cost and volume of the photographic equipment, and has certain application value.

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Huang, C. C. / Li, Y. J. / Tang, S. H. / et al: NON-CONTROLLED CLOSE-RANGE PHOTOGRAMMETRY METHOD BASED ON PHOTOMODELER SCANNER. 2020. Copernicus Publications.

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