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Comparison of Three Accurate 3D Measurement Methods for Evaluating As-Built Floor Flatness
terrestrial laser scanning close-range photogrammetry construction quality
2015/12/14
One usual complaint about building quality is flatness of a floor. If deviations from planar could be discovered before construction is
completed, savings counted in time, money or reputation, can be...
A Versatile 3d Calibration Object for Various Micro-range measurement Methods
Accuracy Calibration Close Range
2015/7/15
We present a new micrometer-sized 3D calibration structure containing nanomarkers that serve as well distinguishable
reference points for the calibration of various 3D micro-range measurement methods...