Abstract
We propose the obtaining of the 3D shapes by scanning with a light line of generated digitally Gaussian, triangular or sinusoidal profile. Algorithms based on the Bezier curves, linear regression, and nonlinear regression methods were implemented, which allowed to obtain the skeleton of each line of light captured with sub-pixel accuracy. The height measurements obtained with each projected profile were compared with a coordinate measuring machine (CMM). Finally, reconstruction efficiency was determined for each projected light profile in terms of accuracy and processing time.
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