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The aim of this work is to present a comparison among three software applications currently available for the Occipital Structure\udSensor<sup>TM</sup>; all these software were developed for collecting 3D models of objects easily and in real-time with this structured light range\udcamera. The SKANECT, itSeez3D and Scanner applications were thus tested: a DUPLO<sup>TM</sup> bricks construction was scanned with the\udthree applications and the obtained models were compared to the model virtually generated with a standard CAD software, which\udserved as reference.  \udThe results demonstrate that all the software applications are generally characterized by the same level of geometric accuracy, which\udamounts to very few millimetres. However, the itSeez3D software, which requires a payment of $7 to export each model, represents\udsurely the best solution, both from the point of view of the geometric accuracy and, mostly, at the level of the color restitution. On\udthe other hand, Scanner, which is a free software, presents an accuracy comparable to that of itSeez3D. At the same time, though, the\udcolors are often smoothed and not perfectly overlapped to the corresponding part of the model. Lastly, SKANECT is the software that\udgenerates the highest number of points, but it has also some issues with the rendering of the colors

the international archives of the photogrammetry, remote sensing and spatial information sciences/international archives of the photogrammetry, remote sensing and spatial information sciences

3D MODELLING BY LOW-COST RANGE CAMERA: SOFTWARE EVALUATION AND COMPARISON