Machine vision based 3D scanning system

This study presents a low-cost scanning system for acquiring 3D geometry and texture information of large objects and for performing multi-scanning patch registration to obtain a whole realistic 3D model. The proposed system is composed of a line-stripe laser and a color CCD camera. The scanning processes consist of three steps. In the first step, the 3D depth information of the scanned object is obtained by laser triangulation. Subsequently, the texture of the scanned object is obtained by using a color CCD camera. In the final step, multiple scan patches are registered together to merge into a complete vivid 3D model. This study presents standard off-the-shelf hardware and software framework to implement a 3D measuring system. Experiments on the proposed method yielded very good results, for example, we constructed a big fortune cat model from the sixteen multi-scanned patches.