3D digitizing system and 3D digitizing process

摘要

It is a 3D digitizing system with a first sensor head (2, 3) having at least a first and a second camera (12, 13) and a projector (15), a holder (5) for holding an object to be digitized (8 ), a positioning device (6), with the various relative positioning between the first sensor head (2, 3) and the holder (5) are adjustable, and a control unit (7) provided, the first sensor head (2, 3) and the Positioning device (6) so that the following steps are carried out: A) adjusting the different relative positioning, wherein in each of the relative positioning A1) a pattern is projected on a portion of the object to be digitized (8) by means of the projector (15) and the A2) recording the portion together with at least one calibration mark (9, 10) on the holding r (5) and / or object (8) is arranged, with the first and second camera (12, 13; 4, 14); B) calibrating at least one characteristic of the cameras (12-14, 4) by the following steps: B1) selecting at least two cameras whose images have correspondences, B2) calibrating the at least one property for those in step B1 selected cameras, andC) creating a 3D model of the object to be digitized (8) based on the images taking into account the calibration performed.