Research on binocular 3D measurement model based on grating projection

Based on the grating projection of monocular vision measurement system , a new conversion of three-dimensional model is proposed which not dependent on the principle of triangulation. The camera calibration projector calibration and two parameters between the camera and Projection grating stripes use the Tsai two-step method and non-linear optimization methods.In this way, reunification of the camera and projector calibration method,the calibration of the projector as a camera upside down. The test shows that the model reduces the demands on the system architecture and the calibration is very accurate.