Fringe projection profilometry-based efficient phase position-three-dimensional mapping method and system
A technique of fringe projection and mapping method, applied in instruments, measurement devices, optical devices, etc., can solve the problems of reducing the efficiency of 3D reconstruction, increasing the computational complexity and time cost, and achieving the effect of efficient 3D reconstruction
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[0053] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0054] The main idea of the present invention is: deduce the mapping relationship between phase and three-dimensional coordinates based on the back-projection stereoscopic model, that is, derive the phase-three-dimensional mapping function; on the basis of the phase-three-dimensional mapping function, a pre-designed A two-step calibration algorithm, including light reprojection calibration and sampling mapping calibration, to obtain the phase-three-dimensional mapping coefficient; the phase and the phase-three-dimensional mapping coefficient are brought into the phase-three-dimensional mapping fun...
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