Wong, E.E.WongHeist, S.S.HeistBräuer-Burchardt, C.C.Bräuer-BurchardtStark, A.A.StarkBabovsky, H.H.BabovskyKowarschik, R.R.Kowarschik2022-03-062022-03-062019https://publica.fraunhofer.de/handle/publica/26079310.1117/1.OE.58.10.104109We previously presented a technique calibrating a multiaperture array projector (MAAP) for performing high-speed three-dimensional (3-D) surface topology measurements with aperiodic sinusoidal fringe structured illumination. Although a stereo-camera setup used to be required for triangulation, the presented MAAP calibration technique re-enables photogrammetric 3-D measurements to be made using a single CCD or CMOS camera. For such a monocular-view photogrammetric system, intrinsic camera calibration, intrinsic projector calibration, and extrinsic system calibration are vital to obtain high-measurement performance. However, there is currently no such technique that can comprehensively perform the required extrinsic system calibration when using an MAAP and a single-camera setup. A comprehensive optimization-based method is proposed and the resulting measurement performance is evaluated. With the new calibration technique, we are able to achieve a surface standard deviation of ∼50 mm.en620535Optimization-based extrinsic calibration of a three-dimensional sensor composed of an array projector and a single camerajournal article