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4 March 2019 Three-dimensional structured light profilometry using a bandwidth-limited projector
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Abstract
We propose a bandwidth-limited imaging system based on a digital micromirror device (DMD) for three-dimensional (3D) structured light profilometry. By using an error diffusion algorithm with optical low-pass filtering, we obtain high-quality sinusoidal fringe patterns without mirror dithering. An N-step phase-shifting algorithm is then used to recover depth information from objects. Using our bandwidth-limited projector, we demonstrate 3D profilometry of a static object.
Conference Presentation
© (2019) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Cheng Jiang, Patrick Kilcullen, Xianglei Liu, Tsuneyuki Ozaki, and Jinyang Liang "Three-dimensional structured light profilometry using a bandwidth-limited projector", Proc. SPIE 10932, Emerging Digital Micromirror Device Based Systems and Applications XI, 109320K (4 March 2019); https://doi.org/10.1117/12.2510145
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