Abstract
Color-fringe pattern profilometry is widely developed for high-speed 3D shape measurement due to more information can be extracted through a single color pattern. However, previous researches show that the color coupling and imbalance of the system cause significant errors, which severely influence the accuracy of the color-fringe pattern profilometry. We proposed a point-to-point method to compensate the errors caused by color coupling and imbalance. Different from previous methods, the proposed method bases on the correspondence between camera pixels and projector pixels, which achieves point-to-point compensation of the full field. Experimental results verify that the proposed easy-to-operated method reduces the measurement errors significantly.
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