Highlight removal based on the regional-projection fringe projection method

Zhaoshuai Qi; Zhao Wang; Junhui Huang; Chao Xing; Jianmin Gao

doi:10.1117/1.OE.57.4.041404

23 January 2018 Highlight removal based on the regional-projection fringe projection method

Zhaoshuai Qi, Zhao Wang, Junhui Huang, Chao Xing, Jianmin Gao

Author Affiliations +

Optical Engineering, Vol. 57, Issue 4, 041404 (January 2018). https://doi.org/10.1117/1.OE.57.4.041404

Abstract

In fringe projection profilometry, highlight usually causes the saturation and blooming in captured fringes and reduces the measurement accuracy. To solve the problem, a regional-projection fringe projection (RP-FP) method is proposed. Regional projection patterns (RP patterns) are projected onto the tested object surface to avoid the saturation and blooming. Then, an image inpainting technique is employed to reconstruct the missing phases in the captured RP patterns and a complete surface of the tested object is obtained. Experiments verified the effectiveness of the proposed method. The method can be widely used in industrial inspections and quality controlling in mechanical and manufacturing industries.

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Zhaoshuai Qi, Zhao Wang, Junhui Huang, Chao Xing, and Jianmin Gao "Highlight removal based on the regional-projection fringe projection method," Optical Engineering 57(4), 041404 (23 January 2018). https://doi.org/10.1117/1.OE.57.4.041404

Received: 12 April 2017; Accepted: 3 January 2018; Published: 23 January 2018

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