Fringe shaping for high-/low-reflectance surface in single-trial phase-shifting profilometry

Han-Yen Tu; Ssu-Chia He

doi:doi:10.3788/COL201816.101202

Chinese Optics Letters, 2018, 16 (10): 101202, Published Online: Oct. 12, 2018

Fringe shaping for high-/low-reflectance surface in single-trial phase-shifting profilometry Download： 509次

Han-Yen Tu ^*Ssu-Chia He

Author Affiliations

Department of Electrical Engineering, Chinese Culture University, Taipei 11114, Taiwan, China

Figures & Tables

Fig. 1. Flowchart of the proposed single-trial fringe projection.

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Fig. 2. (a) 3D phase reconstruction using unsaturated fringes. (b)–(d) Fringe shaping for (p,q,r): (b) (1,2,1), (c) (1,2,2), and (d) (2,2,2) (color bar unit: rad).

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Fig. 3. 3D surface reconstruction for high- and low-reflectance surface (a) without fringe shaping and (b) using fringe shaping.

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Fig. 4. Experimental results for a complex surface with high-/low-reflectance surfaces simultaneously: (a) saturated fringe and (b) 3D reconstruction without fringe shaping.

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Fig. 5. Fringe shaping for the complex surface with high-/low-reflectance surface materials in Fig. 4(a): (a) high-reflectance surface and (b) low-reflectance surface.

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Fig. 6. Comparison of 3D reconstruction results between two methods: (a) conventional phase-shifting method, (b) fringe-shaping method, and (c) unsaturated phase-shifting projection.

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Han-Yen Tu, Ssu-Chia He. Fringe shaping for high-/low-reflectance surface in single-trial phase-shifting profilometry[J]. Chinese Optics Letters, 2018, 16(10): 101202.

Fringe shaping for high-/low-reflectance surface in single-trial phase-shifting profilometry Download： 509次

Fig. 1. Flowchart of the proposed single-trial fringe projection.

Fig. 2. (a) 3D phase reconstruction using unsaturated fringes. (b)–(d) Fringe shaping for (p,q,r): (b) (1,2,1), (c) (1,2,2), and (d) (2,2,2) (color bar unit: rad).

Fig. 3. 3D surface reconstruction for high- and low-reflectance surface (a) without fringe shaping and (b) using fringe shaping.

Fig. 4. Experimental results for a complex surface with high-/low-reflectance surfaces simultaneously: (a) saturated fringe and (b) 3D reconstruction without fringe shaping.

Fig. 5. Fringe shaping for the complex surface with high-/low-reflectance surface materials in Fig. 4(a): (a) high-reflectance surface and (b) low-reflectance surface.

Fig. 6. Comparison of 3D reconstruction results between two methods: (a) conventional phase-shifting method, (b) fringe-shaping method, and (c) unsaturated phase-shifting projection.

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Fringe shaping for high-/low-reflectance surface in single-trial phase-shifting profilometry Download： 509次

Fig. 1. Flowchart of the proposed single-trial fringe projection.

Fig. 2. (a) 3D phase reconstruction using unsaturated fringes. (b)–(d) Fringe shaping for (p,q,r): (b) (1,2,1), (c) (1,2,2), and (d) (2,2,2) (color bar unit: rad).

Fig. 3. 3D surface reconstruction for high- and low-reflectance surface (a) without fringe shaping and (b) using fringe shaping.

Fig. 4. Experimental results for a complex surface with high-/low-reflectance surfaces simultaneously: (a) saturated fringe and (b) 3D reconstruction without fringe shaping.

Fig. 5. Fringe shaping for the complex surface with high-/low-reflectance surface materials in Fig. 4(a): (a) high-reflectance surface and (b) low-reflectance surface.

Fig. 6. Comparison of 3D reconstruction results between two methods: (a) conventional phase-shifting method, (b) fringe-shaping method, and (c) unsaturated phase-shifting projection.

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