Figure 4 | Scientific Reports

Figure 4

From: High precision computer-generated moiré profilometry

Figure 4

The spectrum analysis: (a) the original fringe pattern; (b) the frequency spectrum of (a); (c) the fundamental frequency component obtained by HCGMP; (d) the fundamental frequency component obtained by CGMP; (e) the cutaway view of (a) in the 400–500 pixel; (f) the corresponding cutaway view of the fringe pattern after background light elimination by HCGMP.

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