We developed a color Ronchi pattern, a new form of fringe pattern, that can effectively used in fringe projection profilometry. The pattern is formed such that color channels red, green and blue are in separate spatial domains. From a single-shot image of the structured pattern, we are able to reconstruct the surface profile of a distorted paint canvas using both Fourier transform profilometry (FTP) and phase shifting profilometry (PSP). From the three surface reconstructions obtained using FTP, tiny artifacts in the form of ripples are observed. These artifacts are significantly reduced when the surface measurements in FTP are averaged. Experimental results have shown that both FTP and PSP successfully reconstructed the profile of a distorted paint canvas with a measurement difference between 10.00% to 15.00% from the actual displacement.
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