Abstract

Time of flight and photometric stereo are two three-dimensional (3D) imaging techniques with complementary properties, where the former can achieve depth accuracy in discontinuous scenes, and the latter can reconstruct surfaces of objects with fine depth details and high spatial resolution. In this work, we demonstrate the surface reconstruction of complex 3D fields with discontinuity between objects by combining the two imaging methods. Using commercial LEDs, a single-photon avalanche diode camera, and a mobile phone device, high resolution of surface reconstruction is achieved with a RMS error of 6% for an object auto-selected from a scene imaged at a distance of 50 cm.

© 2021 Optical Society of America

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Data Availability

Data underlying the results presented in this Letter are available in [22].

22. E. Le Francois, M. Dawson, M. Strain, and J. Herrnsdorf, “Data for: ‘Combining time of flight and photometric stereo imaging for surface reconstruction of discontinuous scenes’,” University of Strathclyde Glasgow (2021), https://doi.org/10.15129/efad4754-5aeb-45c0-99f2-bac7ce7858ed.

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