Phase shifting algorithms for fringe projection profilometry: A review
Sign Up to like & getrecommendations! Published in 2018 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2018.04.019
Abstract: Abstract The principle of structured light and triangulation is used in a wide range of 3D optical metrology applications, such as mechanical engineering, industrial monitoring, computer vision, and biomedicine. Among a multitude of techniques based… read more here.
Keywords: algorithms fringe; phase; shifting algorithms; phase shifting ... See more keywords
Multi-Depth-of-Field 3-D Profilometry for a Microscopic System With Telecentric Lens
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2021.3137156
Abstract: Microscopic profilometry based on fringe projection is notable for its noncontact and robust nature and is widely used in industrial electronics. However, its ability to observe electronic packages is limited by the depth of field… read more here.
Keywords: profilometry; system; phase; microscopic ... See more keywords
Nondestructive determination of optical properties of a pear using spatial frequency domain imaging combined with phase-measuring profilometry.
Sign Up to like & getrecommendations! Published in 2017 at "Applied optics"
DOI: 10.1364/ao.56.008207
Abstract: Spatial frequency domain imaging (SFDI), as a rapid, noncontact, and scan-free method, can realize wide-field, quantitative optical property mapping and tomographic imaging for a biological sample. Phase-measuring profilometry (PMP) is a surface profile characterization method.… read more here.
Keywords: measuring profilometry; phase measuring; spatial frequency; domain imaging ... See more keywords
Dynamic microscopic 3D shape measurement based on marker-embedded Fourier transform profilometry.
Sign Up to like & getrecommendations! Published in 2018 at "Applied optics"
DOI: 10.1364/ao.57.000772
Abstract: In recent years, the fringe projection profilometry (FPP) technique has shown great prospects in the field of dynamic 3D measurement of microscopic surface shape. However, under dynamic conditions, it is desirable to use fewer projected… read more here.
Keywords: phase; marker embedded; transform profilometry; measurement ... See more keywords
Dual-angle rotation two-dimensional wavelet transform profilometry.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.448876
Abstract: The two-dimensional continuous wavelet transform (2D CWT) has been widely used in single-shot fringe projection profilometry (FPP) because of its multi-resolution characteristics and anti-noise ability. This Letter aims to develop a novel 2D wavelet transform… read more here.
Keywords: profilometry; wavelet; two dimensional; wavelet transform ... See more keywords