Dynamic three-dimensional displacement analysis of small-scale granular flows by fringe projection and digital image correlation
Sign Up to like & getrecommendations! Published in 2019 at "Landslides"
DOI: 10.1007/s10346-019-01304-6
Abstract: In this work, we present experimental results that show the feasibility of measuring three-dimensional displacement in models of dry granular avalanches. For this purpose, we have used a technique that is capable to measure simultaneously… read more here.
Keywords: three dimensional; dimensional displacement; projection digital; digital image ... See more keywords
Improved 3D displacement measurements method and calibration of a combined fringe projection and 2D-DIC system
Sign Up to like & getrecommendations! Published in 2017 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2016.08.014
Abstract: Abstract An improved measurement method and an automatic calibration procedure are proposed for a combined 2D Digital Image Correlation and Fringe Projection system that allows measuring in- and out-of-plane displacement maps with only one image… read more here.
Keywords: system; plane displacements; calibration; fringe projection ... See more keywords
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
Rapid tracking of extrinsic projector parameters in fringe projection using machine learning
Sign Up to like & getrecommendations! Published in 2019 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2018.08.018
Abstract: Abstract In this work, we propose to enable the angular re-orientation of a projector within a fringe projection system in real-time without the need for re-calibrating the system. The estimation of the extrinsic orientation parameters… read more here.
Keywords: neural network; fringe projection; projector; rapid tracking ... See more keywords
Projector distortion residual compensation in fringe projection system
Sign Up to like & getrecommendations! Published in 2019 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2018.10.015
Abstract: Abstract In fringe projection profilometry system, the lens distortion of the projector is usually represented with the distortion coefficients, but it will result in large residual. To compensate this residual, a projector distortion residual compensation… read more here.
Keywords: system; distortion; fringe projection; projector ... See more keywords
High Sensitivity Fringe Projection Profilometry Combining Optimal Fringe Frequency and Optimal Fringe Direction
Sign Up to like & getrecommendations! Published in 2020 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2020.106068
Abstract: Abstract Phase sensitivity plays a vital role in accurately retrieving three-dimensional (3D) shape of diffused objects in fringe projection profilometry (FPP). With regard to traditional means that simply project horizontal or vertical fringe patterns, the… read more here.
Keywords: direction; sensitivity; optimal fringe; fringe frequency ... See more keywords
A multidistance constraint method for three-dimensional reconstruction with coaxial fringe projection measurement system
Sign Up to like & getrecommendations! Published in 2020 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2020.106103
Abstract: Abstract Fringe projection profilometry (FPP) is a popular technique for measuring three-dimensional (3D) objects and is widely used in industrial production, quality detection, and visual guidance, among other applications. However, with traditional FPP systems based… read more here.
Keywords: three dimensional; multidistance constraint; fringe; coaxial fringe ... See more keywords
Microscopic fringe projection profilometry: A review
Sign Up to like & getrecommendations! Published in 2020 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2020.106192
Abstract: Abstract Structured light three-dimensional (3D) measurement technology is considered one of the most reliable 3D data acquisition methods. Driven by the demand for high-precision 3D data acquisition for miniaturized samples in many fields such as… read more here.
Keywords: projection; projection profilometry; fringe projection; microscopic fringe ... See more keywords
LED source interferometer for microscopic fringe projection profilometry using a Gates’ interferometer configuration
Sign Up to like & getrecommendations! Published in 2022 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2021.106822
Abstract: Abstract The fringe projection technique is considered one of the most reliable solutions for structured light technology, developed for non-contact three-dimensional (3D) data acquisition. When working with this technique, applying it on a microscopic scale,… read more here.
Keywords: source; gates interferometer; interferometer configuration; led source ... See more keywords
Automatic projector defocus measurement method with large depth of field for fringe projection system
Sign Up to like & getrecommendations! Published in 2025 at "Measurement Science and Technology"
DOI: 10.1088/1361-6501/addff4
Abstract: The optimal defocus method is proved to be helpful to improve the accuracy of fringe projection measurement system. Using this characteristic, this paper proposes an automatic projector defocus method by using a self-designed control module… read more here.
Keywords: method; defocus; point; fringe projection ... See more keywords
Improving the Performance of 3D Shape Measurement of Moving Objects by Fringe Projection and Data Fusion
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DOI: 10.1109/access.2021.3061415
Abstract: Fringe projection profilometry (FPP) has been widely studied for measurements of three-dimensional (3D) shapes. However, the measurement of moving objects is still a challenging problem associated with commonly used methods. Phase-shifting profilometry (PSP) suffers from… read more here.
Keywords: measurement moving; data fusion; moving objects; fringe projection ... See more keywords