Development and application of spatial carrier interferometry for whole field real-time investigation of temperatures in liquid media
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Thermal Sciences"
DOI: 10.1016/j.ijthermalsci.2019.106029
Abstract: Abstract This paper presents interferometric measurement of dynamic phenomena in transparent media. The method is based on differential spatial carrier interferometry that provides interesting features for experimental fluid mechanics. The method is particularly suitable for… read more here.
Keywords: development application; carrier interferometry; temperature; spatial carrier ... See more keywords
Fast and high precision spatial carrier frequency phase shifting algorithm based on the second order difference
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DOI: 10.1016/j.optcom.2019.07.072
Abstract: Abstract A spatial carrier phase shifting algorithm based on the second-order difference (SCFPS-SD) is proposed. By numerically calculating the first and second order difference of one spatial carrier frequency interferogram (SCFI) and then using a… read more here.
Keywords: carrier frequency; spatial carrier; carrier; phase ... See more keywords
Highly noise-tolerant hybrid algorithm for phase retrieval from a single-shot spatial carrier fringe pattern
Sign Up to like & getrecommendations! Published in 2018 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2017.08.011
Abstract: Abstract A highly noise-tolerant hybrid algorithm ( NTHA ) is proposed in this study for phase retrieval from a single-shot spatial carrier fringe pattern ( SCFP ), which effectively combines the merits of spatial carrier… read more here.
Keywords: phase; spatial carrier; noise tolerant; fringe ... See more keywords
Phase Extraction Algorithm Based on the Spatial Carrier-Frequency Phase-Shifting Gradient
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2019.2950103
Abstract: For improving the accuracy and processing speed of phase extraction, a new phase extraction algorithm based on the spatial carrier-frequency phase-shifting gradient (SCFPS-G) is proposed. First, three-frame sub-interferograms along the direction of spatial carrier-frequency phase-shifting… read more here.
Keywords: carrier frequency; phase; phase extraction; spatial carrier ... See more keywords
Phase-extraction algorithm for a single-shot spatial-carrier orthogonal fringe pattern with least squares method
Sign Up to like & getrecommendations! Published in 2020 at "Optical Engineering"
DOI: 10.1117/1.oe.59.2.024103
Abstract: Abstract. In traditional phase measurement deflectometry (PMD), a number of sinusoidal fringe patterns are displayed on the screen in two orthogonal directions, which is time-consuming and not suitable for dynamic measurements. A phase-extraction algorithm based… read more here.
Keywords: fringe; carrier orthogonal; spatial carrier; orthogonal fringe ... See more keywords
Fast and precise spatial-carrier phase-shifting algorithm with the matrix VU factorization
Sign Up to like & getrecommendations! Published in 2020 at "Optical Engineering"
DOI: 10.1117/1.oe.59.6.064108
Abstract: Abstract. A fast and precise spatial-carrier phase-shifting algorithm based on the matrix VU factorization strategy that can realize dynamic real-time phase detection is proposed. First, the proposed algorithm divides the spatial-carrier interferogram into four phase-shifting… read more here.
Keywords: phase; spatial carrier; carrier; matrix factorization ... See more keywords