Color-fringe pattern profilometry using an efficient iterative algorithm
Sign Up to like & getrecommendations! Published in 2017 at "Optics Communications"
DOI: 10.1016/j.optcom.2016.12.058
Abstract: Abstract Colored fringe pattern approach has been proposed to overcome the limitations of the sequential phase-shifting fringe pattern profilometry for dynamic measurements. However, the use of colored fringe patterns leads to a mayor problem, the… read more here.
Keywords: color; phase; pattern profilometry; fringe ... See more keywords
DeepDensity: Convolutional neural network based estimation of local fringe pattern density
Sign Up to like & getrecommendations! Published in 2021 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2021.106675
Abstract: Abstract Fringe pattern based measurement techniques are crucial both in macroscale, e.g., fringe projection profilometry, and microscale, e.g., label-free quantitative phase microscopy. Accurate estimation of the local fringe density map can significantly facilitate almost all… read more here.
Keywords: fringe; local fringe; density; estimation ... See more keywords
Measurement of instantaneous rotational speed using double-sine-varying-density fringe pattern
Sign Up to like & getrecommendations! Published in 2018 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2017.10.011
Abstract: Abstract Fast and accurate rotational speed measurement is required both for condition monitoring and faults diagnose of rotating machineries. A vision- and fringe pattern-based rotational speed measurement system was proposed to measure the instantaneous rotational… read more here.
Keywords: instantaneous rotational; rotational speed; speed; measurement ... See more keywords
Fringe Pattern Improvement and Super-Resolution Using Deep Learning in Digital Holography
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Industrial Informatics"
DOI: 10.1109/tii.2019.2913853
Abstract: Digital holographic imaging is a powerful technique that can provide wavefront information of a three-dimensional object for biological and industrial applications. However, due to the constraint and cost of imaging sensors, the acquired digital hologram… read more here.
Keywords: resolution; pattern improvement; improvement super; deep learning ... See more keywords
Precision Position Measurement of PMSLM Based on ApFFT and Temporal Sinusoidal Fringe Pattern Phase Retrieval
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Industrial Informatics"
DOI: 10.1109/tii.2020.2967543
Abstract: To improve the accuracy of the mover position detection with longer measurement range, a linear motor displacement measurement method is proposed based on digital image measurement and temporal sinusoidal fringe pattern phase retrieval. A simple… read more here.
Keywords: fringe; temporal sinusoidal; sinusoidal fringe; position ... See more keywords
Digital phase-shift method based on distance mapping for phase recovery of an ESPI fringe pattern.
Sign Up to like & getrecommendations! Published in 2023 at "Applied optics"
DOI: 10.1364/ao.482547
Abstract: In view of the limitation of the traditional method to recover the phase of the single fringe pattern, we propose a digital phase-shift method based on distance mapping for phase recovery of an electronic speckle… read more here.
Keywords: phase; fringe; distance; fringe pattern ... See more keywords
Depth-driven variable-frequency sinusoidal fringe pattern for accuracy improvement in fringe projection profilometry.
Sign Up to like & getrecommendations! Published in 2018 at "Optics express"
DOI: 10.1364/oe.26.019986
Abstract: Sinusoidal fringe pattern is widely used in optical profilometry; however, the traditional constant-frequency sinusoidal fringe pattern reduces 3D measurement accuracy in the defocus region. To this end, this paper presents a variable-frequency sinusoidal fringe pattern… read more here.
Keywords: sinusoidal fringe; frequency; accuracy; fringe ... See more keywords
DeepOrientation: convolutional neural network for fringe pattern orientation map estimation.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.465094
Abstract: Fringe pattern based measurement techniques are the state-of-the-art in full-field optical metrology. They are crucial both in macroscale, e.g., fringe projection profilometry, and microscale, e.g., label-free quantitative phase microscopy. Accurate estimation of the local fringe… read more here.
Keywords: orientation map; fringe; fringe pattern; deeporientation ... See more keywords