Estimation of Optimal Frequency of Spatial Modulation of the Radiation of 3D Measurements

Dvoinishnikov, S. V.; Meledin, V. G.; Главный, В. Г.; Naumov, I. V.; Chubov, A S

doi:10.1007/s11018-015-0745-8

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2019

2022

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Cited by 8 publications

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“…A method for estimating the optimal spatial modulation based on the spatial frequency analysis of the image observed by the photodetector is known [8]. The method is quite laborious and if the choice of structural lighting is unsuccessful, it may give an inaccurate estimate of the optimum frequency.…”

Section: Introductionmentioning

confidence: 99%

Adaptive Control of the Spatial Modulation Frequency in the Phase Triangulation Method

Dvoynishnikov¹,

Bakakin²,

Kulikov³

et al. 2019

dtetr

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The method for determining the optimal frequency of spatial modulation in the measurement of three-dimensional geometry by the method of phase triangulation is proposed. The method is based on the construction of the frequency response of the measuring system. The proposed approach makes it possible to use the optimal frequency of spatial modulation of an optical source in measurements of three-dimensional geometry by the method of phase steps and the Gray binary code. As a result, this method makes it possible to create a universal control algorithm that provides measurement of three-dimensional geometry by the method of phase steps with the smallest error.

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Section: Introductionmentioning

confidence: 99%