Structured light 3D shape measurement for translucent media base on deep Bayesian inference

Tan, Ji; Niu, Haipeng; Su, Wenqing; He, Zhaoshui

doi:10.1016/j.optlastec.2024.111758

Optics & Laser Technology

2025

DOI: 10.1016/j.optlastec.2024.111758

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Structured light 3D shape measurement for translucent media base on deep Bayesian inference

Ji Tan,

Haipeng Niu,

Wenqing Su

et al.

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Phase volume correlation approach for overcoming decorrelation in three-dimensional phase-sensitive optical coherence elastography

Ni,

Xie,

Zhu

et al. 2024

Opt. Express

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The dynamic measurement range in phase-sensitive optical coherence elastography (PhS-OCE) is limited for the phase decorrelation induced by pixel-level displacements in precision measurement, where the consideration of the time-resolved incremental method and in-plane pixels tracking method is insufficient to recover the phase holistically. This work presented a phase volume correlation (PVC) approach to handle the phase decorrelation in three-dimensional PhS-OCE. By utilizing the ability of the discontinuous source diagram to quantify voxel phase correlation levels, the PVC establishes a wrapped phase-matching equation aimed at optimizing the number of volumetric source distributions. The three-dimensional pixel-level motions in the deformed phase space can be evaluated by solving the optimization model for phase matching, thereby enabling the reconstruction of the volumetric phase variation corrupted by decorrelation. The large deformations experiments including diffident loadings, i.e., stretching, three-point bending, and light-cured, verified the proposed PPVC approach's of feasibility, reliability, and stability. The contribution of this work can dramatically enhance the dynamic measuring range in three-dimensional PhS-OCE.

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Phase volume correlation approach for overcoming decorrelation in three-dimensional phase-sensitive optical coherence elastography

Ni,

Xie,

Zhu

et al. 2024

Opt. Express

View full text Add to dashboard Cite

show abstract

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Structured light 3D shape measurement for translucent media base on deep Bayesian inference

Cited by 1 publication

References 38 publications

Phase volume correlation approach for overcoming decorrelation in three-dimensional phase-sensitive optical coherence elastography

Phase volume correlation approach for overcoming decorrelation in three-dimensional phase-sensitive optical coherence elastography

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