Light-field camera-based 3D volumetric particle image velocimetry with dense ray tracing reconstruction technique

S Shi, J Ding, TH New, J Soria - Experiments in Fluids, 2017 - Springer
This paper presents a dense ray tracing reconstruction technique for a single light-field
camera-based particle image velocimetry. The new approach pre-determines the location of …

Imaging flow velocimetry with laser Mie scattering

A Fischer - Applied Sciences, 2017 - mdpi.com
Imaging flow velocity measurements are essential for the investigation of unsteady complex
flow phenomena, eg, in turbomachines, injectors and combustors. The direct optical …

Plenoptic particle image velocimetry with multiple plenoptic cameras

TW Fahringer, BS Thurow - Measurement Science and …, 2018 - iopscience.iop.org
Plenoptic particle image velocimetry was recently introduced as a viable three-dimensional,
three-component velocimetry technique based on light field cameras. One of the main …

3D tracking velocimetry of L-PBF spatter particles using a single high-speed plenoptic camera

RD Fischer, M Moaven, D Kelly, S Morris… - Additive Manufacturing …, 2022 - Elsevier
Particle spatter is an unavoidable by-product of the Laser-Powder Bed Fusion (L-PBF)
process, as the high intensity of the incoming laser beam generates high vapor fluxes on the …

Comparison of three-dimensional particle tracking and sizing using plenoptic imaging and digital in-line holography

EM Hall, BS Thurow, DR Guildenbecher - Applied Optics, 2016 - opg.optica.org
Digital in-line holography (DIH) and plenoptic photography are two techniques for single-
shot, volumetric measurement of 3D particle fields. Here we present a comparison of the two …

Perspective on the development and application of light-field cameras in flow diagnostics

BS Thurow - Measurement Science and Technology, 2021 - iopscience.iop.org
Multi-camera flow diagnostics have made large gains in recent years in the field of three-
dimensional and multi-physics measurements. However, cost, complexity and optical access …

A pre-recognition SART algorithm for the volumetric reconstruction of the light field PIV

X Zhu, Z Wu, J Li, B Zhang, C Xu - Optics and Lasers in Engineering, 2021 - Elsevier
As a novel volumetric velocimetry technique, the light field particle image velocimetry (LF-
PIV) based on a single light field camera benefits from its single perspective configuration …

Spatial resolution of light field sectioning pyrometry for flame temperature measurement

Y Liu, M Zhu, T Wang, G Lei, MM Hossain… - Optics and Lasers in …, 2021 - Elsevier
The light field sectioning pyrometry (LFSP) has proven a significant advancement for in-situ
measurement of flame temperature through a single light field camera. However, the spatial …

Approach to select optimal cross-correlation parameters for light field particle image velocimetry

X Zhu, C Xu, MM Hossain, J Li, B Zhang, BC Khoo - Physics of Fluids, 2022 - pubs.aip.org
The light field particle image velocimetry (LF-PIV) has shown great potential for three-
dimensional (3D) flow measurement in space-constrained applications. Usually, the …

Fast and accurate flow measurement through dual-camera light field particle image velocimetry and ordered-subset algorithm

X Zhu, C Xu, MM Hossain, BC Khoo - Physics of Fluids, 2023 - pubs.aip.org
Light field particle image velocimetry (LF-PIV) can measure the three-dimensional (3D) flow
field via a single perspective and hence is very attractive for applications with limited optical …