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 …

Computational flow visualization to reveal hidden properties of complex flow with optical and computational methods

J Huang, H Liu, S Zhu, Y Liu, EY Lam, W Cai - Cell Reports Physical …, 2024 - cell.com
Flow visualization has long played a crucial role in understanding complex fluid dynamics,
especially reactive flows, but traditional techniques face limitations in realizing the …

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 …

[HTML][HTML] 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 …

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 …

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 …

Improving depth uncertainty in plenoptic camera-based velocimetry

M Moaven, A Gururaj, V Raghav, B Thurow - Experiments in Fluids, 2024 - Springer
This work describes the development of a particle tracking velocimetry (PTV) algorithm
designed to improve three-dimensional (3D), three-component velocity field measurements …

Accurate weight coefficient estimation of multi-camera light field PIV through backpropagation neural network

X Zhu, C Xu, MM Hossain, Y Liu, BC Khoo - Measurement, 2024 - Elsevier
Volumetric velocity measurement through multi-camera light field particle image velocimetry
(LF-PIV) requires an accurate estimation of the weight coefficient (WC) of three-dimensional …