Improving depth uncertainty in plenoptic camera-based velocimetry
Sign Up to like & getrecommendations! Published in 2024 at "Experiments in Fluids"
DOI: 10.1007/s00348-024-03780-6
Abstract: This work describes the development of a particle tracking velocimetry (PTV) algorithm designed to improve three-dimensional (3D), three-component velocity field measurements using a single plenoptic camera. Particular focus is on mitigating the longstanding depth uncertainty… read more here.
Keywords: depth uncertainty; velocimetry; plenoptic camera; particle ... See more keywords
Simulation of calibration process in flame measurement by plenoptic camera
Sign Up to like & getrecommendations! Published in 2018 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2018.02.065
Abstract: Abstract With the rise in research on the high-temperature reconstruction of flame, numerical simulation and experimental research on flame detection using plenoptic camera have become more numerous. This study simulates the calibration process of the… read more here.
Keywords: plenoptic camera; process flame; flame; simulation ... See more keywords
Design, fabrication, and optical imaging performance comparison of precision microlens arrays for application in plenoptic microscopy systems
Sign Up to like & getrecommendations! Published in 2025 at "Scientific Reports"
DOI: 10.1038/s41598-025-20460-5
Abstract: This study focuses on analyzing the characteristics of a microlens array produced by 3D diffusion lithography and the characteristics of the optical system based on the arrangement of the lenses. The microlens array, with an… read more here.
Keywords: plenoptic camera; microlens array; camera module; performance ... See more keywords
Modeling standard plenoptic camera by an equivalent camera array
Sign Up to like & getrecommendations! Published in 2020 at "Optical Engineering"
DOI: 10.1117/1.oe.59.7.073101
Abstract: Abstract. Postprocessing of light fields enables us to extract more information from a scene compared to traditional cameras. Plenoptic cameras and camera arrays are two common methods for light field capture. It has been long… read more here.
Keywords: standard plenoptic; light field; camera equivalent; plenoptic camera ... See more keywords
Volumetric calibration of a plenoptic camera.
Sign Up to like & getrecommendations! Published in 2018 at "Applied optics"
DOI: 10.1364/ao.57.000914
Abstract: The volumetric calibration of a plenoptic camera is explored to correct for inaccuracies due to real-world lens distortions and thin-lens assumptions in current processing methods. Two methods of volumetric calibration based on a polynomial mapping… read more here.
Keywords: plenoptic camera; calibration plenoptic; volumetric calibration; polynomial mapping ... See more keywords
Research on high-resolution imaging technology based on light field manipulation for a lenslet-based plenoptic camera.
Sign Up to like & getrecommendations! Published in 2018 at "Applied optics"
DOI: 10.1364/ao.57.009877
Abstract: In this paper, an aberration correction method for an extended target is proposed to solve the problem of the lenslet-based plenoptic camera not imaging clearly under the influence of aberrations. We propose a light field… read more here.
Keywords: light field; plenoptic camera; image; sub aperture ... See more keywords
Development of Plenoptic Camera as Wavefront Sensor
Sign Up to like & getrecommendations! Published in 2024 at "Defence Science Journal"
DOI: 10.14429/dsj.74.19923
Abstract: The accuracy of a signal decreases with an increase in distance and turbulence level in the fields of remote sensing ,freespaceopticalcommunication, and directed energy applications. Due to the optical effects in turbulent atmospheric conditions for… read more here.
Keywords: optics; wavefront sensor; plenoptic camera;
Transient Three-Dimensional Measurement of Ice Crystal Accretion Using a Plenoptic Camera
Sign Up to like & getrecommendations! Published in 2024 at "AIAA Journal"
DOI: 10.2514/1.j064079
Abstract: Monitoring the three-dimensional formation of ice layers on airfoils during icing wind tunnel experiments is extremely challenging. For the first time, this paper demonstrates the use of a single plenoptic camera to perform transient, nonintrusive… read more here.
Keywords: ice crystal; plenoptic camera; crystal accretion; camera ... See more keywords
Design of an FPGA Hardware Optimizing the Performance and Power Consumption of a Plenoptic Camera Depth Estimation Algorithm
Sign Up to like & getrecommendations! Published in 2021 at "Algorithms"
DOI: 10.3390/a14070215
Abstract: Plenoptic camera based system captures the light-field that can be exploited to estimate the 3D depth of the scene. This process generally consists of a significant number of recurrent operations, and thus requires high computation… read more here.
Keywords: power consumption; plenoptic camera; algorithm; power ... See more keywords
All-In-Focus Polarimetric Imaging Based on an Integrated Plenoptic Camera with a Key Electrically Tunable LC Device
Sign Up to like & getrecommendations! Published in 2022 at "Micromachines"
DOI: 10.3390/mi13020192
Abstract: In this paper, a prototyped plenoptic camera based on a key electrically tunable liquid-crystal (LC) device for all-in-focus polarimetric imaging is proposed. By using computer numerical control machining and 3D printing, the proposed imaging architecture… read more here.
Keywords: focus polarimetric; electrically tunable; camera; key electrically ... See more keywords
Optic flaws detection and location based on a plenoptic camera
Sign Up to like & getrecommendations! Published in 2017 at "Chinese Optics Letters"
DOI: 10.3788/col201715.041102
Abstract: In this Letter, we propose an on-line inspection method based on a plenoptic camera to detect and locate flaws of optics. Specifically, due to the extended depth of field of the plenoptic camera, a series… read more here.
Keywords: optics; plenoptic camera; detection location; based plenoptic ... See more keywords