Models for polarimetric LIDAR imaging for vision through underwater turbid media

LIDAR imaging systems offer one of the highest resolution for three dimensional point cloud images; however, its use is constrained by multiple limitations. A significant limitation is the requirement for uniform transmission media. In turbid media, distance cannot be accurately measured, and backsc...

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Detalles Bibliográficos
Autor: Lazaro Samon, Marc
Tipo de recurso: tesis de maestría
Fecha de publicación:2025
País:España
Institución:Universitat Politècnica de Catalunya (UPC)
Repositorio:UPCommons. Portal del coneixement obert de la UPC
Idioma:inglés
OAI Identifier:oai:upcommons.upc.edu:2117/452381
Acceso en línea:https://hdl.handle.net/2117/452381
Access Level:acceso abierto
Palabra clave:Three-dimensional imaging
Monte Carlo method
Light--Scattering
LIDAR
Monte Carlo
Underwater turbid media
Polarimetry
Imatgeria tridimensional
Montecarlo, Mètode de
Llum--Dispersió
Àrees temàtiques de la UPC::Ciències de la visió::Òptica física::Llum
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spelling Models for polarimetric LIDAR imaging for vision through underwater turbid mediaLazaro Samon, MarcThree-dimensional imagingMonte Carlo methodLight--ScatteringLIDARMonte CarloUnderwater turbid mediaPolarimetryImatgeria tridimensionalMontecarlo, Mètode deLlum--DispersióÀrees temàtiques de la UPC::Ciències de la visió::Òptica física::LlumLIDAR imaging systems offer one of the highest resolution for three dimensional point cloud images; however, its use is constrained by multiple limitations. A significant limitation is the requirement for uniform transmission media. In turbid media, distance cannot be accurately measured, and backscattering noise from suspended particles can lead to false positives. The study of turbid media has usually been concentrated on fog, due to its relevance for autonomous terrestrial vehicles. Such studies typically use Monte Carlo simulations with spherical particle models. In contrast, particles in underwater media need to be modeled using spheroids because of their irregular shape, which increases computational demands. In this thesis, a Monte Carlo simulation originally developed for light scattering in fog has been adapted to adapt to the experimental conditions used, while proposing a simplified underwater turbid media model. The simplified model consists of a combination of spherical and infinitely long cylinder particles in varying proportions and radii to obtain the Mueller matrix of the media. This matrix can be evaluated on axis for multiple wavelengths or as an image for a single wavelength. The model is used to determine the effective radius for poly-disperse spherical particles with on-axis measurements validation using an Exicor I50 XT polarimeter. Finally, an analysis of the effects of different particle geometries on the photon trajectory and polarization states is performed.Universitat Politècnica de CatalunyaRoyo Royo, SantiagoBallesta Garcia, Maria20252025-07-1720262026-02-02master thesishttp://purl.org/coar/resource_type/c_bdccNAhttp://purl.org/coar/version/c_be7fb7dd8ff6fe43info:eu-repo/semantics/masterThesisapplication/pdfhttps://hdl.handle.net/2117/452381reponame:UPCommons. Portal del coneixement obert de la UPCinstname:Universitat Politècnica de Catalunya (UPC)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2info:eu-repo/semantics/openAccessoai:upcommons.upc.edu:2117/4523812026-05-27T15:37:01Z
dc.title.none.fl_str_mv Models for polarimetric LIDAR imaging for vision through underwater turbid media
title Models for polarimetric LIDAR imaging for vision through underwater turbid media
spellingShingle Models for polarimetric LIDAR imaging for vision through underwater turbid media
Lazaro Samon, Marc
Three-dimensional imaging
Monte Carlo method
Light--Scattering
LIDAR
Monte Carlo
Underwater turbid media
Polarimetry
Imatgeria tridimensional
Montecarlo, Mètode de
Llum--Dispersió
Àrees temàtiques de la UPC::Ciències de la visió::Òptica física::Llum
title_short Models for polarimetric LIDAR imaging for vision through underwater turbid media
title_full Models for polarimetric LIDAR imaging for vision through underwater turbid media
title_fullStr Models for polarimetric LIDAR imaging for vision through underwater turbid media
title_full_unstemmed Models for polarimetric LIDAR imaging for vision through underwater turbid media
title_sort Models for polarimetric LIDAR imaging for vision through underwater turbid media
dc.creator.none.fl_str_mv Lazaro Samon, Marc
author Lazaro Samon, Marc
author_facet Lazaro Samon, Marc
author_role author
dc.contributor.none.fl_str_mv Royo Royo, Santiago
Ballesta Garcia, Maria
dc.subject.none.fl_str_mv Three-dimensional imaging
Monte Carlo method
Light--Scattering
LIDAR
Monte Carlo
Underwater turbid media
Polarimetry
Imatgeria tridimensional
Montecarlo, Mètode de
Llum--Dispersió
Àrees temàtiques de la UPC::Ciències de la visió::Òptica física::Llum
topic Three-dimensional imaging
Monte Carlo method
Light--Scattering
LIDAR
Monte Carlo
Underwater turbid media
Polarimetry
Imatgeria tridimensional
Montecarlo, Mètode de
Llum--Dispersió
Àrees temàtiques de la UPC::Ciències de la visió::Òptica física::Llum
description LIDAR imaging systems offer one of the highest resolution for three dimensional point cloud images; however, its use is constrained by multiple limitations. A significant limitation is the requirement for uniform transmission media. In turbid media, distance cannot be accurately measured, and backscattering noise from suspended particles can lead to false positives. The study of turbid media has usually been concentrated on fog, due to its relevance for autonomous terrestrial vehicles. Such studies typically use Monte Carlo simulations with spherical particle models. In contrast, particles in underwater media need to be modeled using spheroids because of their irregular shape, which increases computational demands. In this thesis, a Monte Carlo simulation originally developed for light scattering in fog has been adapted to adapt to the experimental conditions used, while proposing a simplified underwater turbid media model. The simplified model consists of a combination of spherical and infinitely long cylinder particles in varying proportions and radii to obtain the Mueller matrix of the media. This matrix can be evaluated on axis for multiple wavelengths or as an image for a single wavelength. The model is used to determine the effective radius for poly-disperse spherical particles with on-axis measurements validation using an Exicor I50 XT polarimeter. Finally, an analysis of the effects of different particle geometries on the photon trajectory and polarization states is performed.
publishDate 2025
dc.date.none.fl_str_mv 2025
2025-07-17
2026
2026-02-02
dc.type.none.fl_str_mv master thesis
http://purl.org/coar/resource_type/c_bdcc
NA
http://purl.org/coar/version/c_be7fb7dd8ff6fe43
dc.type.openaire.fl_str_mv info:eu-repo/semantics/masterThesis
format masterThesis
dc.identifier.none.fl_str_mv https://hdl.handle.net/2117/452381
url https://hdl.handle.net/2117/452381
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Universitat Politècnica de Catalunya
publisher.none.fl_str_mv Universitat Politècnica de Catalunya
dc.source.none.fl_str_mv reponame:UPCommons. Portal del coneixement obert de la UPC
instname:Universitat Politècnica de Catalunya (UPC)
instname_str Universitat Politècnica de Catalunya (UPC)
reponame_str UPCommons. Portal del coneixement obert de la UPC
collection UPCommons. Portal del coneixement obert de la UPC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,812429

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