Optimized Classification of Suspended Particles in Seawater by Dense Sampling of Polarized Light Pulses

Suspended particles affect the state and vitality of the marine ecosystem. In situ probing and accurately classifying the suspended particles in seawater have an important impact on ecological research and environmental monitoring. Individual measurement of the optical polarization parameters scatte...

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Autores principales:	Zhiming Guo, Hanbo Deng, Jiajin Li, Ran Liao, Hui Ma
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	classification suspended particles polarized light pulses dense sampling Chemical technology TP1-1185
Acceso en línea:	https://doaj.org/article/12d4b64d382d4e6f90ee28036edec9b8
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spelling	oai:doaj.org-article:12d4b64d382d4e6f90ee28036edec9b82021-11-11T19:17:21ZOptimized Classification of Suspended Particles in Seawater by Dense Sampling of Polarized Light Pulses10.3390/s212173441424-8220https://doaj.org/article/12d4b64d382d4e6f90ee28036edec9b82021-11-01T00:00:00Zhttps://www.mdpi.com/1424-8220/21/21/7344https://doaj.org/toc/1424-8220Suspended particles affect the state and vitality of the marine ecosystem. In situ probing and accurately classifying the suspended particles in seawater have an important impact on ecological research and environmental monitoring. Individual measurement of the optical polarization parameters scattered by the suspended particles has been proven to be a powerful tool to classify the particulate compositions in seawater. In previous works, the temporal polarized light pulses are sampled and averaged to evaluate the polarization parameters. In this paper, a method based on dense sampling of polarized light pulses is proposed and the experimental setup is built. The experimental results show that the dense sampling method optimizes the classification and increases the average accuracy by at least 16% than the average method. We demonstrate the feasibility of dense sampling method by classifying the multiple types of particles in mixed suspensions and show its excellent generalization ability by multi-classification of the particles. Additional analysis indicates that the dense sampling method basically takes advantage of the high-quality polarization parameters to optimize the classification performance. The above results suggest that the proposed dense sampling method has the potential to probe the suspended particles in seawater in red-tide early warning, as well as sediment and microplastics monitoring.Zhiming GuoHanbo DengJiajin LiRan LiaoHui MaMDPI AGarticleclassificationsuspended particlespolarized light pulsesdense samplingChemical technologyTP1-1185ENSensors, Vol 21, Iss 7344, p 7344 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	classification suspended particles polarized light pulses dense sampling Chemical technology TP1-1185
spellingShingle	classification suspended particles polarized light pulses dense sampling Chemical technology TP1-1185 Zhiming Guo Hanbo Deng Jiajin Li Ran Liao Hui Ma Optimized Classification of Suspended Particles in Seawater by Dense Sampling of Polarized Light Pulses
description	Suspended particles affect the state and vitality of the marine ecosystem. In situ probing and accurately classifying the suspended particles in seawater have an important impact on ecological research and environmental monitoring. Individual measurement of the optical polarization parameters scattered by the suspended particles has been proven to be a powerful tool to classify the particulate compositions in seawater. In previous works, the temporal polarized light pulses are sampled and averaged to evaluate the polarization parameters. In this paper, a method based on dense sampling of polarized light pulses is proposed and the experimental setup is built. The experimental results show that the dense sampling method optimizes the classification and increases the average accuracy by at least 16% than the average method. We demonstrate the feasibility of dense sampling method by classifying the multiple types of particles in mixed suspensions and show its excellent generalization ability by multi-classification of the particles. Additional analysis indicates that the dense sampling method basically takes advantage of the high-quality polarization parameters to optimize the classification performance. The above results suggest that the proposed dense sampling method has the potential to probe the suspended particles in seawater in red-tide early warning, as well as sediment and microplastics monitoring.
format	article
author	Zhiming Guo Hanbo Deng Jiajin Li Ran Liao Hui Ma
author_facet	Zhiming Guo Hanbo Deng Jiajin Li Ran Liao Hui Ma
author_sort	Zhiming Guo
title	Optimized Classification of Suspended Particles in Seawater by Dense Sampling of Polarized Light Pulses
title_short	Optimized Classification of Suspended Particles in Seawater by Dense Sampling of Polarized Light Pulses
title_full	Optimized Classification of Suspended Particles in Seawater by Dense Sampling of Polarized Light Pulses
title_fullStr	Optimized Classification of Suspended Particles in Seawater by Dense Sampling of Polarized Light Pulses
title_full_unstemmed	Optimized Classification of Suspended Particles in Seawater by Dense Sampling of Polarized Light Pulses
title_sort	optimized classification of suspended particles in seawater by dense sampling of polarized light pulses
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/12d4b64d382d4e6f90ee28036edec9b8
work_keys_str_mv	AT zhimingguo optimizedclassificationofsuspendedparticlesinseawaterbydensesamplingofpolarizedlightpulses AT hanbodeng optimizedclassificationofsuspendedparticlesinseawaterbydensesamplingofpolarizedlightpulses AT jiajinli optimizedclassificationofsuspendedparticlesinseawaterbydensesamplingofpolarizedlightpulses AT ranliao optimizedclassificationofsuspendedparticlesinseawaterbydensesamplingofpolarizedlightpulses AT huima optimizedclassificationofsuspendedparticlesinseawaterbydensesamplingofpolarizedlightpulses
_version_	1718431569285218304

Optimized Classification of Suspended Particles in Seawater by Dense Sampling of Polarized Light Pulses

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