On a yearly basis prediction of soil water content utilizing sar data: A machine learning and feature selection approach

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dc.authorid0000-0002-9368-8902en_US
dc.contributor.authorAcar, Emrullah
dc.contributor.authorÖzerdem, Mehmet Siraç
dc.date.accessioned2021-07-02T07:09:38Z
dc.date.available2021-07-02T07:09:38Z
dc.date.issued2020en_US
dc.departmentDicle Üniversitesi, Fen Bilimleri Enstitüsü, Elektrik - Elektronik Mühendisliği Ana Bilim Dalıen_US
dc.description.abstractSoil water content (SWC) performs an important role in many areas including agriculture, drought cases, usage of water resources, hydrology, crop diseases and aerology. However, the measurement of the SWC over large terrains with standard computational techniques is very hard. In order to overcome this situation, remote sensing tools are preferred, which can produce much more successful results in less time than standard calculation techniques. Among all remote sensing tools, synthetic aperture radar (SAR) has a significant impact on determining SWC over large terrains. The main objective of this study is to predict SWC on a yearly basis over the vegetation-covered terrains with the aid of different machine learning techniques and SAR based Radarsat-2 data, which obtained in 2015 and 2016 years.The proposed system consists of several stages, respectively. In the feature extraction stage, the backscatter coefficients of different polarizations and the parameters obtained from different models of decomposition (Freeman-Durden and H/A/α) were combined and nine polarimetric features were formed for each sample point. In the next stage, support vector regression (SVR), generalized regression neural network (GRNN) and adaptive neuro-fuzzy inference system (ANFIS) were employed for the prediction of SWC. In the last stage, a machine learning based feature selection was implemented to the obtained feature vectors for determining optimal feature sets. Finally, a feature set with 6 parameters was determined as most optimal feature set over the SWC prediction and a slightly better performance was observed thanks to this feature set compared to the other results.en_US
dc.identifier.citationAcar, E. ve Özerdem, M. S. (2020). On a yearly basis prediction of soil water content utilizing sar data: A machine learning and feature selection approach. Turkish Journal of Electrical Engineering and Computer Sciences, 28(4), 2316-2330.en_US
dc.identifier.doi10.3906/ELK-2002-99
dc.identifier.endpage2330en_US
dc.identifier.issn1300-0632
dc.identifier.issue4en_US
dc.identifier.scopus2-s2.0-85090129148
dc.identifier.scopusqualityQ2
dc.identifier.startpage2316en_US
dc.identifier.trdizinid513705
dc.identifier.urihttps://journals.tubitak.gov.tr/elektrik/issues/elk-20-28-4/elk-28-4-35-2002-99.pdf
dc.identifier.urihttps://hdl.handle.net/11468/7198
dc.identifier.urihttps://search.trdizin.gov.tr/yayin/detay/513705
dc.identifier.volume28en_US
dc.identifier.wosWOS:000553764300007
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakTR-Dizin
dc.institutionauthorÖzerdem, Mehmet Siraç
dc.language.isoenen_US
dc.publisherTurkiye Kliniklerien_US
dc.relation.ispartofTurkish Journal of Electrical Engineering and Computer Sciences
dc.relation.publicationcategoryMakale - Ulusal Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectAdaptive neurofuzzy inference systemen_US
dc.subjectFeature selectionen_US
dc.subjectGeneralized regression neural networken_US
dc.subjectSoil water contenten_US
dc.subjectSupport vector regressionen_US
dc.subjectSynthetic aperture radaren_US
dc.titleOn a yearly basis prediction of soil water content utilizing sar data: A machine learning and feature selection approachen_US
dc.titleOn a yearly basis prediction of soil water content utilizing sar data: A machine learning and feature selection approach
dc.typeArticleen_US

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