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Vicarious Calibration-based Robust Spectrum Measurement for Spectral Libraries Using a Hyperspectral Imaging System

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dc.contributor.authorChi, Junhwa-
dc.date.accessioned2019-01-18T10:00:03Z-
dc.date.available2019-01-18T10:00:03Z-
dc.date.issued2018-
dc.identifier.issn1225-6161-
dc.identifier.urihttp://repository.kopri.re.kr/handle/201206/9532-
dc.description.abstractThe aim of this study is to develop a protocol for obtaining spectral signals that are robust to varying lighting conditions, which are often found in the Polar regions, for creating a spectral library specific to those regions. Because hyperspectral image (HSI)-derived spectra are collected on the same scale as images, they can be directly associated with image data. However, it is challenging to find precise and robust spectra that can be used for a spectral library from images taken under different lighting conditions. Hence, this study proposes a new radiometric calibration protocol that incorporates radiometric targets with a traditional vicarious calibration approach to solve issues in image-based spectrum measurements. HSIs obtained by the proposed method under different illumination levels are visually uniform and do not include any artifacts such as stripes or random noise. The extracted spectra capture spectral characteristics such as reflectance curve shapes and absorption features better than those that have not been calibrated. The results are also validated quantitatively. The calibrated spectra are shown to be very robust to varying lighting conditions and hence are suitable for a spectral library specific to the Polar regions.en_US
dc.language영어-
dc.language.isoenen_US
dc.subjectOther natural scienceen_US
dc.subject.classification기타()en_US
dc.titleVicarious Calibration-based Robust Spectrum Measurement for Spectral Libraries Using a Hyperspectral Imaging Systemen_US
dc.title.alternative초분광 이미징 시스템을 이용한 대리보정 기반 분광라이브러리 구축 연구en_US
dc.typeArticleen_US
dc.identifier.bibliographicCitationChi, Junhwa. 2018. "Vicarious Calibration-based Robust Spectrum Measurement for Spectral Libraries Using a Hyperspectral Imaging System". <em>대한원격탐사학회지</em>, 34(4): 649-659.en_US
dc.citation.title대한원격탐사학회지en_US
dc.citation.volume34en_US
dc.citation.number4en_US
dc.identifier.doi10.7780/kjrs.2018.34.4.7-
dc.citation.startPage649en_US
dc.citation.endPage659en_US
dc.description.articleClassificationKCI등재-
dc.description.jcrRateJCR 2016:0en_US
dc.subject.keywordHyperspectral imagingen_US
dc.subject.keywordIllumination robustnessen_US
dc.subject.keywordImaging spectroscopyen_US
dc.subject.keywordSpectral libraryen_US
dc.subject.keywordVicarious calibrationen_US
dc.identifier.localId2018-0144-
Appears in Collections  
2016-2017, Development of hyperspectral remote sensing data acquisition protocol for polar spectral library (16-17) / 지준화
2016-2017, Development of hyperspectral remote sensing data acquisition protocol for polar spectral library (16-17) / 지준화
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