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STRESS MONITORING OF MULBERRY PLANTS BY FINDING REP USING HYPERSPECTRAL DATA

International archives of the photogrammetry, remote sensing and spatial information sciences., 2017, Vol.XLII-1/W1, p.383-386 [Peer Reviewed Journal]

Copyright Copernicus GmbH 2017 ;ISSN: 2194-9034 ;ISSN: 1682-1750 ;EISSN: 2194-9034 ;DOI: 10.5194/isprs-archives-XLII-1-W1-383-2017

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  • Title:
    STRESS MONITORING OF MULBERRY PLANTS BY FINDING REP USING HYPERSPECTRAL DATA
  • Author: Bhosle, K. ; Musande, V.
  • Subjects: Accuracy ; Atmospheric correction ; Chlorophyll ; Chlorophylls ; Classification ; Crops ; Data ; Drought ; Extrapolation ; Ground truth ; Interpolation ; Methods ; Monitoring ; Plants (botany) ; Reflectance ; Remote sensing ; Spectra ; Vegetation ; Wavelengths
  • Is Part Of: International archives of the photogrammetry, remote sensing and spatial information sciences., 2017, Vol.XLII-1/W1, p.383-386
  • Description: Stressed on crop can be monitored using different indices. Red Edge position is good estimator for stress monitoring. The red edge position (REP) is strongly correlated with foliar chlorophyll content. Strong chlorophyll absorption causes the abrupt change in the 680–800 nm region of reflectance spectra of green vegetation. The red edge consist the point of maximum slope between red and near-infrared wavelengths. REP can be used to recognize green zone of the observation area. The REP is present in spectra for vegetation recorded by remote sensing methods. REP is clearer and significant in hyper spectral data as hyper spectral consist of more and continuous bands data. In this paper experiments were carried out for mulberry crop using USGS EO-1 Hyperion data. Atmospheric corrected data is used for classification. Classification is carried out on small cluster of 14 field samples. Ground truth is verified and classified by comparing with Hyperion data. REP is different for different stressed condition of crops and shows healthy and diseased crop condition. Nutritional stresses, diseases, drought of plants are detected using REP. Stressed and healthy field of mulberry are estimated by calculating REP using maximum first derivative, linear interpolation, linear extrapolation method. Finally REP is compared using above methods. It is noticeable difference of REP for healthy and stressed crop. The research indicates that overall accuracy using maximum first derivative was 92.85 % and it was more compared to other methods. Linear extrapolation gives less accuracy compared to linear interpolation method.
  • Publisher: Gottingen: Copernicus GmbH
  • Language: English
  • Identifier: ISSN: 2194-9034
    ISSN: 1682-1750
    EISSN: 2194-9034
    DOI: 10.5194/isprs-archives-XLII-1-W1-383-2017
  • Source: ProQuest Central
    DOAJ Directory of Open Access Journals
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