대한원격탐사학회지 (Korean Journal of Remote Sensing)

  • 제22권5호
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  • Pages.379-383
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  • 2006
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  • 1225-6161(pISSN)
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  • 2287-9307(eISSN)
대한원격탐사학회 (Korean Society of Remote Sensing)
권호 표지
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Atmospheric Aerosol Detection And Its Removal for Satellite Data

  • Lee, Dong-Ha (Advanced Environmental Monitoring Research Center (ADEMRC), Gwangju Institute of Science & Technology (GIST)) ;
  • Lee, Kwon-Ho (Advanced Environmental Monitoring Research Center (ADEMRC), Gwangju Institute of Science & Technology (GIST)) ;
  • Kim, Young-Joan (Advanced Environmental Monitoring Research Center (ADEMRC), Gwangju Institute of Science & Technology (GIST))
  • 발행 : 2006.10.31
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초록

Satellite imagery may contain large regions covered with atmospheric aerosol. A highresolution satellite imagery affected by non-homogenous aerosol cover should be processed for land cover study and perform the radiometric calibration that will allow its future application for Korea Multi-Purpose Satellite (KOMPSAT) data. In this study, aerosol signal was separated from high resolution satellite data based on the reflectance separation method. Since aerosol removal has a good sensitivity over bright surface such as man-made targets, aerosol optical thickness (AOT) retrieval algorithm could be used. AOT retrieval using Look-up table (LUT) approach for utilizing the transformed image to radiometrically compensate visible band imagery is processed and tested in the correction of satellite scenery. Moderate Resolution Imaging Spectroradiometer (MODIS), EO-l/HYPERION data have been used for aerosol correction and AOT retrieval with different spatial resolution. Results show that an application of the aerosol detection for HYPERION data yields successive aerosol separation from imagery and AOT maps are consistent with MODIS AOT map.

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참고문헌

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