DEM辅助的卫星光学遥感影像山体阴影检测与地形辐射校正
DEM辅助的卫星光学遥感影像山体阴影检测与地形辐射校正
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Beijing: Surveying and Mapping Press
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Beijing: Surveying and Mapping Press
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提出一种结合DEM的山体阴影检测与地形辐射校正方法。首先对卫星影像多波段信息用特征法进行阴影检测,然后结合DEM数据用模型法进行山体背阴面检测以及投影区域检测,将3个结果综合分析,按照形成原因将阴影检测结果分为8类,最后结合太阳入射角信息,利用信息匹配的阴影补偿法和地形辐射校正物理模型,进行卫星光学遥感影像辐射校正。试验证明该方法能恢复山体阴影区的信息,并且有效降低地形效应的影响。
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DEM辅助的卫星光学遥感影像山体阴影检测与地形辐射校正
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TN_cdi_wanfang_journals_chxb201801013
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https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_wanfang_journals_chxb201801013
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1001-1595
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1001-1595
DOI
10.11947/j.AGCS.2018.20170194