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文學院
地理學系
地理研究
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地理研究
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http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/194
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The Integration of Hyperspectral and Radar Data to Enhance Urban Surface Features
(
地理學系
,
2001-11-??
)
陳哲銘
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都市地物的種類多樣,透過單一感測器的資料往往無法有效判別地物特徵,本研究利用「明暗-色相-飽和度轉換法」(Intensity-Hue-Saturation transformation)來融合空載超光譜(AVIRIS)和雷達(TOPSAR)影像,以整合超光譜影像所提供的高光譜解析力和雷達影像所提供的地表組織與粗糙度等資訊於單一的影像中,並將此整合的影像疊合TOPSAR所提供的數值地形模型(DEM)資料,產生三維立體影像。對臨近山坡地的都市地區,此方法所產生的三維立體影像,由於同時具有地物和地形特徵,未來可被應用於模擬泥流或土石流災害。
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