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Comparison of Modeling Performance Based on Vegetation Indices Derived from TM and ASTER Datasets
Author(s): LI MingShi, QI Jia, PENG Shikui, ZHOU Lin, MA Yixiu
Pages: 77-
80
Year: 2006
Issue:
3
Journal: FOREST RESOURCES MANAGEMENT
Keyword: ASTER; TM; 杨树; 植被指数; 建模性能;
Abstract: 在对TM、ASTER数据进行多种植被指数生成的基础上,结合研究区48个杨树样地的测树因子数据,分别就杨树单位面积蓄积量、杨树平均高和杨树年龄进行了遥感统计建模研究,通过植被指数及其变形式共65个特征对比结果表明,由ASTER数据派生的植被指数中RVI3(0.5)对于上述3个测树因子的估测性能最好,由TM数据导出的植被指数中则是DVI2对上述3个测树因子回归效果最好,从建模性能上分析,ASTER数据生成的植被指数要优于TM数据生成的植被指数.
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