摘要:从林业行业应用出发,针对国产GF-1卫星数据的特点,采用决策树分类方法对影像采伐信息进行提取,探索了国产GF-1卫星数据在森林资源采伐信息提取方面的应用关键技术,为国产卫星数据的行业推广应用奠定理论基础。研究结果表明:决策树分类方法能够更有效地对伐区图斑分类提取,经过Kappa分析,测试区伐区影像提取精度从大到小分别为:水域分类精度96.71%,森林分类精度89.79%,伐区分类精度82.49%,公路分类精度75.30%,农田分类精度71.18%,建筑分类精度56.26%,其他分类精度53.57%。总体分类精度为87.34%。
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