| HJ-1卫星CCD影像的土地利用自动分类及精度分析——以广西钦北区为例 |
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| 引用本文： | 何燕君,徐军,韦金丽.HJ-1卫星CCD影像的土地利用自动分类及精度分析——以广西钦北区为例[J].测绘与空间地理信息,2017,40(11). |
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| 作者姓名： | 何燕君 徐军 韦金丽 |
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| 作者单位： | 1. 广西壮族自治区基础地理信息中心,广西南宁,530023;2. 广西壮族自治区地理国情监测院,广西南宁,530023 |
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| 摘 要： | 为研究环境一号小卫星影像在土地利用研究领域的应用潜能,本文以广西钦北区为例,对其进行计算机监督分类,在评定监督分类模板精度的前提下,参照第二次全国土地调查农村数据库,对计算机监督分类结果进行精度评定,最后利用计算机自动地将分类结果发送到实地进行野外验证,并对分类的结果进行全面、准确的评价,以此证明提升环境一号CCD影像自动分类精度和准确度能满足土地利用现状调查的要求。
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| 关 键 词： | HJ-1卫星 CCD影像 土地利用 自动分类 精度分析 野外验证 |
Automatic Classification and Accuracy Analysis of HJ -1 CCD Image: Taking Qinbei Distirct of Guangxi as an Example |
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| HE Yan-jun,XU Jun,WEI Jin-li.Automatic Classification and Accuracy Analysis of HJ -1 CCD Image: Taking Qinbei Distirct of Guangxi as an Example[J].Geomatics & Spatial Information Technology,2017,40(11). |
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| Authors: | HE Yan-jun XU Jun WEI Jin-li |
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| Abstract: | In order to study the application potential of HJ -1 satellite imagery in the field of land use research , this paper takes the case of computerized supervision in Qinbei District of Guangxi as an example .Under the premise of assessing the precision of super-vised classification template , referring to the second national land survey Rural database , the accuracy of the classification of computer supervision was assessed , and finally according to the computer automatically send classification results to the field for field verifica -tion, the results of the classification of a comprehensive and accurate evaluation to prove that the HJ -1 CCD image automatic classifi-cation accuracy could meet the requirements of land use survey . |
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| Keywords: | HJ-1 CCD land use automatic classification accuracy analysis field verification |
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