...
首页> 外文期刊>Revista rvore >Avalia??o da classifica??o digital de povoamentos florestais em imagens de satélite através de índices de acurácia
【24h】

Avalia??o da classifica??o digital de povoamentos florestais em imagens de satélite através de índices de acurácia

机译:通过精度指数评估森林数字分类卫星图像

获取原文
           

摘要

The use of forest raw products has increased significantly in the last decades. The search for high productivity has led to the introduction of exotic species, mainly Eucalyptus sp. and Pinus sp. This work evaluated the precision of classification obtained from surveying forest implemented and natural stands in the region of the map area of Cachoeira do Sul - RS, using geoprocessing techniques, remote sensing, GIS (geographic information system) and GPS (global positioning system). It was verified that the area is occupied by natural vegetation (35.54%), Pinus sp. (1.89%) and Eucalyptus sp. (0.77%), with the following values precision in the supervised digital classification: Global precision (85.23%), Kappa (84.90%) and Tau (77.74%). It was concluded that the three accuracy indexes can be used, although Kappa and Tau were more consistent.
机译:在过去的几十年里,使用森林原料产品的使用显着增加。寻求高生产率导致引入异国情调的物种,主要是桉树SP。和Pinus sp。这项工作评估了使用地理处理技术,遥感,GIS(地理信息系统)和GPS(全球定位系统)的Cachoeira Do Sul - Rs地图区域所实施和自然所获得的分类和自然所获得的分类精度。验证了该地区由天然植被(35.54%),Pinus SP占据。 (1.89%)和桉树SP。 (0.77%),具有以下值精确的监督数字分类:全球精度(85.23%),Kappa(84.90%)和Tau(77.74%)。得出结论是,可以使用三种精度指标,尽管κ和tau更为一致。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号