FOREST RESOURCES WANAGEMENT ›› 2020›› Issue (4): 117-126.doi: 10.13466/j.cnki.lyzygl.2020.04.017
• Technical Application • Previous Articles Next Articles
LU Xianjian(), HUANG Yuhui, YAN Hongbo(), WEI Wanqiu, LI Zhenbao
Received:
2020-06-02
Revised:
2020-07-11
Online:
2020-08-28
Published:
2020-10-10
Contact:
YAN Hongbo
E-mail:2008056@glut.edu.cn;56403075@qq.com
CLC Number:
LU Xianjian, HUANG Yuhui, YAN Hongbo, WEI Wanqiu, LI Zhenbao. Research on Eucalyptus Extraction Based on Automatic Threshold Decision Tree Classification[J]. FOREST RESOURCES WANAGEMENT, 2020, (4): 117-126.
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URL: https://www.lyzygl.com.cn/EN/10.13466/j.cnki.lyzygl.2020.04.017
Tab.2
Validation area information table
序号 | 中心点位置 | 谷歌历史影像 面积/km2 | 分类结果 面积/km2 | 面积重复率/ % | 验证区说明 |
---|---|---|---|---|---|
验证区1 | 23° 2'3.90N 109° 9'47.13E | 0.0106 | 0.0117 | 90.59 | 平均海拔高度为280m,位于耕地后方,地形较为平坦,周围植被单一。 |
验证区2 | 23° 2'16.93N 109°10'0.98E | 0.0052 | 0.0063 | 82.54 | 平均海拔高度为324m,位于居民集聚地附近,周围植被种类较多。 |
验证区3 | 23° 2'59.29N 109°10'12.93E | 0.0131 | 0.0126 | 96.18 | 平均海拔高度为434m,位于山区,地势复杂,周围植被种类较少。 |
验证区4 | 23° 4'48.61N 109°10'35.86E | 0.0091 | 0.0108 | 84.26 | 平均海拔高度为439m,位于山区,地势陡峭,围植被种类较多。 |
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