基于高空间分辨率遥感数据的天山云杉树冠信息提取研究
|
|
刘玉锋, 潘英, 李虎
|
Study of crown information extraction of Picea schrenkiana var. tianschanicabased on high-resolution satellite remote sensing data
|
|
Yufeng LIU, Ying PAN, Hu LI
|
|
表1 样地识别株数与地面调查株数对照表
|
Tab.1 Table of tree numbers of auto identification and field work from different stands
|
|
| 样地编号 | 实测数量/株 | 识别数量/株 | 正确数量/株 | 遗漏数量/株 | 误判数量/株 | 立木株数识别精度/% | | 准确率 | 漏分率 | 误判率 | | 20120509 | 19 | 16 | 14 | 5 | 2 | 73.7 | 26.3 | 10.5 | | 20120510 | 14 | 17 | 13 | 1 | 4 | 92.9 | 7.1 | 28.6 | | 20120511 | 29 | 25 | 23 | 6 | 2 | 79.3 | 20.7 | 6.9 | | 20120512 | 27 | 24 | 22 | 5 | 2 | 81.5 | 18.5 | 7.4 | | 20120513 | 32 | 28 | 25 | 7 | 3 | 78.1 | 21.9 | 9.4 | | 20120909 | 41 | 35 | 30 | 11 | 5 | 73.2 | 26.8 | 12.2 | | 20120910 | 28 | 22 | 20 | 8 | 2 | 71.4 | 28.6 | 7.1 | | 20120911 | 21 | 24 | 20 | 1 | 4 | 95.2 | 4.8 | 19.0 | | 20120912 | 17 | 19 | 15 | 2 | 4 | 88.2 | 11.8 | 23.5 | | 20120913 | 30 | 27 | 26 | 4 | 1 | 86.7 | 13.3 | 3.3 | | 平均值 | 82.0 | 18.0 | 12.8 |
|
|
|