地球信息科学学报 ›› 2016, Vol. 18 ›› Issue (9): 1259-1266.doi: 10.3724/SP.J.1047.2016.01259
收稿日期:
2015-09-11
修回日期:
2015-12-17
出版日期:
2016-09-27
发布日期:
2016-09-27
作者简介:
作者简介:郭昱杉(1992-),女,硕士生,研究方向为遥感与地理信息系统的应用。E-mail:
基金资助:
GUO Yushan1,2, LIU Qingsheng1,*(), LIU Gaohuan1, HUANG Chong1
Received:
2015-09-11
Revised:
2015-12-17
Online:
2016-09-27
Published:
2016-09-27
Contact:
LIU Qingsheng
摘要:
树冠是树木的重要组成,可以直接反映树木健康状况。高空间分辨率遥感影像和遥感技术为快速获取详细的树冠信息和实时监测林冠变化提供了有效的途径。因此,基于高空间分辨率遥感影像的单木树冠提取方法研究对现代森林管理具有重要意义。本文以黄河三角洲地区孤岛林场人工刺槐林和旱柳为研究对象,以QuickBird影像为数据源,首先利用面向对象方法实现研究区林地和非林地分类;然后以林地为掩膜,提取出树冠分布范围;在此基础上,分别选取疏林区和密林区为试验区域,通过形态学开闭重建滤波,平滑图像,去除噪声;最后,利用标记控制分水岭分割方法分别对疏林区和密林区进行树冠提取。本文以人工勾绘结果为参考进行精度验证,结果显示疏林区F测度达到87.8%,密林区F测度达到65.5%,表明该提取方法简单易行,精度可靠。
郭昱杉, 刘庆生, 刘高焕, 黄翀. 基于标记控制分水岭分割方法的高分辨率遥感影像单木树冠提取[J]. 地球信息科学学报, 2016, 18(9): 1259-1266.DOI:10.3724/SP.J.1047.2016.01259
GUO Yushan,LIU Qingsheng,LIU Gaohuan,HUANG Chong. Individual Tree Crown Extraction of High Resolution Image Based on Marker-controlled Watershed Segmentation Method[J]. Journal of Geo-information Science, 2016, 18(9): 1259-1266.DOI:10.3724/SP.J.1047.2016.01259
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