|
|||||
|
|
| 利用面向对象方法提取湿地信息 | |
| 引用本文： | 孙永军,童庆禧,秦其明.利用面向对象方法提取湿地信息[J].国土资源遥感,2008(1):79-82,I0005. |
| 作者姓名： | 孙永军 童庆禧 秦其明 |
| 作者单位： | 1. 北京大学遥感与地理信息系统研究所,北京,100871;中国国土资源航空物探遥感中心,北京,100083 2. 北京大学遥感与地理信息系统研究所,北京,100871;中国科学院遥感应用研究所遥感科学国家重点实验室,北京,100101 3. 北京大学遥感与地理信息系统研究所,北京,100871 |
| 摘 要： | 利用面向对象方法和ETM数据提取湿地信息.选取的试验区位于黄河源区,提取的湿地信息包括沼泽湿地和湖泊湿地.该方法通过图像分割、类型划分、特征选取与分类以及精度评价等4个步骤实现.试验结果表明,面向对象方法能够有效提取湿地信息,提取的图斑边界平滑,避免了椒盐状破碎图斑.该方法可以推广应用到其它地区,它在一定程度上能提高信息提取自动化程度,减少工作量,提高工作效率. |
| 关 键 词： | 面向对象方法 ETM数据 湿地 信息提取 |
| 文章编号： | 1001-070X（2008）01-0079-04 |
| 收稿时间： | 2007-10-02 |
| 修稿时间： | 2007-12-20 |
THE OBJECT-ORIENTED METHOD FOR WETLAND INFORMATION EXTRACTION |
|
| SUN Yong-jun,TONG Qing-xi,QIN Qi-ming.THE OBJECT-ORIENTED METHOD FOR WETLAND INFORMATION EXTRACTION[J].Remote Sensing for Land & Resources,2008(1):79-82,I0005. | |
| Authors: | SUN Yong-jun TONG Qing-xi QIN Qi-ming |
| Abstract: | This paper deals with the utilization of the object - oriented method to extract wetland information from the Landsat ETM image. The test area is located in the source area of the Yellow River, and the wetland informa- tion extracted includes that of swamps and lakes. The object - oriented method consists of four steps, i.e. , image segmentation, class hierarchy building, feature choice and classification, and precision evaluation. The test results show that the object - oriented method can effectively extract wetland information with smooth borders and avoid the pepper shape effect. With some adjustment the method can be widely applied to other areas. It can raise the auto- mation degree of information extraction, reduce artificial workload and improve working efficiency. |
| Keywords: | Object - oriented method ETM image Wetland Information extraction |
| 本文献已被 维普 万方数据 等数据库收录！ | |