植被指数在“北京一号”数据耕地提取中的应用研究  

Study on plant extraction with Beijing-1 small satellite using vegetation index

作　　者：吴卓蕾[1] 李伟建[2] 曾永年[1] 李见阳[3] 薛艳丽[4] 

机构地区：[1]中南大学测绘与国土信息工程系,长沙410083 [2]国家基础地理信息中心,北京100044 [3]四川省第三测绘工程院,成都610000 [4]中国测绘科学研究院,北京100039

出　　处：《测绘科学》2008年第2期98-100,共3页Science of Surveying and Mapping

摘　　要：本文旨在研究探讨适合我国最新发射的高性能对地观测"北京一号"小卫星影像中耕地提取方法。通过分析"北京一号"小卫星数据的波段特征,以山东曲阜多光谱图像为试验数据,计算典型的6种植被指数,在Erdas中建立模型,进行了耕地提取试验,并以灰度图像融合数据人工判读的结果作为参考数据,进行了精度评定。将适合"北京一号"小卫星数据的最佳植被指数提取模型应用于整个山东省的耕地提取中,得到修正植被指数提取模型,从而在"北京一号"小卫星数据耕地提取应用领域做了有效尝试。The purpose of our research is to study the best method to extract the plant in the images obtained by earth observation ＂Beijing-1＂ small satellite, which is high-powered and was launched by our country recently. Firstly, the spectrum feature of Beijing- 1 image is analyzed and 6 kinds of typical vegetation index are selected for extraction models. Then experiments are made to extract the plant with accurate assessment by manual interpretation. Lastly, the best vegetation index extraction model is used in extracting plant in Shandong province, and get corrected extraction model. So a useful attempt is made with ＂Beijing-1 ＂small satellite data in plant extraction utilization field.

关 键 词：“北京一号”小卫星 植被指数 耕地提取 提取模型 

分 类 号：TP79[自动化与计算机技术—检测技术与自动化装置]