植物叶片生化组分遥感反演的波段选择  

Bands Selection to Invert Remote Sensing Model for Retrieving the Leaf Biochemical Components

作　　者：马维维[1] 张连蓬[1] 马向华[2] 陈士城[1] 郭洋洋[1] 

机构地区：[1]徐州师范大学测绘学院,江苏徐州221116 [2]上海达华测绘有限公司生产部,上海200136

出　　处：《测绘科学技术学报》2011年第3期208-212,共5页Journal of Geomatics Science and Technology

基　　金：国家自然科学基金资助项目(40771143)

摘　　要：遥感模型PROSPECT可以反演植物叶片生化组分,不同的波段组合将会导致不同的反演结果。提出了一种带约束波段相关性最小原则的波段选择算法,并用模拟数据和实测数据对所选波段的效果进行了验证。结果表明:对于模拟数据,反演准确率超过99%;对于实测数据,叶绿素和水分的反演精度稍有提高,干物质的反演精度提高较明显。The remote sensing radiative transfer model PROSPECT may be used to retrieve the biochemical components of vegetation leaf,the inversion accuracy may be influenced by the bands combination.A bands selection method based on the constrained least correlation of wavebands was proposed.Inverted results based on the selected bands were validated and compared with the results of full bands based method for simulation and measured data.The results showed that,for simulation data,the inversion accuracy of the proposed methods was above 99%;for measured data,the inversion accuracy of chlorophyll and water based on the selected bands was promoted slightly and the accuracy of dry matter was promoted significantly.

关 键 词：PROSPECT模型 生化组分 反演 波段选择 波段相关性 

分 类 号：P237[天文地球—摄影测量与遥感]