Evaluation of EO-1 hyperion data for agricultural applications

被引：0

作者：

Anshu Miglani

S. S. Ray

R. Pandey

J. S. Parihar

机构：

[1] ISRO,ARG/RESIPA, Space Applications Center

[2] 1A-145,Project Directorate for Cropping Systems Research

[3] GIS Development Pvt. Ltd.,undefined

[4] ICAR,undefined

来源：

Journal of the Indian Society of Remote Sensing | 2008年 / 36卷

关键词：

Hyperion; Hyperspectral; Remote sensing; Atmospheric correction; Radiance; Principal component; Band selection; Band to band correlation;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The present study was carried out to evaluate the satellite-based hyperspectral data available from Hyperion onboard EO-1 of NASA for agricultural applications. The study was carried out for Daurala block of Meerut district, using data of March 2005. The preliminary data analysis showed that there are 196 usable bands out of a total of 242 bands. Principal component (PC) analysis showed that about 99% of the information explained in 10 PCs. The atmospherically corrected reflectance, derived from satellite data had good agreement with the ground reflectance, observed using handheld spectroradiometer, with r2 ranging from 0.85 to 0.98. A set of twenty most usable bands was selected by the criteria of maximum contribution to first five PCs and the band combinations with least inter-band correlations.

引用

页码：255 / 266

页数：11

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