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Proceedings Paper

Semi-empirical model for topographic/atmospheric correction in Jiangxi rugged area, China
Author(s): Jianguang Wen; Qinhuo Liu; Qing Xiao; Xiaowen Li
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Paper Abstract

A method based on BRDF for topographic correction and surface reflectance estimation from Landsat TM over rugged terrain is presented. The BRDF factor is used to remove the variation of relative solar incidence angle and relative sensor viewing angle per pixel. Solar direct radiance, sky diffuse radiance and adjacent terrain reflected radiance as well as atmospheric transmittance and path radiance are analyzed in detail and calculated in per pixel using a look up table (LUT) with a digital elevation model (DEM). The method is applied to a Landsat TM imagery that covers a rugged area in Jiangxi province, China. Results show that atmospheric and topographic correction based on BRDF factor gives better surface reflectance.

Paper Details

Date Published: 15 November 2007
PDF: 9 pages
Proc. SPIE 6787, MIPPR 2007: Multispectral Image Processing, 678721 (15 November 2007); doi: 10.1117/12.750671
Show Author Affiliations
Jianguang Wen, Institute of Remote Sensing Applications (China)
Qinhuo Liu, Institute of Remote Sensing Applications (China)
Qing Xiao, Institute of Remote Sensing Applications (China)
Beijing Research Institute of Uranium Geology (China)
Xiaowen Li, Institute of Remote Sensing Applications (China)

Published in SPIE Proceedings Vol. 6787:
MIPPR 2007: Multispectral Image Processing

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