Realization of Topographic Correction Based on CBERS-02B HR Data

Abstract

Abstract:

As the first satellite, which can provide highest spatial resolution image data in China, CBERS-02B has been widely used in territorial resources, agriculture, forestry, water conservancy, environmental protection, disaster monitoring, mapping, urban planning and so on. Mountain topography has obvious effect on the character retrival of mountain terrain surface. DEM data accuracy effect on the topographic correction was analysized. Several correction methods, such as C correction, SCS+C correction, Minnaert correction and Ekstrand-r correction, were compared and the correction results were evaluated. The results indicate that former correction methods are also fit for the HR data correction of CBERS-02B image, which will provide basis for the CBERS-02B image correction.

Key words: topographic correction, digital elevation model, CBERS-02B image, C correction, SCS+C correction, Minnaert correction, Ekstrand-r correction

CLC Number:

P962

QIN Hui-Ping, YI Wei-Ning. Realization of Topographic Correction Based on CBERS-02B HR Data[J]. Journal of Atmospheric and Environmental Optics, 2014, 9(5): 370-375.

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