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Spatial resolution limits in extraction of BRDF feature from remote sensing image data

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3 Author(s)
Qiang Liu ; Lab. of Remote Sensing Inf. Sci., Chinese Acad. of Sci., Beijing, China ; Qinhuo Liu ; Menenti, M.

In the process of applying the theoretic results of BRDF model study to remote sensing image data, an important step is to extract BRDF features from multiangular images. Because of the limitations of registration, pixel alignment and the intrinsic scale scene, it is necessary to perform spatial average to the georeferenced multiangular images before extracting BRDF feature. Otherwise the feature will no be representative to the surface property. Based on the analysis of geometrical limitations, this paper discussed how the apparent BRDF feature changes from random to order after the spatial average.

Published in:

Geoscience and Remote Sensing Symposium, 2003. IGARSS '03. Proceedings. 2003 IEEE International  (Volume:2 )

Date of Conference:

21-25 July 2003