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Proceedings Paper

Study of BRDF changing feature of winter wheat in different season
Author(s): Feng Zhao; Jin-di Wang; Shihao Tang; Guangjian Yan; Zi-ti Jiao; Xiaowen Li
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Paper Abstract

The anisotropic reflectance of vegetation canopy is mainly determined by its spectral and structural features, and can be described by Bidirectional Reflectance Distribution Function (BRDF). In this article, we select the winter wheat from the beginning of April to the beginning of May 2001 at Shunyi county, north of Beijing, as the research object, to study its BRDF changing rule with the changing time. In the process we compute the structural scattering index (SSI) by inverting the semiempirical linear kernel-driven BRDF model, and analyze its relation with the leaf area index (LAI) of winter wheat. The results show that there is a clear linear relationship between SSI and LAI of winter wheat. So SSI can well be used to reflect the seasonal BRDF changing rule of winter wheat.

Paper Details

Date Published: 25 September 2003
PDF: 4 pages
Proc. SPIE 5286, Third International Symposium on Multispectral Image Processing and Pattern Recognition, (25 September 2003); doi: 10.1117/12.539013
Show Author Affiliations
Feng Zhao, Beijing Normal Univ. (China)
Jin-di Wang, Beijing Normal Univ. (China)
Shihao Tang, Beijing Normal Univ. (China)
Guangjian Yan, Beijing Normal Univ. (China)
Zi-ti Jiao, Beijing Normal Univ. (China)
Xiaowen Li, Beijing Normal Univ. (China)
Institute of Remote Sensing Applications, CAS (China)
Boston Univ. (United States)

Published in SPIE Proceedings Vol. 5286:
Third International Symposium on Multispectral Image Processing and Pattern Recognition
Hanqing Lu; Tianxu Zhang, Editor(s)

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