An alternative method to compute the component fractions in the geometrical optical model: visual computing method |
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Authors: | Hong-Bo Su Ren-Hua Zhang Xin-Zhai Tang Xiao-Min Sun Zhi-Lin Zhu Zhao-Liang Li |
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Institution: | Inst. of Geogr. Sci. & Natural Resources Res., Chinese Acad. of Sci., Beijing, China; |
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Abstract: | A method called visual computing was used to solve angular four-components' proportions and directional vegetation cover fraction for discrete canopies and continuous row-planted plants. It proved effective to predict the angular characteristics on pixel scale. The method could be an alternative way to a classical solution of geometrical optical models. A visual computing method would be effective especially when the canopies' spatial distribution and shapes were irregular and could not be described statistically. |
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