%% $Date: 2012-07-06 17:42:54#$
%% $Revision: 148 $
\index{RVI}
\algdescgeneral{RVI}
%
{ %%%%%% Algorithm name %%%%%%
biophys\_indices (RVI is one index calculated within the overall program)
}
%
{ %%%%%% Algorithm summary %%%%%%
Calculation of Ratio Vegetation index (RVI)
}
%
{ %%%%%% Category %%%%%%
Biophysics - broad band VIS
}
%
{ %%%%%% Inputs %%%%%%
Multi- or hyperspectral imagery (ENVI standard image data) including channels close to the wavelengths of 671nm and 864nm.\bigskip
}
%
{ %%%%%% Outputs %%%%%%
Single band with RVI values
}
%
{ %%%%%% Formula %%%%%%
\begin{displaymath}
RVI = \frac{R_{864}}{R_{671}}
\end{displaymath}
}
%
{ %%%%%% Author %%%%%%
DLR-DFD
}
%
{ %%%%%% References %%%%%% 
Pearson, R. L., and L. D. Miller, 1972, Remote mapping of standing crop biomass for estimation of the productivity of the short-grass Prairie, Pawnee National Grassland,
Colorado: 8th international symposium on remote sensing of environment, p. 1357-1381
}


