Index-Based Built-Up Index
(((S1-N)/(S1+N))-(((N-R)*(1.0+L)/(N+R+L))+((G-S1)/(G+S1)))/2.0)/(((S1-N)/(S1+N))+(((N-R)*(1.0+L)/(N+R+L))+((G-S1)/(G+S1)))/2.0)
S1 · N · R · G
urbaninfrastructureSentinel-2Landsat-OLILandsat-TMLandsat-ETM+MODIS