Purevdo r J S,Tateishi R,Ishiyama T,et al. Relationship s between percent vegetation cover and vegetation indices[J].International Journal of Remote Sensing,1998,19 (18) :3519-3535.
Amiri R,Weng Q,Alimohammadi A.Spetial-temporal dynamics of land surface temperature in relation to fractional vegetation cover and land use/cover in the Tabriz urban area,Iran[J].Remote Sensing of Environment,2009,113(12):2606-2617.
Gitelson A A,Kaufman Y J,Stark R,et al.Novel algorithms for remote estimation of vegetation fraction[J]. Remote Sensing of Environment,2002,80(1):76-87.