Research Article

Land Cover and Forest Type Classification by Values of Vegetation Indices and Forest Structure of Tropical Lowland Forests in Central Vietnam

Table 2

Vegetation radiometric indices.

Vegetation indicesFormulaReferences

NDVI(B8 − B4)/(B8 + B4)[91]
IPVI[79]
GNDVI[92]
ARVIB8 − [B4 − γ (B4 − B2)]/B8 + [B4 − γ (B4 − B2)]
γ = gamma = 1
[80]
EVI
where: (G = 2.5; C1 = 6; C2 = 7.5; L = 1)
[93]
NDI45(B5 − B4)/(B5 + B4)[84]
RVIB8/B4[85]
DVIB8 − B4[82]
PVI,
where is the reflectance in NIR or red band and a and are soil line parameters
[88]
TNDVI[82]