. 2018 Feb 12;8:2793. doi: 10.1038/s41598-018-21191-6

Table 4.

List of spectral vegetation indices cited in previous studies and established in this study.

SVIs	Formula	Literature
Simple ratio	SR₁ = R₈₀₀/R₅₅₀	⁴⁴
	SR₂ = R₇₅₀/R₅₅₀	⁴⁴
	SR₃ = R₈₀₀/R₆₈₀	In this study
	SR₄ = R₇₅₀/R₇₀₀	In this study
	SR₅ = R₈₀₀/R₆₇₀	⁴⁵
	SR₆ = R₇₉₅/R₆₇₀	In this study
	SR₇ = R₇₄₀/R₇₂₀	In this study
Green indices	Green I = R₅₇₀/R₆₇₀	³⁶
Disease–Water Stress Index	DSWI₁ = R₈₀₀/R₁₆₆₀	⁴⁶
	DSWI₂ = R₁₆₆₀/R₅₅₀	⁴⁶
	DSWI₃ = R₁₆₆₀/R₆₈₀	⁴⁶
	DSWI₄ = R₅₅₀/R₆₈₀	⁴⁶
	DSWI₅ = (R₈₀₀ + R₅₅₀)/(R₁₆₆₀ + R₆₈₀)	⁴⁶
Anth reflectance index	ARI = 1/R₅₅₀ − 1/R₇₀₀	⁴⁷
Moisture stress index	MSI = R₁₆₀₀/R₈₂₀	⁴⁸
Blue indices	BI = R₄₅₀/R₄₉₀	⁴⁹
Pigment specific simple ratio chlorophyll b	PSSR_b = R₈₀₀/R₆₃₅	⁵⁰
Pigment specific simple ratio carotenoids	PSSR_c = R₈₀₀/R₅₀₀	⁵⁰
Carotenoid indices	CI₁ = R₅₁₅/R₅₇₀	⁵¹
	CI₂ = R₅₂₀/R₅₀₀	⁵¹
Water index	WI = R₉₀₀/R₉₇₀	⁵²
Red edge	RE = R₇₅₀/R₇₁₀	²²
Vogelmann	Vog = R₇₄₀/R₇₂₀	⁵³
Redness index	RI = R₇₀₀/R₆₇₀	⁵⁴
Normalized difference vegetation index	NDVI = (R₈₀₀ − R₆₇₀)/(R₈₀₀ + R₆₇₀)	⁵⁵
Normalized difference	ND₁ = (R₈₀₀ − R₆₈₀)/(R₈₀₀ + R₆₈₀);	⁵⁶
	ND₂ = (R₇₅₀ − R₆₆₀)/(R₇₅₀ + R₆₆₀)	⁴⁴
	ND₃ = (R₇₅₀ − R₇₀₅)/(R₇₅₀ + R₇₀₅)	⁴⁴
	ND₄ = (R₇₅₅ − R₇₀₅)/(R₇₅₅ + R₇₀₅)	In this study
	ND₅ = (R₆₈₀ − R₅₀₀)/ R₇₅₀	In this study
Modified ND	mND = (R₇₅₀ − R₄₄₅)/(R₇₀₅ + + R₇₀₅ − R₄₄₅)	⁵⁷
Modified simple ratio	mSR₁ = (R₇₅₀ − R₄₄₅)/(R₇₀₅ + R₄₄₅)	⁵⁶
	${mSRI}_{2} = \frac{(R_{800} - R_{670}) - 1}{\sqrt{(R_{800} + R_{670})} + 1}$	⁵⁶
	mSRI₃ = (R₇₅₀ − R₄₄₅)/(R₇₅₀ + R₄₄₅)	In this study
NDWI-hyperion	NDWI-Hyp = (R₁₀₇₀ − R₁₂₀₀)/(R₁₀₇₀ + R₁₂₀₀)	⁵⁸
ND water index	NDWI = (R₈₆₀ − R₁₂₄₀)/(R₈₆₀ + R₁₂₄₀)	⁵⁹
Structure-intensive pigment index	SIPI = (R₈₀₀ − R₄₄₅)/(R₈₀₀ + R₆₈₀)	⁶⁰
Photochemical reflectance index	PRI₁ = (R₅₁₅ − R₅₃₁)/(R₅₁₅ + R₅₃₁)	⁶¹
	PRI₂ = (R₅₃₄ − R₅₆₅)/(R₅₃₄ + R₅₆₅)	⁶²
	PRI₃ = (R₅₃₀ − R₅₇₀)/(R₅₃₀ + R₅₇₀)	⁶³
Modified chlorophyll absorption in reflectance index	MCARI = [(R₇₀₀ − R₆₇₀)–0.2*(R₇₀₀ − R₅₅₀)]/(R₇₀₀/R₆₇₀)	⁶⁴
Transformed chlorophyll absorption in reflectance index	TCARI = 3[(R₇₀₀ − R₆₇₀)–0.2(R₇₀₀ − ₅₅₀)/(R₇₀₀/R₆₇₀)]	⁶⁵
Renormalized difference vegetation index	$RDVI = \frac{(R_{800} - R_{670})}{\sqrt{(R_{800} + R_{670})}}$	⁶⁶
Triangular veg. index	TVI = 0.5* 120(R₇₅₀ − R₅₅₀) − 200 R₆₇₀ − R₅₅₀)	⁶⁷
Average in the range of 750~850 nm	AVE = average between R₇₅₀ and R₈₅₀	⁶⁴
Modified chlorophyll-absorption-integral	$mCAI = \frac{(R_{752} + R_{545}) (R_{752} - R_{545})}{2} - \sum_{545 n m}^{752 n m} (R ⁎ 1.158)$	⁶⁸
Red green ratio index	$RGRI = \frac{\sum_{i = 635 n m}^{695 n m} R}{\sum_{i = 495 n m}^{555 n m} R}$	⁶⁹
Red edge position	REP = 700 + 40 (R_RE − R₇₀₀) /(R₇₄₀ − R₇₀₀)	⁷⁰
Blue green pigment indices	BGI₁ = R₄₀₀/R₅₅₀	⁷¹
	BGI₂ = R₄₅₀/R₅₅₀	⁷¹
Blue red pigment indices	BRI₁ = R₄₀₀/R₆₉₀	⁷¹
	BRI₂ = R₄₅₀/R₆₉₀	⁷¹
Lichtenthaler indices	LIC = R₄₄₀/R₇₄₀	⁷²
Carter Indices	CTR₁ = R₆₉₅/R₄₂₀	⁷³
	CTR₂ = R₆₉₅/R₇₆₀	⁷³
Modified triangular vegetation index	MTVI = 1.2(1.2(R₈₀₀ − R₅₅₀) − 2.5*(R₆₇₀ − R₅₅₀))	⁷⁴