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Table 1 The existing vegetation indices used in this study

From: A robust vegetation index for remotely assessing chlorophyll content of dorsiventral leaves across several species in different seasons

Vegetation index

Formula

Reference

1/R700

1/R700

[31]

R 680

R 680

[18]

1/R700 − 1/R750

1/R700 − 1/R750

[1]

1/R550 − 1/R750

1/R550 − 1/R750

[1]

SD

Rλ1 − Rλ2

This paper

R750/R550

R750/R550

[32]

R750/R700

R750/R700

[32]

R860/R550

R860/R550

[33]

R672/R550

R672/R550

[33]

PSSR a

R800/R680

[17]

PSSR b

R800/R635

[17]

R800/R650

R800/R650

[18]

R800/R675

R800/R675

[18]

R450/R550

R450/R550

[34]

R750/R710

R750/R710

[35]

R950/R680

R950/R680

[36]

SR

Rλ1/Rλ2

This paper

NDI

(R750 − R705)/(R750 + R705)

[37]

PSND b

(R800 − R635)/(R800 + R635)

[17]

(R800 − R650)/(R800 + R650)

(R800 − R650)/(R800 + R650)

[18]

(R800 − R675)/(R800 + R675)

(R800 − R675)/(R800 + R675)

[18]

ND

|Rλ1 − Rλ2|/(Rλ1 + Rλ2)

This paper

D754/D704

D754/D704

[38]

RII

\(\int_{705}^{750} {({{R_{\lambda } } \mathord{\left/ {\vphantom {{R_{\lambda } } {R_{705} - 1}}} \right. \kern-0pt} {R_{705} - 1}})} d\lambda\)

[39]

D 730

D 730

[39]

D 710

D 710

[40]

D 740

D 740

[40]

VOG2

(R734 − R747)/(R715 + R726)

[23]

CARI

(|(a*670 + R670 + b)|/(a2 + 1)0.5)*(R700/R670)

[a = (R700 − R550)/150; b = R550 − (a*550)]

[41]

R672/(R550 × R708)

R672/(R550 × R708)

[33]

R860/(R550 × R708)

R860/(R550 × R708)

[33]

MCARI

[(R700 − R670) − 0.2*(R700 − R550)]*(R700/R670)

[42]

TCARI/OSAVI

3*[(R700 − R670) − 0.2*(R700 − R550)*(R700/R670)]/[(1 + 0.16)*(R800–R670)/(R800 + R670 + 0.16)]

[43]

TCARI

3*[(R700 − R670) − 0.2*(R700 − R550)*(R700/R670)]

[44]

R705/(R717 + R491)

R705/(R717 + R491)

[45]

R434/(R496 + R401)

R434/(R496 + R401)

[45]

(R850 − R710)/(R850 − R680)

(R850 − R710)/(R850 − R680)

[22]

(R719 − R726)/(R719 − R743)

(R719 − R726)/(R719 − R743)

[28]

MDATT index: (Rλ3 − Rλ1)/(Rλ3 − Rλ2)

MDATT index: (Rλ3 − Rλ1)/(Rλ3 − Rλ2)

This paper