diff --git a/resources/VI.md b/resources/VI.md index 8a1f09c..e8e9ea9 100644 --- a/resources/VI.md +++ b/resources/VI.md @@ -32,103 +32,74 @@ - PSRI (plant senescence reflectance index) - (R680-R500) / R750 - CAR1 (carotenoid reflectance index 1) - (1/R510) - (1/R550) + - (1/R510) - (1/R550) - CAR2 (carotenoid reflectance index 2) - (1/R510) - (1/R700) + - (1/R510) - (1/R700) - ANTH1 (anthocyanin reflectance index 1) - (1/R550) - (1/R700) -- ANTH2 - Anthocyanin reflectance index 2 - R800 * (1/R550-1/R700) -- NBNDVI - Narrowband normalized difference vegetation index - (R850-R680) / (R850+R680) -* NRI - Nitrogen reflectance index - (R570-R670) / (R570+R670) -* TCARI - Transformed chlorophyll absorption and reflectance index - 3 * (R700-R600-(R700-R550) * (R700/(R850+R670))) -* PhRI - Physiological reflectance index - (R550-R531) / (R550+R531) -* NPCI - Normalized pigment chlorophyll ratio index - (R680-R450) / (R680+R450) -* HI - Health index - (R534-R698) / (R534+R698) - 0.5*R704 -* CLS - Cercospora leaf spot index - (R698-R570) / (R698+R570) - R734 -* SBRI - Sugar beet rust index - (R570-R513) / (R570+R513) + 0.5*R704 -* PMI - Powdery mildew index - (R520-R584) / (R520+R584) + R724 -* IGI - Image guided index - R1529 / R1416 -* SRC - Simple ratio contrast - R1459 / R1129 -* WC - Weber contrast - (R1459-R1129) / R1129 -* MC - Michelson contrast - (R1460-R1421) / (R1460+R1421) -* WBI - Water band index - R900 / R970 -* MSI - Moisture stress index - R1599 / R819 -* NDWI - Normalized difference water index - (R857-R1241) / (R857+R1421) -* swirNDVI1 - Shortwave infrared normalized difference vegetation index - (R1080-R1460) / (R1080+R1460) -* swirNDVI2 - Shortwave infrared normalized difference vegetation index 2 - (R1080-R1570) / (R1080+R1570) -* swirNDVI3 - Shortwave infrared normalized difference vegetation index 3 - (R1080-R1660) / (R1080+R1660) -* swirNDVI4 - Shortwave infrared normalized difference vegetation index 4 - (R1080-R2180) / (R1080+R2180) -* TVI - Transformed vegetation index - abs(NDVI+0.5) / abs(NDVI+0.5) * sqrt(abs(NDVI+0.5)) -* NDGI - Normalized difference greenness index - (AvgReflectance(500:600)-AvgReflectance(600:700)) / (AvgReflectance(500:600)+AvgReflectance(600:700)) -* RI - Redness index - (AvgReflectance(600:700)-AvgReflectance(500:600)) / (AvgReflectance(600:700)+AvgReflectance(500:600)) -* MSAVI - Modified soil adjusted vegetaion index - 0.5 * (2*R800 + 1 - sqrt((2*(R800+1)^2)-8*(R800-R670))) -* VDVI - Visible band difference vegetation index - Red = AvgReflectance(600:700) - Green = AvgReflectance(500:600) - Blue = AvgReflectance(400:500) - VDVI = (2*Green-Red-Blue) / (2*Green+Red+Blue); -* NDNI - Normalized difference nitrogen index - (log10(1/R1510)-log10(1/R1680)) / (log10(1/R1510)+log10(1/R1680)) -* NDLI - Normalized difference lignin index - (log10(1/R1754)-log10(1/R1680)) / (log10(1/R1754)+log10(1/R1680)) -* NMDI - Normalized multiband drought index - (R860-(R1640-R2130)) / (R860+(R1640-R2130)) -* NLI - Nonlinear index - Red = AvgReflectance(600:700) - NIR = AvgReflectance(800:1000) - NLI = (NIR^2-Red) / (NIR^2+Red) + - (1/R550) - (1/R700) + +- ANTH2 (Anthocyanin reflectance index 2) + - R800 * (1/R550-1/R700) +- NBNDVI (narrowband normalized difference vegetation index) + - (R850-R680) / (R850+R680) +- NRI (nitrogen reflectance index) + - (R570-R670) / (R570+R670) +- TCARI (transformed chlorophyll absorption and reflectance index) + - 3 * (R700-R600-(R700-R550) * (R700/(R850+R670))) +- PhRI (physiological reflectance index) + - (R550-R531) / (R550+R531) +- NPCI (normalized pigment chlorophyll ratio index) + - (R680-R450) / (R680+R450) +- HI (health index) + - (R534-R698) / (R534+R698) - 0.5*R704 +- CLS (Cercospora leaf spot index) + - (R698-R570) / (R698+R570) - R734 +- SBRI (sugar beet rust index) + - (R570-R513) / (R570+R513) + 0.5*R704 +- PMI (powdery mildew index) + - (R520-R584) / (R520+R584) + R724 +- IGI (image guided index) + - R1529 / R1416 +- SRC (simple ratio contrast) + - R1459 / R1129 +- WC (Weber contrast) + - (R1459-R1129) / R1129 +- MC (Michelson contrast) + - (R1460-R1421) / (R1460+R1421) +- WBI (water band index) + - R900 / R970 +- MSI (moisture stress index) + - R1599 / R819 +- NDWI (normalized difference water index) + - (R857-R1241) / (R857+R1421) +- swirNDVI1 (shortwave infrared normalized difference vegetation index) + - (R1080-R1460) / (R1080+R1460) +- swirNDVI2 (shortwave infrared normalized difference vegetation index 2) + - (R1080-R1570) / (R1080+R1570) +- swirNDVI3 (shortwave infrared normalized difference vegetation index 3) + - (R1080-R1660) / (R1080+R1660) +- swirNDVI4 (shortwave infrared normalized difference vegetation index 4) + - (R1080-R2180) / (R1080+R2180) +- TVI (transformed vegetation index) + - abs(NDVI+0.5) / abs(NDVI+0.5) * sqrt(abs(NDVI+0.5)) +- NDGI (normalized difference greenness index) + - (AvgReflectance(500:600)-AvgReflectance(600:700)) / (AvgReflectance(500:600)+AvgReflectance(600:700)) +- RI (redness index) + - (AvgReflectance(600:700)-AvgReflectance(500:600)) / (AvgReflectance(600:700)+AvgReflectance(500:600)) +- MSAVI (modified soil adjusted vegetaion index) + - 0.5 * (2*R800 + 1 - sqrt((2*(R800+1)^2)-8*(R800-R670))) +- VDVI (visible band difference vegetation index) + - Red = AvgReflectance(600:700) + - Green = AvgReflectance(500:600) + - Blue = AvgReflectance(400:500) + - VDVI = (2*Green-Red-Blue) / (2*Green+Red+Blue); +- NDNI (normalized difference nitrogen index) + - (log10(1/R1510)-log10(1/R1680)) / (log10(1/R1510)+log10(1/R1680)) +- NDLI (normalized difference lignin index) + - (log10(1/R1754)-log10(1/R1680)) / (log10(1/R1754)+log10(1/R1680)) +- NMDI (normalized multiband drought index) + - (R860-(R1640-R2130)) / (R860+(R1640-R2130)) +- NLI (nonlinear index) + - Red = AvgReflectance(600:700) + - NIR = AvgReflectance(800:1000) + - NLI = (NIR^2-Red) / (NIR^2+Red)