Dragonette-1 Spectral Indices

Vegetation index that minimizes atmospheric effects by incorporating blue band correction. More resistant to atmospheric scattering than NDVI, particularly useful in areas with atmospheric haze or high aerosol content.

Simple vegetation index calculating the ratio of near-infrared to red reflectance. One of the earliest vegetation indices, useful for biomass estimation and vegetation analysis.

Improved vegetation index that reduces atmospheric and soil background effects. More sensitive to vegetation changes than NDVI.

Geological index for detecting ferric iron (Fe3+) concentrations in rocks and soils. Useful for lithologic mapping and identifying iron-rich mineral formations.

Simple vegetation index that calculates the difference between near-infrared and green spectral bands. Useful for assessing vegetation health and density with straightforward band arithmetic.

Non-linear vegetation index designed for global vegetation monitoring from satellites. Less sensitive to soil background variations compared to NDVI and provides enhanced discrimination of vegetation states.

Vegetation index that uses green wavelengths instead of red to assess vegetation characteristics. More sensitive to chlorophyll content and can be useful for detecting stress in dense vegetation canopies.

Soil-adjusted vegetation index that uses green wavelengths and incorporates a soil adjustment factor to minimize soil background influences. Optimized for vegetation monitoring in areas with varying soil conditions.

Simple vegetation index that calculates the ratio of near-infrared to green band reflectance. Useful for vegetation fraction estimation and assessing plant health using green wavelengths.

Soil-adjusted vegetation index using green wavelengths to minimize soil background interference. Incorporates a soil adjustment factor (L=0.5) to improve vegetation signal extraction.

Color index representing the dominant wavelength in visible spectrum. Used for color analysis and classification of materials based on their spectral hue characteristics.

Color brightness measure representing the total reflectance across visible bands. Used for overall brightness analysis and intensity-based classification.

Enhanced vegetation index that combines simple ratio and NDVI approaches. Provides improved sensitivity to vegetation changes and reduced soil background effects.

Vegetation index designed to estimate chlorophyll content with reduced sensitivity to non-photosynthetic vegetation and soil background effects.

Enhanced vegetation chlorophyll index with improved sensitivity and reduced soil background effects. Modified version of MCARI using standard satellite bands.

Advanced vegetation chlorophyll index with enhanced sensitivity and reduced soil background effects. Improved version of MCARI for better leaf area index prediction.

Self-adjusting vegetation index that minimizes soil background influence without requiring soil line parameters. Automatically adjusts for varying soil conditions.

Hyperspectral version of MSAVI optimized for precise wavelength bands. Provides enhanced vegetation monitoring with reduced soil background effects.

Enhanced vegetation index combining green, red, and near-infrared reflectance for improved leaf area index estimation and vegetation monitoring.

Advanced triangular vegetation index with enhanced sensitivity to vegetation chlorophyll content and reduced soil background interference.

Most commonly used vegetation index to assess plant health and density. Values range from -1 to 1, with higher values indicating healthier vegetation.

The most widely used vegetation index for assessing vegetation health, density, and photosynthetic activity. Classic formulation using standard red and near-infrared bands.

Used to detect water bodies and monitor water content in vegetation. Positive values typically indicate water presence.

Normalized green reflectance component for vegetation analysis. Provides relative contribution of green band reflectance in visible-NIR spectrum.

Normalized near-infrared reflectance component for vegetation analysis. Highlights vegetation structural properties and biomass distribution.

Normalized red reflectance component for vegetation analysis. Useful for analyzing chlorophyll absorption and vegetation stress indicators.

Vegetation index that minimizes soil brightness influences. The L factor is typically set to 0.5 for moderate vegetation cover.

The Anthocyanin Reflectance Index (ARI) was developed by Gitelson et al. to non-destructively estimate anthocyanin content in plant leaves. It isolates the anthocyanin absorption peak around 550nm by subtracting the 700nm band that reflects only chlorophyll. ARI is particularly useful for monitoring plant stress, senescence, and physiological status.

The Modified Anthocyanin Reflectance Index (mARI or ARI2) is an enhanced version of ARI that corrects for leaf density and thickness by incorporating a near-infrared band. This modification improves the accuracy of anthocyanin estimation by accounting for leaf scattering properties.

The Brightness Index (BI) is a remote sensing index used to assess soil brightness, which is highly correlated with soil moisture, salt content, and organic matter. Developed by Mathieu and Escadafal, it provides valuable information about soil properties and fertility. As brightness increases, soil fertility typically decreases.

Carter2 (Ctr2) is a plant stress index that uses the ratio of reflectance at 695nm (red-edge) to 760nm (near-infrared). This index is particularly effective at detecting stress because it combines the stress-sensitive red-edge region with the NIR region where healthy vegetation shows high reflectance.

The Coloration Index (CI) was developed by Pouget et al. (1990) to characterize soil color properties in arid and semi-arid regions. Low CI values correlate with high concentrations of carbonates or sulfates, while higher values correlate with crusted soils and sands. The index helps monitor surface degradation and infiltrability variations.

Chlorophyll Index RedEdge 710 is a spectral index designed to assess chlorophyll content in vegetation, focusing on the red-edge spectral region. It utilizes the red-edge position to provide sensitive measurements of vegetation chlorophyll status.

The Carotenoid Reflectance Index 550 (CRI550) was developed by Gitelson et al. (2002) to assess carotenoid content in plant leaves. It uses reciprocal reflectance at 510nm (sensitive to carotenoids) and 550nm (to remove chlorophyll effects), providing a non-destructive method for carotenoid estimation.

The Carotenoid Reflectance Index 700 (CRI700) is an alternative formulation to CRI550 that uses the 700nm band instead of 550nm to minimize chlorophyll effects. This index provides better performance in leaves with high chlorophyll content and is particularly useful for mature vegetation.

A vegetation stress index that uses the ratio of reflectance at 605nm to 760nm. This index is sensitive to plant stress conditions and can detect early signs of vegetation health decline.

A vegetation stress index using the ratio of red edge (710nm) to NIR (760nm) reflectance. This index is particularly sensitive to changes in chlorophyll content and plant stress.

Modified Chlorophyll Absorption Ratio Index 710 is designed to measure chlorophyll content in vegetation. It provides a method to estimate chlorophyll content by comparing reflectance at different wavelengths, particularly in the red and near-infrared regions of the spectrum.

MCARI/MTVI2 is a ratio index that combines the Modified Chlorophyll Absorption Ratio Index (MCARI) with the Modified Triangular Vegetation Index 2 (MTVI2). This combination provides improved sensitivity to leaf chlorophyll content while reducing the influence of leaf area index variations, making it particularly useful for agricultural applications.

MCARI/OSAVI combines the Modified Chlorophyll Absorption Ratio Index (MCARI) with the Optimized Soil-Adjusted Vegetation Index (OSAVI). This ratio index is designed to estimate leaf chlorophyll content while minimizing the confounding effects of leaf area index and soil background reflectance.

MCARI/OSAVI750 is a vegetation index that combines the Modified Chlorophyll Absorption Ratio Index with the Optimized Soil-Adjusted Vegetation Index using red-edge bands. It is specifically designed to estimate chlorophyll content using the 750nm band instead of traditional NIR bands.

A modified simple ratio vegetation index optimized for boreal forest applications. It normalizes the difference between NIR and red reflectance, providing improved LAI estimation in forest environments.

Modified Simple Ratio 705,750 is a vegetation index that uses the red-edge spectral region to assess vegetation characteristics, particularly chlorophyll content. It calculates the normalized difference between reflectance at 750nm and 705nm wavelengths.

Normalized Green Red Difference Index for vegetation applications

Non-Homogeneous Feature Difference for urban applications

OSAVI2 is a variant of the Optimized Soil Adjusted Vegetation Index that uses red-edge bands (750nm and 705nm) instead of traditional NIR and red bands. This modification improves sensitivity to vegetation changes while maintaining the soil brightness correction factor of 0.16, making it particularly effective for vegetation monitoring in areas with variable soil backgrounds.

The Photochemical Reflectance Index (PRI) was developed by Gamon, Penuelas, and Field (1992) to track diurnal changes in photosynthetic efficiency. PRI detects changes in xanthophyll cycle pigments that occur during plant stress, providing a measure of light use efficiency and general ecosystem health through remote sensing.

Plant Senescence Reflectance Index (PSRI) is designed to detect plant stress and senescence by measuring the ratio of carotenoid to chlorophyll pigments. It is sensitive to changes in leaf pigments that occur during plant aging, stress, or fruit ripening, making it useful for monitoring crop maturity and health status.

Red-Edge Disease Stress Index for vegetation applications

An index that calculates the red edge inflection point, which is the wavelength of maximum slope in the red edge region. REIP is sensitive to chlorophyll content and vegetation stress.

A variant of the red edge inflection point calculation using slightly different wavelengths. This index provides an alternative measurement of the red edge position for chlorophyll assessment.

A normalized difference vegetation index using red edge bands instead of traditional red and NIR. This index is particularly sensitive to chlorophyll content and vegetation stress.

Red-Edge Position Linear Interpolation (REP) is a spectral index that detects the red-edge position through linear interpolation. The red-edge position is a key indicator of vegetation health, chlorophyll content, and plant stress, representing the inflection point between red absorption and NIR reflectance.

Red-Green Ratio Index for vegetation applications

SPOT HRV XS-based Redness Index 4 for soil applications

Sentinel-2 Red-Edge Position for vegetation applications

A spectral index that calculates the color saturation by comparing the maximum and minimum RGB values. Used for analyzing vegetation characteristics and spectral indices for degradation of natural environments.

Sentinel-2 LAI Green Index for vegetation applications

Simple Ratio (860, 550 and 708 nm) for vegetation applications

Simple Ratio (555 and 750 nm) for vegetation applications

Simple Ratio (705 and 750 nm) for vegetation applications

An index designed to estimate vegetation chlorophyll content while minimizing the effects of leaf area index. TCARI is particularly useful for precision agriculture and crop health monitoring.

TCARI/OSAVI is a combined vegetation index that integrates the Transformed Chlorophyll Absorption in Reflectance Index (TCARI) with the Optimized Soil-Adjusted Vegetation Index (OSAVI). It is designed for accurate estimation of crop chlorophyll content while minimizing the effects of soil background and leaf area index variations.

TCARI/OSAVI 705,750 is a modified version of the TCARI/OSAVI index that uses the red-edge bands at 705nm and 750nm instead of traditional red and NIR bands. This modification improves sensitivity to chlorophyll content estimation while reducing the influence of leaf area index and soil background.

TCARI/OSAVI Ratio (705 and 750 nm) for vegetation applications

Triangular Chlorophyll Index - A spectral index for vegetation applications.

The Triangular Vegetation Index (TVI) was developed by Broge and Hansen (2000) based on the triangular area formed by green peak, near-infrared shoulder, and chlorophyll absorption minimum. TVI is sensitive to both chlorophyll content and LAI, capturing radiative energy absorbed by pigments and providing improved retrieval accuracy with reduced saturation effects.

A vegetation index that uses the triangular area formed by green, red, and red-edge reflectance values. It is sensitive to leaf chlorophyll content and is particularly useful for estimating green LAI.

A red edge variant of VARI that uses red edge bands instead of green. This index is designed to estimate vegetation fraction with reduced atmospheric effects.

Vegetation Index (700 nm) - A spectral index for vegetation applications.

Vegetation Index Green - A spectral index for vegetation applications.

A hyperspectral vegetation index that uses the red edge spectral region to assess vegetation health and chlorophyll content. It is particularly sensitive to vegetation stress and early detection of plant diseases.

A vegetation index that uses specific red edge wavelengths to assess vegetation health and chlorophyll content. It is sensitive to changes in leaf internal structure and chlorophyll concentration.

A simple ratio vegetation index using red edge wavelengths to assess vegetation health and chlorophyll content. The ratio of 715nm to 705nm provides information about the red edge position and slope.