Vegetation Indices
Estimating the Threshold of Detection on Tree Crown Defoliation Using Vegetation Indices from UAS Multispectral Imagery
... spectral indices such as normalized difference vegetation index (NDVI) and red edge NDVI with the kappa coefficient of ...using vegetation indices (VIs) derived from red, green, blue (RGB) and ...
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On estimating the gross primary productivity of Mediterranean grasslands under different fertilization regimes using vegetation indices and hyperspectral reflectance
... other vegetation indices have been tested as alternatives to NDVI and PRI for GPP ...several vegetation indices, including NDVI and the Nor- malized Different Water Index (NDWI) (Gao, 1996), a ...
17
Integration of Land Cover Changes and Land Capability of Wadi El-Natrun Depression Using Vegetation Indices
... difference vegetation index (NDVI), soil adjusted vegetation index (SAVI), green normalized difference vegetation index (GNDVI) and optimized soil adjusted vegetation index (OSAVI) were used ...
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Integration of vegetation indices into a water balance model to estimate evapotranspiration of wheat and corn
... the vegetation indices are sensitive to ground cover fraction (fc) (Choudhury et ...multispectral vegetation indices (VI) obtained by remote sensing (Jackson et ...
13
Assessment of RGB vegetation indices to estimate chlorophyll content in sugar beet leaves in the final cultivation stage
... Vegetation indices based on narrow-band imaging spectrometers (also called hyperspectral sensors) have been proposed, which—in the case of sugar beet—have been shown to have great potential to remotely ...
22
Using vegetation indices for soil moisture retrievals from passive microwave radiometry
... overlying vegetation both influence microwave emission from land surfaces ...of vegetation on soil-moisture retrievals from microwave observations is to use remotely sensed vegetation ...Difference ...
8
Estimation of leaf traits from reflectance measurements: comparison between methods based on vegetation indices and several versions of the PROSPECT model
... spectral measurements. The first one consists in building empirical relationships from experimental datasets using either the raw reflectances or their combination into vegetation indices (VI). The second ...
16
Estimation of vegetation indices for high-throughput phenotyping of wheat using aerial imaging
... demonstrated. Vegetation indi- ces were correlated with soil moisture measurements to assess the sensitivity of tallgrass prairie grasslands to drought ...The indices allowed remote identification of ...
11
Evaluation Of Selected Spectral Vegetation Indices In Senescent Rangeland Canopy Using Landsat Imagery
... photosynthetic vegetation (PV), NPV and spectral vegetation indices (SVIs) derived from more sensitive and more detailed, but less accessible and more costly hyperspectral aerial ...spectral ...
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SPECTRAL DATA BASED VEGETATION INDICES TO CHARACTERISE CROP GROWTH PARAMETERS AND RADIATION INTERCEPTION IN BRASSICA
... based vegetation indices ...spectral indices, plant growth parameters and radiation interception that there was strong relationship between infrared/red and normalized difference with green area ...
7
Atmospheric correction for satellite remotely sensed data intended for agricultural applications: impact on vegetation indices
... different vegetation cover, assuming that seasonal ef- fects are considered and data were atmospherically ...when vegetation indices are used (or con- sidered) and presents the results obtained by ...
7
Application of hyperspectral vegetation indices to detect variations in high leaf area index temperate shrub thicket canopies
... of indices using wavelengths in the red-edge region. These indices re fl ect variations in total canopy chlorophyll content, and may be especially useful in communities where LAI exceeds 4 and leaf ...
11
COMPARATIVE ANALYSIS OF HYPERSPECTRAL VEGETATION INDICES FOR REMOTE ESTIMATION OF LEAF CHLOROPHYLL CONTENT AND PLANT STATUS
... related vegetation indices (VIs) derived from the leaf reflectance data of young pepper plants infected by Cucumber Mosaic Virus (CMV) were tested for estimating the changes in the Chl content and plant ...
7
Formulation and assessment of narrow-band vegetation indices from EO-1 hyperion imagery for discriminating sugarcane disease
... Vegetation indices can be formulated using various ...Spectral Indices (FACOSI), which involved radiative transfer models and optimisation technique (Govaertz, et ...
13
Assessment of UAV Based Vegetation Indices for Nitrogen Concentration Estimation in Spring Wheat
... of vegetation indices (VIs) derived from UAV images for quantification of plant nitrogen (N) con- centration of spring wheat, a major cereal crop ...Enhanced Vegetation Index 2 (EVI 2 ), Red Edge ...
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Analysis of vegetation indices to determine nitrogen application and yield prediction in maize (Zea mays L.) from a standard UAV service
... green-based vegetation indices in determining maize vigour due to problems of saturation associated with NDVI for some types of vegetation during their later stages of ...example, indices such ...
15
Relationships of Vegetation Indices and Biomass of Mangrove Forest Plantation in Thailand
... where, Wl = leaf biomass (kg), Wb = branch biomass (kg), Wt = truck biomass (kg), Wr = root biomass (kg), DBH = diameter at 130 cm above ground (cm), H = total height (m) C. Vegetation Indices The image ...
5
Use of Spectral Vegetation Indices Derived from Airborne Hyperspectral Imagery for Detection of European Corn Borer Infestation in Iowa Corn Plots
... Spectral vegetation indices (SVI), such as the normalized difference vegetation index (NDVI) (Rouse et ...crop vegetation parameters while maintaining unique spectral information (Perry and ...
12
Evaluation of Various Vegetation Indices for Multispectral Satellite Images
... spectral vegetation indices are derived from remotely sensed data, which is useful to monitor the Earth's vegetation [6] ...The vegetation indices are used to represent an algebraic ...
7
Soil-line vegetation indices for corn nitrogen content prediction
... spectral indices are dependent on the NIR and red bands, whereas for ASTER imagery the NIR and red bands are in the 630-690 nm and in 760-860 nm wavelengths, ...different vegetation indices is shown ...
6