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Model FieldAnalyzer - Canopy Cover Analysis and DGCI
FieldAnalyzer is a companion application to TurfAnalyzer. FieldAnalyzer parses and evaluates individual research plots from a single aerial image. Prior to FieldAnalyzer, researchers relied on tedious manual selections or complex bespoke processes for analyzing such images. Using FieldAnalyzer, researchers can analyze an entire field`s worth of plots in minutes using a simple, standard mechanism.
Measure the fraction of light intercepted by a canopy. Canopy coverage is a fundamental measure of crop growth and competitiveness.
Evaluate crop nutritional status. While originally developed to measure turf quality, the Dark Green Color Index (DGCI) has since found applications in agronomic crops due to the close association of DGCI values with leaf nitrogen concentration.
Eliminate imprecision in DGCI analyses due to ambient light conditions by placing color standards in the images to be analyzed. (See the video walkthrough in the resources section for more information).
Use Infrared (IR) images to measure canopy temperature and gain insight into plant stress. When photosynthesis and transpiration decrease due to stress, canopy temperature increases, resulting in an increase in the IR signature.
NDVI is one of the leading indices used in remote sensing. NDVI distinguishes living plant material from non-living material (e.g., soil) and stressed plants and is often used as a relative measure of crop health and crop biomass. FieldAnalyzer determines NDVI from the amount of near infrared reflected relative to the amount of blue light reflected.