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I applied via Company Website and was interviewed before Sep 2021. There were 2 interview rounds.
NDVI is calculated by subtracting the reflectance of near-infrared light from the reflectance of red light and dividing it by their sum.
NDVI = (NIR - Red) / (NIR + Red)
NIR and Red values can be obtained from satellite or drone imagery
NDVI values range from -1 to 1, with higher values indicating healthier vegetation
NDVI can be used to monitor crop health, drought, and deforestation
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