What are the technical specifications and limitations of using RGB imaging drones for aerial photography and videography?
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RGB imaging drones for aerial photography and videography have become popular due to their affordability, ease of operation, and minimal data processing requirements . These drones typically use commercial RGB cameras as their payload . However, there are limitations to using RGB imaging drones. One limitation is the presence of significantly mixed pixels in close-range RGB images, which can affect the accuracy of estimating fractional vegetation cover (FVC) . Another limitation is the limited quantitative spectral information and color variability within RGB images, which can lead to errors and uncertainties in FVC estimation . To address these limitations, a color mixture analysis (CMA) method based on the Hue-Saturation-Value (HSV) color space has been proposed to improve the accuracy and efficiency of FVC estimation from RGB images captured by UAVs . Overall, improvements in trait standardization and extraction software are expected to enhance the use of high-throughput phenotyping in the future .
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