Abstract
The article shows the possibility of using vegetation indices to build algorithms for recognizing defects in plant tissue of apples. The authors demonstrate that it is advisable to use halogen lamps as light sources for apples hyperspectral control, but LED backlighting to correct the spectrum at the edges of the 400-1000 nm range is preferable to use. The experimentally obtained spectra of the optical radiation reflected from the apples plant tissue in the mentioned wavelength range are presented and show the possibility of identifying defects using vegetation indices. At the same time, the risk of obtaining false defects for some varieties of apples is revealed. To reduce this risk, it is proposed to use artificial Deep Feedforward neural networks with one hidden layer.
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