Block diagram of the ATFS system.
Conjugated-pupil telecentric arrangement for zero-order cancellation.
Optical arrangement of the ATFS instrument, without the protective cover.
Block diagram of the DDS board.
Flow chart of the RFGD.
Snapshot of the ATFS GUI, showing the control box and the image window.
Measured DE and Bandwidth of the ATFS instrument.
Spectral output of the system for different bandwidth configurations.
Reflectance image of a sugar beet (Beta vulgaris L.) leaf: (upper left), (upper right), (lower left), and RGB bands (lower right).
Reflectance of the central part of the leaf, measured with a point spectrometer and with the ATFS instrument (integral of the central area).
Chlorophyll content estimate for a sunflower (Helianthus annuus) leaf treated with herbicide, using the NDVI index.
Measured bandwidth (FWHM) of the instrument for different bandwidth configurations.
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