Atmospheric visibility and meteorological optical range were derived with a low-cost digital consumer camera.
Comparison between the visibility obtained by a human observer and the visibility derived by digital images
taken with the camera show good agreement in the green part of the spectrum, except in early morning and late
afternoon. Examples for clear and polluted days are given.
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CEM - Centro de Engenharia Mecatrónica /
CEM - Comunicações - Em Congressos Científicos Nacionais /
