Scientific Results

A computerized approach to monitor the time variability of daylight in the frequency range probably related to visual fatigue

Year: 1986

Authors: Ronchi L., Francini f., Arecchi F.T.

Autors Affiliation: Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy; Department of Physics, University of Firenze, 50125 Firenze, Italy

Abstract: A photodetector coupled to a a computer via am AC-DC converte (capacity (or 12 bit) is used to monitor the time changes in daylight illumination. In particular a picture of the successive (percent) changes in lighting is given by averaging input data acrosspre-established time blocks, to refer to frequencies of importance from the biological stand point. This assessment of the instability of lighting, on a fine time scale, might be of importance of those systems, like human vision (and, why not, robotic vision), working on a different sensistivity basis, and where the input is controlled by servomechanisms.

Conference title:
Place:

Volume: 701      Pages from: 85  to: 92

KeyWords: daylight; visual fatigue;

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