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The effect of the Purkinje shift on the brightness of highway signs at night

The effect of the Purkinje shift on the brightness of highway signs at night

Fry, John Pray, 1939-

Text (1967)

Part of Electronic Theses & Dissertations

Sign legibility as a function of sign luminance, ambient illumination, contrast direction, contrast level, and age and adaptation level of observers

Sign legibility as a function of sign luminance, ambient illumination, contrast direction, contrast level, and age and adaptation level of observers

Dyer, Frederick N.

Text (1965)

Part of Electronic Theses & Dissertations