Scientific Results

Heterochromatic brightness match across the visual field

Year: 1985

Authors: Ronchi L., Galassi Principe V., Rango E.

Autors Affiliation: Istituto Nazionale di Ottica, Largo e. Fermi 6. 50125 Firenze, Italy

Abstract: Some experimental data are displayed, indicating how tha ratio of (photopic) luminances at the brightness match varies when stimulus size is varied, at various retinal locations. stimuli giving mainly an achromatic contribution to brightness (white, yellow, greenish) are compared to a red stimulus which is expected to produce an extra brightness signal. The photometric implications at the site of the “receiver unit area2 are discussed.


Volume: 32/33      Pages from: 151  to: 158

KeyWords: vision; brightness;

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