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searching for Photopic vision 4 found (49 total)

Ricco's law (1,071 words) [view diff] exact match in snippet view article find links to article

where c1, c2 are constants taking different values for scotopic and photopic vision. For low B this approximates to the De Vries-Rose Law for threshold

Contrast (vision) (2,846 words) [view diff] exact match in snippet view article

curve was proposed by Hecht, with separate branches for scotopic and photopic vision. Hecht's formula was used by Weaver to model the naked-eye visibility

Jan Evangelista Purkyně (1,090 words) [view diff] no match in snippet view article find links to article

effect: simulated appearance of a red geranium and foliage in normal bright-light (photopic) vision, dusk (mesopic) vision, and night (scotopic) vision

Color (5,726 words) [view diff] exact match in snippet view article find links to article

p. 388. ISBN 978-0471452126. "Under well-lit viewing conditions (photopic vision), cones ...are highly active and rods are inactive."Hirakawa, K.;