Quantifying the Subjective Brightness of Retroreflective Material Using Magnitude Estimations | Zendy

Justin S. Graving | Zendy; Richard A. Tyrrell | Zendy; Stacy A. Balk | Zendy

AI Assistant Blog Pricing

Home ZAIA Blog

Open Access

Quantifying the Subjective Brightness of Retroreflective Material Using Magnitude Estimations

Author(s) -

Justin S. Graving,

Richard A. Tyrrell,

Stacy A. Balk

Publication year - 2009

Language(s) - English

Resource type - Conference proceedings

DOI - 10.17077/drivingassessment.1346

Subject(s) - brightness , magnitude (astronomy) , retroreflector , apparent magnitude , optics , physics , computer science , computer vision , astrophysics , laser , stars

Ten small patches of retroreflective material were evaluated using a method of magnitude estimation to quantify the effect of changing the coefficient of retroreflection (RA) on brightness perception. Seventeen undergraduates participated. The results show that brightness is tightly linked with RA. Brightness was influenced more by changes in lower RA than changes in higher RA and follows Steven’s power law for brightness. Practical and theoretical implications are discussed.

The content you want is available to Zendy users.

Already have an account? Click here to sign in.

Having issues? You can contact us here

Accelerating Research