Text #3622413

The observed brightness of a Lambertian surface may be written as the product of an albedo factor, p, and the cosine of the incident angle, cos i. This means that brightness can be written as a product of a term that depends on the material, p, and a term that depends on surface direction, which in turn depends on f and g.

—from Artificial Intelligence Second Edition, a book by Patrick Henry Winston

Active since January 13, 2017.
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3568. Doiv (doiv23) 79.08 98% 2019-11-11
3569. Dust (l4sts0ul) 79.06 98% 2017-06-26
3570. Lil Boat (law3056) 79.05 97% 2018-04-11
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