ISBN: | 978-5-5111-8771-6 |
High Quality Content by WIKIPEDIA articles! The Oren-Nayar reflectance model, developed by Michael Oren and Shree K. Nayar, is a reflectance model for diffuse reflection from rough surfaces. It has been shown to accurately predict the appearance of a wide range of natural surfaces, such as concrete, plaster, sand, etc.