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Bi-hemispherical reflectance is the reflectance of a surface under diffuse illumination (with no direct component). Bi-hemispherical reflectance is an important part of the Bidirectional reflectance distribution function over all viewing and illumination directions of a hemisphere. It is sometimes called "white-sky albedo".

See also

• Directional-hemispherical reflectance

References

1. Nicodemus, F.E.; J.C. Richmond; J.J. Hsia (October 1977). Geometrical Considerations and Nomenclature for Reflectance (PDF). National Bureau of Standards. Bibcode:1977nbs..reptR....N. Retrieved 8 April 2013.

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