Model for determining radiant energy reflected off diffuse surfaces
See also: Lambert's cosine law
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Lambertian reflectance is the property that defines an ideal "matte" or diffusely reflecting surface. The apparent brightness of a Lambertian surface to an observer is the same regardless of the observer's angle of view.[1] More precisely, the reflected radiant intensity obeys Lambert's cosine law, which makes the reflected radiance the same in all directions. Lambertian reflectance is named after Johann Heinrich Lambert, who introduced the concept of perfect diffusion in his 1760 book Photometria.
^Ikeuchi, Katsushi (2014). "Lambertian Reflectance". Encyclopedia of Computer Vision. Springer. pp. 441–443. doi:10.1007/978-0-387-31439-6_534. ISBN 978-0-387-30771-8. S2CID 11390799.
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Lambertianreflectance is the property that defines an ideal "matte" or diffusely reflecting surface. The apparent brightness of a Lambertian surface...
dependence of reflectance on the wavelength is called a reflectance spectrum or spectral reflectance curve. The hemispherical reflectance of a surface...
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the ratio of reflection of the diffuse term of incoming light (Lambertianreflectance), k a {\displaystyle k_{\text{a}}} , which is an ambient reflection...
named because the reflected light from the Moon and Mars appear significantly brighter than predicted by simple Lambertianreflectance when at astronomical...
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hitting the sides of the sphere is scattered in a diffuse way i.e. Lambertianreflectance Only light that has been diffused in the sphere hits the ports or...
received illuminance; and R is the reflectance. In the case of a perfectly diffuse reflector (also called a Lambertian reflector), the luminance is isotropic...
reconstructed from a single photograph. Computer graphics lighting Lambertianreflectance List of art techniques List of common shading algorithms Shader...
122: 22–34. doi:10.1016/j.cviu.2013.11.009. R. Basri; D. Jacobs. "Lambertianreflectance and linear subspaces". {{cite journal}}: Cite journal requires |journal=...
surfaces are now referred to as "Perfectly Diffuse" or "Lambertian". See: Lambertianreflectance, Lambertian emitter Lambert demonstrated these principles in...
Deep Lambertian Networks (DLN) is a combination of Deep belief network and Lambertianreflectance assumption which deals with the challenges posed by illumination...
consisted of Lambertian diffusion component and a modified specular Phong component with a Fresnel type of effect. BRDF (Bidirectional reflectance distribution...
credited for (the Beer–Lambert law) and introduced the term albedo. Lambertianreflectance is named after him. He wrote a classic work on perspective and contributed...
to the analysis of the shade information in the image, by using Lambertianreflectance, the depth of normal information of the object surface is restored...
flat reflectance spectrum. A typical example is the Kodak R-27 set, which contains one 8x10" card and one 4x5" card which have 18% reflectance across...
zero phase angle) to that of an idealized flat, fully reflecting, diffusively scattering (Lambertian) disk with the same cross-section. (This phase angle...
set of satellite reflectance measurements into estimates of directional-hemispherical reflectance and bi-hemispherical reflectance (e.g.,). These calculations...
received illuminance, and R is the reflectance. In the case of a perfectly diffuse reflector (also called a Lambertian reflector), the luminance is isotropic...