Lambertian reflectance is the property that defines an ideal "matte" or diffusely reflecting surface. The apparent brightness of a Lambertian surface...
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Lambert's cosine law (redirect from Lambertian diffuse lighting model)
A surface which obeys Lambert's law is said to be Lambertian, and exhibits Lambertian reflectance. Such a surface has a constant radiance/luminance,...
9 KB (1,279 words) - 21:47, 17 February 2025
dependence of reflectance on the wavelength is called a reflectance spectrum or spectral reflectance curve. The hemispherical reflectance of a surface...
11 KB (1,271 words) - 17:54, 31 December 2024
surface reflectance anisotropy. For a given land area, the BRDF is established based on selected multiangular observations of surface reflectance. While...
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Spectralon reflectance material are available: optical grade, laser grade, and space grade. Optical-grade Spectralon has a high reflectance and Lambertian behavior...
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non-Lambertian reflectance of the moon. The Oren–Nayar reflectance model, developed by Michael Oren and Shree K. Nayar in 1993, predicts reflectance from...
9 KB (1,234 words) - 13:05, 21 May 2025
Photometric stereo (section Non-Lambertian surfaces)
software, such as Meshroom. Under Woodham's original assumptions — Lambertian reflectance, known point-like distant light sources, and uniform albedo — the...
11 KB (1,415 words) - 21:07, 23 May 2025
named because the reflected light from the Moon and Mars appear significantly brighter than predicted by simple Lambertian reflectance when at astronomical...
10 KB (1,150 words) - 16:36, 2 July 2025
Diffuser (optics) (section Perfect reflecting diffuser)
and greyed glass. A perfect (reflecting) diffuser (PRD) is a theoretical perfectly white surface with Lambertian reflectance (its brightness appears the...
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Reflection (physics) (redirect from Reflected)
material. One common model for diffuse reflection is Lambertian reflectance, in which the light is reflected with equal luminance (in photometry) or radiance...
18 KB (2,263 words) - 00:58, 17 June 2025
List of things named after Johann Lambert (redirect from Lambertian)
law, see above lambert (unit) Foot-lambert Lambert's cosine law Lambertian reflectance Lambert azimuthal equal-area projection Lambert conformal conic...
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surfaces are now referred to as "Perfectly Diffuse" or "Lambertian". See: Lambertian reflectance, Lambertian emitter. Lambert demonstrated these principles in...
15 KB (1,925 words) - 22:35, 24 May 2025
Phong reflection model (redirect from Phong reflectance)
the ratio of reflection of the diffuse term of incoming light (Lambertian reflectance), k a {\displaystyle k_{\text{a}}} , which is an ambient reflection...
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received illuminance; and R is the reflectance. In the case of a perfectly diffuse reflector (also called a Lambertian reflector), the luminance is isotropic...
11 KB (1,336 words) - 15:47, 4 December 2024
games#Technology.) 1760 – Lambertian reflectance model: 5.2 1931 – Standardized RGB representation of color 1967 – Torrance-Sparrow reflectance model 1968 – Ray...
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body in question. Some examples: Albedo Anisotropy Bond albedo Lambertian reflectance See for example this discussion of Lunar albedo Archived April 13...
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hitting the sides of the sphere is scattered in a diffuse way i.e. Lambertian reflectance Only light that has been diffused in the sphere hits the ports or...
19 KB (1,951 words) - 20:07, 22 May 2025
Inbetweening Irregular Z-buffer Isometric projection Jaggies k-d tree Lambertian reflectance Lathe (graphics) Level of detail (computer graphics) Light field...
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reconstructed from a single photograph. Computer graphics lighting Lambertian reflectance List of art techniques List of common shading algorithms Shader...
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Deep Lambertian Networks (DLN) is a combination of Deep belief network and Lambertian reflectance assumption which deals with the challenges posed by illumination...
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be hovering over or resting on a wet floor. Illumination model Lambertian reflectance Ray tracing Reflection mapping Rendering (computer graphics) Specular...
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1016/j.cviu.2013.11.009. Basri, Ronen; Jacobs, David W. (2003). "Lambertian Reflectance and Linear Subspaces". IEEE Transactions on Pattern Analysis and...
15 KB (1,765 words) - 07:59, 28 May 2025
credited for (the Beer–Lambert law) and introduced the term albedo. Lambertian reflectance is named after him. He wrote a classic work on perspective and contributed...
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to the analysis of the shade information in the image, by using Lambertian reflectance, the depth of normal information of the object surface is restored...
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Bidirectional scattering distribution function (redirect from Bidirectional surface scattering reflectance distribution function)
consisted of Lambertian diffusion component and a modified specular Phong component with a Fresnel type of effect. BRDF (Bidirectional reflectance distribution...
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the case of specular reflection. An ideal diffuse reflecting surface is said to exhibit Lambertian reflection, meaning that there is equal luminance when...
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(assuming Lambertian reflection) float cos_theta = DotProduct(newRay.direction, ray.normalWhereObjWasHit); Color BRDF = material.reflectance / PI; // Recursively...
19 KB (2,338 words) - 02:46, 21 May 2025
with an 18% reflectance across the visible spectrum, and a white reverse side with a 90% reflectance. Note that flat spectral reflectance is a stronger...
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Albedo (redirect from Solar reflectance)
set of satellite reflectance measurements into estimates of directional-hemispherical reflectance and bi-hemispherical reflectance (e.g.,). These calculations...
69 KB (7,461 words) - 16:50, 9 June 2025
frequency of its monochromatic components. Reflective objects Reflectance factor, R Gloss reflectance factor, Rs Gloss (at least six types of gloss may be observed...
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