• Thumbnail for Lambertian reflectance
    Lambertian reflectance is the property that defines an ideal "matte" or diffusely reflecting surface. The apparent brightness of a Lambertian surface...
    5 KB (584 words) - 19:58, 1 October 2023
  • 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
  • Thumbnail for Reflectance
    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
  • Thumbnail for Bidirectional reflectance distribution function
    surface reflectance anisotropy. For a given land area, the BRDF is established based on selected multiangular observations of surface reflectance. While...
    24 KB (2,891 words) - 20:07, 18 June 2025
  • Thumbnail for Spectralon
    Spectralon reflectance material are available: optical grade, laser grade, and space grade. Optical-grade Spectralon has a high reflectance and Lambertian behavior...
    8 KB (924 words) - 17:24, 4 January 2025
  • 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
  • Thumbnail for Photometric stereo
    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
  • Thumbnail for Opposition surge
    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
  • and greyed glass. A perfect (reflecting) diffuser (PRD) is a theoretical perfectly white surface with Lambertian reflectance (its brightness appears the...
    6 KB (676 words) - 17:01, 23 February 2025
  • Thumbnail for Reflection (physics)
    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
  • law, see above lambert (unit) Foot-lambert Lambert's cosine law Lambertian reflectance Lambert azimuthal equal-area projection Lambert conformal conic...
    2 KB (140 words) - 01:31, 2 September 2023
  • Thumbnail for Photometria
    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
  • the ratio of reflection of the diffuse term of incoming light (Lambertian reflectance), k a {\displaystyle k_{\text{a}}} , which is an ambient reflection...
    14 KB (2,224 words) - 22:34, 18 February 2025
  • Thumbnail for Luminance
    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
  • Thumbnail for Rendering (computer graphics)
    games#Technology.) 1760 – Lambertian reflectance model: 5.2  1931 – Standardized RGB representation of color 1967 – Torrance-Sparrow reflectance model 1968 – Ray...
    146 KB (14,346 words) - 23:35, 10 July 2025
  • body in question. Some examples: Albedo Anisotropy Bond albedo Lambertian reflectance See for example this discussion of Lunar albedo Archived April 13...
    11 KB (1,153 words) - 10:17, 2 January 2025
  • Thumbnail for Integrating sphere
    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...
    9 KB (844 words) - 20:40, 8 February 2025
  • Thumbnail for Shading
    reconstructed from a single photograph. Computer graphics lighting Lambertian reflectance List of art techniques List of common shading algorithms Shader...
    18 KB (1,846 words) - 01:57, 18 June 2025
  • Deep Lambertian Networks (DLN) is a combination of Deep belief network and Lambertian reflectance assumption which deals with the challenges posed by illumination...
    2 KB (248 words) - 18:13, 26 June 2025
  • Thumbnail for Reflection (computer graphics)
    be hovering over or resting on a wet floor. Illumination model Lambertian reflectance Ray tracing Reflection mapping Rendering (computer graphics) Specular...
    8 KB (775 words) - 07:37, 11 November 2024
  • 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
  • Thumbnail for Johann Heinrich Lambert
    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...
    22 KB (2,347 words) - 22:08, 15 June 2025
  • Thumbnail for 3D reconstruction
    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...
    32 KB (3,950 words) - 12:05, 30 January 2025
  • Thumbnail for Bidirectional scattering distribution function
    consisted of Lambertian diffusion component and a modified specular Phong component with a Fresnel type of effect. BRDF (Bidirectional reflectance distribution...
    8 KB (964 words) - 16:11, 24 May 2025
  • Thumbnail for Diffuse reflection
    the case of specular reflection. An ideal diffuse reflecting surface is said to exhibit Lambertian reflection, meaning that there is equal luminance when...
    12 KB (1,511 words) - 05:21, 10 December 2024
  • Thumbnail for Path tracing
    (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
  • Thumbnail for Gray card
    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...
    5 KB (627 words) - 23:38, 4 September 2024
  • Thumbnail for Albedo
    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...
    9 KB (515 words) - 01:28, 14 November 2024