Examples of 'lambertian' in a sentence
Meaning of "lambertian"
Lambertian (adjective): Referring to a surface that diffusely reflects light equally in all directions. Often used in the context of physics and optics
Show more definitions
- Obeying Lambert's cosine law.
- Alternative form of Lambertian
How to use "lambertian" in a sentence
Basic
Advanced
lambertian
Clear glass does result in slightly reduced light due to the lambertian refraction effect.
This diffusion is a homogeneous Lambertian diffusion also including the orthogonal and parallel polarisations.
The emission diagram of a source may be Lambertian.
A generating kernel that produces a Lambertian distribution is locally ergodic.
The emission pattern of a source may be Lambertian.
Since these techniques require a diffused or lambertian surface, their application to transparent surfaces fails.
The second surface light sources can be Lambertian.
In computer graphics, Lambertian reflection is often used as a model for diffuse reflection.
The emission cone is here a Lambertian cone.
The Lambertian reflectance arises from the material's surface and immediate subsurface structure.
The emission cone may for example be Lambertian.
With a Lambertian screen, the term in the numerator is virtually constant with observation position.
It is normalized with respect to a Lambertian diffuser.
An optional Lambertian or non-Lambertian diffuser 178 may be disposed in the optical path.
Such surfaces are said to be Lambertian.
See also
The viewing angle index for a lambertian emitter radiating into a hemisphere is 0.5.
Most of the LEDs on the market have a Lambertian emission.
Metallic objects have no lambertian diffuse term . Well, not a lie, I just like being dramatic.
The light radiation hence loses the Lambertian characteristic.
In both cases, the light beam generated by the luminaire will be lambertian.
We will describe here a simple model known as Lambertian shading or cosine shading.
Spectralon is a material which is designed to exhibit an almost perfect Lambertian reflectance.
The light source 40 is of a Lambertian type and radiates a light with a wavelength of 0.88 um.
Photometric stereo method estimates the surface normals of a Lambertian surface.
Three types of interreflection model were studied, Lambertian, mirror-like, and « interfaced » Lambertian materials.
The light emitted by each ledes within the cavity is generally a Lambertian pattern.
Figure 9a shows a scattering / reflection pattern from a lambertian surface, i.e. uniform scattering in all directions.
If a light source is homogeneous in its distribution of light, it is called a Lambertian source.
Fig 1 illustrates schematically a part of a system 2 where Lambertian ledes 4 are arranged on a glass plate substrate 6.
Hence, the reflection characteristic of the diffusely reflective part more closely resembles a substantially Lambertian diffuser.
Most of past work assumes that the surface is Lambertian and therefore perfectly diffuse.
The light output of the check source 5 is scattered using diffuser 15 to create a lambertian source.
A surface which obeys Lambert 's law is said to be Lambertian, and exhibits Lambertian reflectance.
Area lamps emit light from a square or rectangular area with a Lambertian distribution.
The emission pattern of a diode is conventionally Lambertian with an emission half angle of 60 °.
A gain of 1 represents the level which would be reflected from a Lambertian surface.
The classical photometric stereo problem concerns itself only with Lambertian surfaces, with perfectly diffuse reflection.
The second surface light source 34 can be Lambertian.
Preferably, the roughened surface is lambertian or near-lambertian.
Comparison of particle distributions in an isotropic hemispherical release ( left ) and a Lambertian release ( right ).
An example to illustrate this context, for perfectly lambertian surface the BSDF ( angle ) = const.
Opal Diffusing Glass can be used to achieve a near Lambertian distribution.
Therefore, a black body is a perfect Lambertian radiator.
In that case, the light souce is of a Lambertian type.
Further, the light source is not required to be a Lambertian emitter.
Alternatively, a transparent non-scattering element in contact with a Lambertian surface may be employed.
For example, top emitters might be used which provide a Lambertian light distribution.
Fig . 5A illustrates a device emitting light in a Lambertian pattern.