diffuse illumination

diffuse illumination

[də′fyüs i‚lüm·ə′nā·shən]
(optics)
Lighting so arranged that the object is illuminated from many directions or sources.

diffuse illumination

Lighting arranged so that an object is illuminated from a very large number of directions, rather than predominantly from a single direction.
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References in periodicals archive ?
Diffuse illumination shines through the holes in the crude steel, which was also used on the facade overhang and on front surfaces of steps between levels, tying the various areas together.
Abstract The blackness perception of six black automotive finishes was evaluated under three different illumination conditions: unidirectional illumination, diffuse illumination and light booth condition.
Diffuse Illumination of Pavement Marking Materials Using a Portable
The CRIB features highly diffuse illumination, which prevents shadows from obscuring fine root structures.
All other areas (outside direct sun path) receive diffuse illumination in the range of 850 to 2850 lx.
The optical efficiency of the Makrolon polycarbonate material allowed Fraen to develop a reflector that delivers a pleasing, diffuse illumination that is suitable for use in a wide range of lighting applications and fixtures, including general interior lighting, troffer fixtures and low bay commercial and architectural fixtures.
To avoid shines a system SCDI of diffuse illumination NER SCDI-25-F0 was used and the technique of coaxial illumination was implemented.
When slightly tilting the label about a vertical axis, both the parallactic shift in the 2D/3D area and the exploding microtext (Figure 3) can be readily observed even under relatively diffuse illumination.
Diffuse illumination provides a very uniform light intensity across the entire object with light striking it from many angles.
Whiteness and tint of paper and paperboard (using d/0 geometry, diffuse illumination and normal viewing, D65 source)"
E 2302, Standard Test Method for Measurement of Luminance Coefficient Under Diffuse Illumination of Pavement Marking Materials with CEN-Prescribed Geometry Using a Portable Reflectometer, is used to evaluate horizontal road stripes, symbols, and pavement surfaces.
Having multiple illumination modes available, such as specular (perpendicular incidence) and diffuse illumination (oblique incidence), is important.

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