reflectance


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reflectance

(ri-flek -tăns) The ratio of the total radiant power reflected by a body to that incident on it.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006

Reflectance

The ratio of reflected light flux to incident light flux.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved

reflectance

[ri′flek·təns]
(computer science)
In optical character recognition, the relative brightness of the inked area that forms the printed or handwritten character; distinguished from background reflectance and brightness.
(electricity)
(physics)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

reflectance

The ratio of the reflected flux to the flux incident on a surface.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Skin cancer diagnosis with reflectance confocal microscopy reproducibility of feature recognition and accuracy of diagnosis.
Therefore, we conducted a post hoc analysis to investigate whether mean total reflectance correlated with the number of appendages used in the strike.
No recurrence has been detected clinically, dermoscopically, or by reflectance confocal microscopy.
2, the incorporation of Al pigments in injection molded parts produced a mirror-like appearance, which has a strong reflectance of light, and a sparkling-metallic effect when used in parts.
It is not commonly known that trace amounts of manganese dioxide yields a mauve pink color in ceramic glazes (Figure 9), which matches the reflectance spectra of the tiles in the orange-red region (600-700 nm) with some minor light reflectance in the violet-blue region (400 nm).
For powder samples of sedimentary rock, larger particle size (0.25-1.2 mm) displays lower reflectance, but shows more obvious spectral features in their spectral bands [12].
Retinal Layer Reflectance. Mean retinal layer reflectance and regression coefficients obtained in DME subjects after adjusting for age, sex, race, diabetes type, diabetes duration, and HbA1c are listed in Table 2.
Where: [[rho].sub.nir], [[rho].sub.r], [[rho].sub.g] and [[rho].sub.b] are reflectance in the near-infrared, red, green, and blue spectra respectively; L is a constant that minimizes the ground effect (L=1); G is the gain factor (G=2.5); and C1 and C2 are adjustment factors to minimize the effect of aerosols in the atmosphere (C1=6.5 and C2=7.5).
The specular reflectance (SR) was measured by spectroscopic reflectometer (Raditech, Taiwan) at a light incidence angle of 0[degrees].
The total reflectance was used as a first check to identify the appropriate process parameters.
The MOD021km data include calibrated top of atmosphere (TOA) radiance and reflectance for 36 bands, which are determined by resampling channel data with different spatial resolutions down to 1 km resolution.
The measurement session consisted of collecting a photographic image of the test area on the subject's forearm and acquiring reflectance measurements of the test area.