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.

Reflectance

The ratio of reflected light flux to incident light flux.

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)

reflectance

The ratio of the reflected flux to the flux incident on a surface.
References in periodicals archive ?
This microstructure has been found to transform a transparent film into an opaque film with high diffused reflectance.
To detect RIFA nests, the spectral reflectances of 4 kinds of soil samples, namely, RIFA nest soil, ordinary soil surrounding RIFA mounds, nearby grass, and bare sand in the same environment were compared using spectral technology.
Given a surface reflectance p and direct illuminance ED due to the luminaires, it is:
i] is the ith measurement of spectral reflectance, and n is the number of measurements.
Spectral reflectance data for non aged and aged filter papers soaked in surface active agent (SAA) solution are presented at Fig.
The integrated absorptivities are lower for the high temperature emitters because their emissions are mostly in the near infrared region where the spectral reflectances of the coatings are higher.
Among the six broad wavebands, reflectances in red and NIR bands were most highly correlated with forage NDF, ADF, CP concentration, aboveground biomass, and CP availability (Fig.
The work reported here was part of an effort arising from a competency project entitled "Measurement Science for Optical Reflectance and Scattering" involving four laboratories at NIST: the Building and Fire Research Laboratory, the Information Technology Laboratory, the Manufacturing Engineering Laboratory, and the Physics Laboratory.
Spectral indices with reflectance factors, such as NDVI and waveband ratios based on simple combinations of visible and near-infrared reflectances, have been widely used in the past decades to monitor and estimate vegetation (Daughtry et al.