Results 201 to 210 of about 29,371 (234)

Miniaturization of a colorimetric cellulase activity assay on a microfluidic sensor platform. [PDF]

open access: yesRSC Adv
Hengge E   +9 more
europepmc   +1 more source

Maintenance of physicochemical, optical, and biological properties of conventional glass ionomer cement enriched with an anacardic acid-derivative compound. [PDF]

open access: yesClin Oral Investig
Genari B   +9 more
europepmc   +1 more source
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The dark side of CIELAB

SPIE Proceedings, 2012
Standardized in 1976 as a uniform color space, CIELAB is extensively utilized in color science and engineering applications. CIELAB provides both a color difference formula and correlates for common perceptual descriptors of color. Deficiencies in both areas are well-known, and based on these known limitations, numerous fixes have been developed ...
Gaurav Sharma   +1 more
openaire   +1 more source

Assessing the temporal uniformity of CIELAB hue angle

Journal of the Optical Society of America A, 2020
In recent work [J. Opt. Soc. Am. A 36, 1022 (2019)JOAOD60740-323210.1364/JOSAA.36.001022], we found that Δ E ab ∗ / s in CIELAB is not suitable for describing the perceived speed of temporal color changes in full-room illumination.
Xiangzhen Kong   +4 more
openaire   +3 more sources

Is CIELAB one space or many?

Coloration Technology, 2020
AbstractModels in colour engineering can have implicit customary usage, outside of whose parameters one is not supposed to venture. CIELAB is one such model: although able to accommodate a prediction of asymmetric matches, CIELAB is used in practice to compare colours only for a given illuminant/observer condition. Should we therefore deem CIELAB to be
openaire   +1 more source

The CIELAB reversal in calibration and verification

Color Research & Application, 2004
A CIELAB anomaly, in which smaller spectrophotometric errors at all wavelengths lead to larger CIELAB differences, is identified. It is shown that the reversal can occur throughout tristimulus space and is colorimetrically important during calibration procedures. Three numerical examples of the reversal, using data from the BCRA tiles, are given.
Hugh S. Fairman, Michael H. Brill
openaire   +1 more source

Correspondence Between CIELAB and CIELUV Color Differences

Color Research & Application, 1977
AbstractThe CIE presently recommends two uniform color spaces, the CIE 1976 (L*u*v*)‐space (CIELUV) and the CIE 1976 (L*a*b*)‐space (CIELAB). With each of these spaces is associated a color‐difference formula. Color differences calculated by one formula cannot readily be converted to color differences calculated by the other formula.
openaire   +2 more sources

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