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Search Publications by: C Cameron Miller (Fed)

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Displaying 51 - 75 of 166

VISION EXPERIMENT ON CHROMA SATURATION FOR COLOR QUALITY PREFERENCE

July 31, 2015
Author(s)
Yoshihiro Ohno, Carl C. Miller, Mira Fein
Color Rendering Index (CRI) often does not correlate well with visual evaluation of color rendering of light sources at real illuminated scenes. The main reason is that CRI measures color fidelity, while general users judge color rendering based on their

Statistical Methods for Analyzing Color Differences

June 2, 2011
Author(s)
Maria E. Nadal, Carl C. Miller, Hugh Fairman
Multi-valued measurands, such as spectral reflectance or transmission, tristimulus values, are usually analyzed by reducing the data to a single-valued parameter, such as color difference. The variations of sets of color differences are non-normal

Reflectance Factor Measurement Complications Due to Near Infrared Fluorescence

September 1, 2010
Author(s)
Maria E. Nadal, Carl C. Miller, Clarence J. Zarobila
The researchers at the National Institute of Standards and Technology (NIST) have found that the widely used orange and red color tiles unexpectedly exhibit near infrared fluorescence. An analysis of the effect this fluorescence component has on the

Extension of the NIST tristimulus colorimeter for solid-state light source measurements

May 29, 2009
Author(s)
George P. Eppeldauer, Carl C. Miller, Thomas C. Larason, Yoshihiro Ohno
In order to obtain improved color measurement uncertainties for solid state light (SSL) sources, the second generation tristimulus colorimeter of NIST has been extended with a fifth channel to perform efficient matrix corrections for the spectral mismatch

NIST SPECTRALLY TUNABLE LIGHTING FACILITY FOR COLOR RENDERING AND LIGHTING EXPERIMENTS

May 29, 2009
Author(s)
Carl C. Miller, Yoshihiro Ohno, Wendy L. Davis, Yuqin Zong, Kevin Dowling
The National Institute of Standards and Technology has developed a spectrally tunable lighting facility to allow state-of-the-art vision experiments on color rendering and lighting. The facility is composed of two cubicles, each lit by a spectrally tunable