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Search Publications by: C Cameron Miller (Fed)

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Displaying 26 - 50 of 84

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

Energy Efficient Lighting - Solid State Luminaires (Handbook 150-1A)

February 27, 2009
Author(s)
C Cameron Miller, Lawrence I. Knab, Ambler Thompson, Jon M. Crickenberger
NIST Handbook 150-1A presents technical requirements and guidance for the accreditation of laboratories under the National Voluntary Laboratory Accreditation Program (NVLAP) Energy Efficient Lighting/Solid State Lighting program. It is intended for

Detector-based calibration procedures for tristimulus colorimeter standards

September 15, 2008
Author(s)
George P. Eppeldauer, Carl C. Miller, Yoshihiro Ohno
Two reference and three working standard tristimulus colorimeters have been developed at the National Institute of Standards and Technology (NIST) to utilize the recently introduced detector based colorimeter calibration method [1]. The tristimulus

NIST HB-1A Energy Efficient Lighting - Solid State Luminaires

December 7, 2007
Author(s)
C Cameron Miller, Lawrence I. Knab, Ambler Thompson, Jon M. Crickenberger
NIST Handbook 150-1A presents technical requirements and guidance for the accreditation of laboratories under the National Voluntary Laboratory Accreditation Program (NVLAP) Energy Efficient Lighting/Solid State luminaires program. It is intended for

Measurement of Solid-State-Lighting Products

July 11, 2007
Author(s)
Yoshihiro Ohno, Carl C. Miller
This paper discusses issues of photometric measurements of solid-state-lighting (SSL) products, for quantities including luminous flux, luminous efficacy, luminous intensity distribution, and color characteristics. Standards for SSL products are urgently

Measuring the Luminance of a Retroreflective Sign

July 11, 2007
Author(s)
Carl C. Miller, T Heimer, Tim Donahue, M Schwartz, David Kuniega
The area of retroreflective signage for traffic control is moving from fixed retroreflective requirements to a traffic scenario/performance based system. CIE Technical Report 54.2, Retroreflection: Definition and Measurement , published in 2001, offers

New Photometer Standards for Low Uncertainty Illuminance Scale Realization

July 11, 2007
Author(s)
George P. Eppeldauer, Carl C. Miller, Yoshihiro Ohno
Improved performance photometers have been developed at the National Institute of Standards and Technology (NIST) to utilize the low spectral responsivity uncertainty of spectral irradiance responsivity measurements performed on the facility of Spectral

Pilot Study on Daytime Color Appearance of Retroreflective Sheeting

July 11, 2007
Author(s)
Wendy L. Davis, Carl C. Miller, Jason Kennedy, Carl Andersen
In this experiment, reference instrument measurements of the chromaticity of retroreflective materials were compared with human visual perceptions of their colors under daytime conditions. A hue scaling method was used to measure perceived color. Four