Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

Colorimetric Significance of Spectrophotometric Errors

Not Accessible

Your library or personal account may give you access

Abstract

Some recent interlaboratory surveys have demonstrated poor agreement between color measurements made with different spectrophotometers. It is suggested that instruments should have a precision at least equal to that of the human eye, and that this requires that errors be represented by a distance not greater than 0.2 units in C.I.E. (U*V*W*) space. Tolerances for several different types of error in both the photometric and the wavelength scales of a spectrophotometer are derived by calculating their effects on a number of samples, covering a wide range of color, and comparing this effect with the tolerance of 0.2 C.I.E. units. To fulfill this tolerance, errors which are independent of wavelength should be less than 0.4% if they are proportional to spectral reflectance, and less than 0.4% of the luminous reflectance if they are independent of spectral reflectance. If the error varies systematically with wavelength, the tolerances are reduced to half these values. Constant errors of wavelength should be less than 0.2 nm, random errors less than 0.3 nm, and slit widths less than 7 nm.

© 1967 Optical Society of America

Full Article  |  PDF Article
More Like This
Chromatic Significance of Spectrophotometric Errors

Thorne Shipley and Gordon L. Walker
J. Opt. Soc. Am. 46(12) 1052-1060 (1956)

Effect of spectrophotometric errors on color difference

S. J. Kishner
J. Opt. Soc. Am. 67(6) 772-779 (1977)

Chromatic Significance of Spectrophotometric Errors

D. L. MacAdam
J. Opt. Soc. Am. 47(8) 766-766 (1957)

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Tables (6)

You do not have subscription access to this journal. Article tables are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Equations (34)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved