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- Title
A New Look at the Gray Scale.
- Authors
Pigott, William T.
- Abstract
Appearance grading in paired comparisons is combined with the Gray Scale to realize improved definition afforded by paired comparisons and the permanent reference feature of the Gray Scale. Results are in Gray Scale units but are on a more nearly continuous scale; have properties of instrumental measurements; and may be compared directly from evaluation-to-evaluation, often widely separated in time. Presumably paired comparisons also could be combined with some arbitrary standards selected by the user—for a tactile response, for example—to define other more nearly continuous reference scales and use them accordingly. Wear process concepts used in traditional engineering applications are applied to appearance deterioration associated with wear in a textile product. Appearance responses in reciprocal Gray Scale units result in more tractable model expressions for describing how mean appearance and its dispersion change during the course of wear exposure.
- Subjects
GRADING (Commercial products); TEXTILES; COLOR; PAIRED comparisons (Mathematics); GRAY; TESTING
- Publication
Textile Chemist & Colorist, 1978, Vol 10, Issue 3, p35
- ISSN
0040-490X
- Publication type
Article