An Uncertainty analysis of a color tolerance database

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Title: An Uncertainty analysis of a color tolerance database
Author: Balonon-Rosen, Mitchell
Abstract: A database designed to develop, evaluate and compare color-difference formulae, particularly for use within the suprathreshold industrial-sized range, so named for its importance in many commercial transactions, has been under development at the Munsell Color Science Laboratory. The database consists of two independent data sets, previously published. The sets and the experimental conditions under which they were derived were analyzed to determine the appropriateness of pooling the data. The earlier of the two studies had associated statistics which indicated a population of highly precise observers. The latter study's population displayed a significantly greater level of uncertainty. The current work concluded that the increase in observer imprecision was a consequence of increased task difficulty. A median filtering of raw individual observer responses improved interpretability of the data and enabled pooling of the sets. The pooled results were compared with various widely used color-difference formulae of which CMC(1:1) had the highest correlation.
Record URI: http://hdl.handle.net/1850/11066
Date: 1993-04-15

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