色の測定と計算について

概要

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This article briefly describes the principle of colorimetric calculation and introduces representative new measuring and calculating instruments. They include several recording spectrophotometers combined with tristimulus integrators. Their computers have been developed from the analogue type to the digital type with marked improvements in accuracy and versatility in calculation. The new automated instruments provide full information about a color sample in a few minutes and by a very simple operation.<BR>The photoelectric filter colorimeter, which is a kind of analogue computer for tristimulus integration, is increasingly useful industrially, because it directly reads chromaticity coordinates and other values correlated with color difference, as well as tristmulus values.<BR>The final section of the article reviews recent recommendations by the CIE Colorimetery Committe, such as 1964 matching functions and the UVW system, and discusses their influence on colorimeteric calculation.
社団法人日本繊維機械学会の論文