1 May 1992 Evaluating colorimetric repeatability of continuous ink jet images
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Abstract
Determining the color repeatability of images from color output devices is paramount for color-critical applications. Color should be described in coloriinetric values which are then used to make a probability statement about printed color repeatability. Experiments are described that determine color repeatability for a four color continuous ink jet printer using colorimetric methods and probability ellipses. CIELab measurements were taken from several ink jet prints which contained a standard test image. The test image consisted of an array of color patches with different colorant amounts. Two-dimensional ellipses, representing the 95% a*,b* confidence interval, were then computed for each color patch to establish color repeatability. Typical results showed that ellipse axes were not parallel to the a*,b* axes, suggesting that simple a*,b* tolerances would lead to an inaccurate repeatability statement.
© (1992) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
John L. Ingraham, John L. Ingraham, } "Evaluating colorimetric repeatability of continuous ink jet images", Proc. SPIE 1670, Color Hard Copy and Graphic Arts, (1 May 1992); doi: 10.1117/12.2322232; https://doi.org/10.1117/12.2322232
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