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18 December 2003 Update on INCITS W1.1 standard for evaluating the color rendition of printing systems
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Abstract
The color rendition ad hoc team of INCITS W1.1 is working to address issues related to color and tone reproduction for printed output and its perceptual impact on color image quality. The scope of the work includes accuracy of specified colors with emphasis on memory colors, color gamut, and the effective use of tone levels, including issues related to contouring. The team has identified three sub-attributes of color rendition: (1) color quantization -- defined as the ability to merge colors where needed, (2) color scale -- defined as the ability to distinguish color where needed, and (3) color fidelity -- defined as the ability to match colors. Visual definitions and descriptions of how these sub-attributes are perceived have been developed. The team is presently defining measurement methods for these, with the first of the sub-attributes considered being color quantization. More recently, the problem of measuring color fidelity has been undertaken. This presentation will briefly review the definitions and appearance of the proposed sub-attributes. The remainder of the discussion will focus on the progress to date of developing test targets and associated measurement methods to quantify the color quantization and color fidelity sub-attributes.
© (2003) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Robert Cookingham, Edul N. Dalal, Susan Farnand, Dmitri Gusev, William C. Kress, Oscar Martinez, Ann McCarthy, Karin Topfer, and Eric K. Zeise "Update on INCITS W1.1 standard for evaluating the color rendition of printing systems", Proc. SPIE 5294, Image Quality and System Performance, (18 December 2003); doi: 10.1117/12.531035; https://doi.org/10.1117/12.531035
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