Research on a Method for Evaluating the Line Sharpness in Digital Printings

Abstract:

A method for evaluating the line sharpness in digital printings is established. First of all, a test diagram, with some lines spaced with the same distance as the lines width, orienting in horizontal and vertical direction, was designed. A digital printer was used to output the test diagram on eighteen kinds of paper commonly used in market. From the eight attributes of line quality in ISO/IEC 13660 standard, three attributes, that are contrast, edge raggedness and line width, which were extracted our to be the main index describing the line sharpness. Furthermore, connecting them with the subjective evaluation, an evaluation model for predicting the perceived line sharpness were established, and the model show that the perceived line sharpness was highly correlated with these three attributes, among which quantified contrast exhibits the highest correlation with subjective, while raggedness and width exhibits a similar and weaker correlation. The perceived line sharpness was able to be predicted through a linear model.

• Periodical: Advanced Materials Research (Volume 174)
• Pages: 223-226
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.174.223
• Online since: December 2010
• Authors: Gui Ping Jiang, Yan Fang Xu, Ge Guo, Li Li Liu
• Keywords: Digital Printing, Line Sharpness, Objective Evaluation, Subjective Evaluation

References

[1] Information on http: /www. qea. com or info@qea. com.

[2] ISO/ TEC13660, Information Technology-office equipment-measurement of Image Quality Attributes for Hardcopy Output2binary Monochrome Text and Graphic Images(2001).

DOI: 10.3403/30236858u

[3] Xu Yanfang, etal: Information recording materials Vol. 10 (2009), pp.9-12.