Abstract

In this study, the line quality defects in digital printing will be evaluated and analyzed. The design of a line quality analysis system will be described in some detail. The attributes of line qualities have been defined in the ISO13660 standard. Among them, the line width, raggedness and blurriness are used to reflect the edge features of lines. The analysis of line quality can be applied to evaluate both text and line quality. Using carefully designed test targets, it can also be used to evaluate other printing problems like inter-color bleed, positional errors from a device, and color registration problems. By using digital printer with different imaging mechanisms or different types, the three attributes, line width, edge raggedness, and edge blurriness, which best present the digital printing quality, are measured and analyzed. The measurement of the line quality attributes is made through the line tool in analysis system. The evaluation and analysis of line quality in digital printing provides a basis to solve the line quality measurement in current digital prints, and offers a practical technology for quality controlling of digital prints.

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