Perceptual Color Granularity Metric via Scanner
Abstract:Perceived graininess is one of the most important image artifact attributes to describe the image quality of a printing system. Although a international standard, ISO13660, defines the perceived graininess on a monochrome image, rapid prevalence of color printing systems in recent years significantly increases the demand for a color granularity metric which correlates with visual assessment in the color space. We propose to adopt flatbed scanners to efficiently capture high-frequency color noise. The perceived noise is then mapped to the visually uniform CIEDE2000 color difference space. Consequently, a psychophysical experiment will be conducted to evaluate the perceived grain on patches with various colorants. At last, we will propose a color granularity metric to best describe the obtained color grain perception.
Document Type: Research Article
Publication date: 2004-01-01
For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.
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