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Empirically Based Printer Model of Halftone Structure

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Abstract:

A number of image quality metrics depend on the structure of the printed halftone dot. The dot structure depends in a complex way on the individual processes in a xerographic marking engine. This paper describes a model which reduces this complexity into a set of key parameters. The parameters are derived from microscopic optical measurements of the dot structure in the halftoned print on paper. The halftone printer model is written specifically for a single color separation, fast calculation, and physically based parameters. Given a fill pattern and a threshold value, it calculates the local image density as a function of position in a halftone supercell. The model has been applied to the appearance of partial pixels and to high frequency banding caused by irregularities in the raster optical scanner (ROS) beam spacing.

Document Type: Research Article

Publication date: 2004-01-01

More about this publication?
  • 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.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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