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Improved Color Error Diffusion

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We present a novel error-diffusion technique for halftoning color-separated images. The method correlates the different ink planes in a pixelwise manner and minimizes the overlap of dots from different colors to optimize the color halftone with respect to graininess.

It is a two-step error diffusion: in a first step it is determined how many ink drops should be placed at a particular pixel without specifying the color of these drops. In a second step the color of these ink drops is determined.

Document Type: Research Article

Publication date: January 1, 2001

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  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.

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