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Supercell dither masks with constrained blue noise interpolation

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When halftoning images using dither halftoning algorithms, traditional clustered dot dither algorithms trade off cluster cell size versus the number of gray levels. Supercell clustered dot dither algorithms are used to obtain a small cluster cell size while allowing a large number of gray levels to be rendered. However, commonly used supercell clustered dot dither algorithms have unpleasant patterns at certain gray levels. We present an algorithm to use constrained blue noise to correct such unpleasant patterns. We also illustrate how this algorithm can generate nonlinear dither masks which can compensate for dot gain without the use of a separate tone reproduction curve.

Document Type: Research Article

Publication date: 2001-01-01

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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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