Particle size effects in halftone image graininess

Howard A. Mizes

doi:10.1117/12.146283

18 June 1993 Particle size effects in halftone image graininess

Howard A. Mizes

Proceedings Volume 1912, Color Hard Copy and Graphic Arts II; (1993) https://doi.org/10.1117/12.146283
Event: IS&T/SPIE's Symposium on Electronic Imaging: Science and Technology, 1993, San Jose, CA, United States

Abstract

We quantitatively define a metric of image graininess and derive an analytic expression that relates toner number fluctuations in halftone dots to graininess. We then go on to define the random sequential adsorption (RSA) model, a simple model of particle deposition from which the statistics of development can be numerically calculated. Using the RSA model we find an analytic expression that gives the graininess as a function of toner size. The model is then extended to allow for the effect of a finite toner size distribution. We find that low graininess can be achieved for quite large toners, and the effect of finite size distributions on graininess is minor.

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Howard A. Mizes "Particle size effects in halftone image graininess", Proc. SPIE 1912, Color Hard Copy and Graphic Arts II, (18 June 1993); https://doi.org/10.1117/12.146283

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KEYWORDS

Imaging systems

Printing

Boundary scan

Image resolution

Composites

Human vision and color perception

Halftones

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