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Volume: 17 | Article ID: art00084_2
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Stochastic Frequency Distribution Analysis as Applied to Ink Jet Print Mottle Measurement
  DOI :  10.2352/ISSN.2169-4451.2001.17.1.art00084_2  Published OnlineJanuary 2001
Abstract

In any mottled digital image, the Stochastic Frequency Distribution Analysis (SFDA) algorithm measures the two dimensional rate of change in luminance values, or transitions between light and dark, from one area to the next. It is also responsive to the relative number of these transitions.In print applications SFDA mathematically describes the uniformity of ink transfer to the substrate surface by producing a number proportional to the visible, or sub-visible, degree of mottle. It also provides horizontal and vertical mottle orientation measurements.SFDA is used measure a wide variety of mottled images including, ink jet print, toner adhesion, toner quality, paper formation, ink penetration, offset and rotogravure.

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  Cite this article 

Roy R. Rosenberger, "Stochastic Frequency Distribution Analysis as Applied to Ink Jet Print Mottle Measurementin Proc. IS&T Int'l Conf. on Digital Printing Technologies (NIP17),  2001,  pp 808 - 812,  https://doi.org/10.2352/ISSN.2169-4451.2001.17.1.art00084_2

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