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Volume: 21 | Article ID: art00059_1
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On the Density-dependence of Sharpness in Thermal Print Media
  DOI :  10.2352/ISSN.2169-4451.2005.21.1.art00059_1  Published OnlineJanuary 2005
Abstract

In direct thermal print media where image dyes are formed in a layer structure, edge sharpness is observed to be dependent on density, and to be related to internal scattering and reflection. To study the effect quantitatively in various digital print media, a one-step scanner-based methodology was developed to measure MTF and SQF sharpness as a function of density and contrast on a single continuous density edge target. This was used to confirm that a previously described multi-resolution algorithm successfully corrected the density-dependent sharpness loss in direct thermal media.

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Dirk Hertel, "On the Density-dependence of Sharpness in Thermal Print Mediain Proc. IS&T Int'l Conf. on Digital Printing Technologies (NIP21),  2005,  pp 207 - 210,  https://doi.org/10.2352/ISSN.2169-4451.2005.21.1.art00059_1

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