Graphic analysis and comparison of tone reproduction by contact screens with known nonlinear spatial transmittances.

Abstract

A comparison of tone reproduction by contact screens with one-dimensional nonlinear spatial transmittance describable by sinusoidal, logarithmic, and exponential functions is presented. A graphic analysis of these transmittances and of those of commercial screens and screens with linear spatial transmittance is also included. Based on the result of the… (More)

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