Abstract
AbstractA method (or measuring the modulation transfer function (MTF) of digital printers is described that applies well-known techniques from the analysis of random data. More specifically, it is well-known that the input and output noise power spectra of linear systems can be used to estimate their transfer characteristics. In this application, small-amplitude one-dimensional white noise is used as the input to a digital laser printer. The noise power spectrum of the resulting film image is then estimated. From this the small-signal system MTF is obtained. This method will be demonstrated and discussed in the context of other methods described in the literature.
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