IEEE Transactions on Computers · 1970 · 28 citations · 3 references
Line PrinterEngineeringMedical ImagingExpressive RenderingVisual ComputingComputational ImagingComputer-aided DesignPictorial OutputDigital ImagingPseudorandom NoiseHealth Sciences
An improved method for the production of pictorial output on a line printer is described. A reasonable black-white contrast ratio is obtained by overprinting up to eight characters, and pseudorandom noise is used to smooth out discontinuities in the range of print densities.
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Picture coding using pseudo-random noise
Lawrence G. Roberts · IEEE Transactions on Information Theory · 1962 · 341 citations