New dispersed-dot halftoning technique by elimination of unstable pixels for electrophotography

New dispersed New dispersed-dot dot halftoning halftoning technique technique by elimination of unstable pixels by elimination of unstable pixels for for electrophotography electrophotography ‹ Problem about printing process of electrophotography – Analog unstableness • Stochastic reproduction of small dots • Degradation of image quality ‹ Proposal method – New dispersed-dot halftoning • Combining a Gaussian filter of with a sigmoid nonlinear function – Computing the probability of toner transfer • Using nonlinear printer model – Predicting an image to be printed out – Producing halftoned images with small perceptive error Abstract Abstract 3 / 21