Abstract

Digital halftoning is the process of converting a continuous-tone image into an arrangement of printed and not-printed dots distributed to create an illusion of continuous tone. Traditional halftoning algorithms are inappropriate for lenticular screening where multiple images are columnwise multiplexed into a single image with statistically independent gray levels across neighboring columns. As a means of minimizing intercolumn distortion, we introduce iterative tone correction where gray levels of the spliced image are modified to account for dot overlap. The principal advantage of this new technique is that it preserves the ability to use a traditional, stochastic, halftoning algorithm on the component images prior to spatial multiplexing.

© 2006 Optical Society of America

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