Modeling large-area influence in digital halftoning for electrophotographic printers

Yanling Ju; Dhruv Saxena; Tamar Kashti; Dror Kella; Doron Shaked; Mani Fischer; Robert Ulichney; Jan P. Allebach

doi:10.1117/12.912769

24 January 2012 Modeling large-area influence in digital halftoning for electrophotographic printers

Yanling Ju, Dhruv Saxena, Tamar Kashti, Dror Kella, Doron Shaked, Mani Fischer, Robert Ulichney, Jan P. Allebach

Proceedings Volume 8292, Color Imaging XVII: Displaying, Processing, Hardcopy, and Applications; 82920X (2012) https://doi.org/10.1117/12.912769
Event: IS&T/SPIE Electronic Imaging, 2012, Burlingame, California, United States

Abstract

Digital halftoning provides a mechanism for rendering continuous-tone images on devices such as printers. With electrophotography, the deposition of toner within the area of a given printer addressable pixel is strongly influenced by the halftone values of the immediately neighboring pixels. To account for these effects, it is necessary to embed a printer model in the halftoning algorithm. In our previous work, we used an efficient strategy to account for the impact of a 5x5 neighborhood of pixels on the central pixel absorptance. Now we examine the potential influence of a much larger neighborhood (45x45) of the digital halftone image on the measured value of a printed pixel at the center of that neighborhood. The experiment shows that the extended model yields a significant improvement in the accuracy of the prediction of the pixel values of the printed and measured halftone image.

Citation Download Citation

Yanling Ju, Dhruv Saxena, Tamar Kashti, Dror Kella, Doron Shaked, Mani Fischer, Robert Ulichney, and Jan P. Allebach "Modeling large-area influence in digital halftoning for electrophotographic printers", Proc. SPIE 8292, Color Imaging XVII: Displaying, Processing, Hardcopy, and Applications, 82920X (24 January 2012); https://doi.org/10.1117/12.912769

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