We propose strategies for reducing the operations required by a high-quality halftoning algorithm, Direct Binary Search (DBS) and compare the errors in the resulting halftones from the proposed methods, standard DBS, dithering, and error diffusion.
Sagar Bhatt, John Sabino, John Harlim, Joel Lepak, Robert Ronkese, Chai Wah Wu, "Comparative Study of Search Strategies for the Direct Binary Search Image Halftoning Algorithm" in Proc. IS&T Int'l Conf. on Digital Printing Technologies (NIP22), 2006, pp 244 - 247, https://doi.org/10.2352/ISSN.2169-4451.2006.22.1.art00063_1