Abstract: Human vision plays an essential role, either implicity or explicitly in image rendering, especially digital halftoning. In this paper, we review the progress that has been made in the past 16 years in understanding the visual characteristics of halftone texture and in the use of human visual system models as an intrinsic part of the halftoning algorithm. We examine the development of the direct binary search halftoning algorithm as a case study in the challenges of achieving satisfactory computational performance with a model-based halftoning algorithm.!48
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