Artistic thresholding

  • Authors:
  • Jie Xu;Craig S. Kaplan

  • Affiliations:
  • University of Waterloo;University of Waterloo

  • Venue:
  • NPAR '08 Proceedings of the 6th international symposium on Non-photorealistic animation and rendering
  • Year:
  • 2008

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Abstract

We consider the problem of depicting continuous-tone images using only black and white. Traditional solutions to this problem include halftoning, which approximates tones, and line drawing, which approximates edges. We introduce "artistic thresholding" as a technique that attempts to depict forms in an image. We apply segmentation to a source image and construct a planar subdivision that captures segment connectivity. Our artistic thresholding algorithm is a combinatorial optimization over this graph. The optimization is controlled by parameters that can be tuned to achieve different artistic styles.