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The Role of Diffusion in Figure Hunt Games

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Abstract

We consider the task of tracing out target figures hidden in teeming figure pictures known as figure hunt games. Figure hunt games are a popular genre of visual puzzles; a timeless classic for children, artists and cognitive scientists. We argue and experimentally demonstrate that diffusion is a key to algorithmically search for a target figure in a binary line drawing. Particularly suited to the considered task, we propose a diffuse representation which diffuses the image while retaining the contour information.

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Notes

  1. The integer constraints on \(t_r\), \(t_c\) can also be omitted with the drawback of higher computational costs. However, our experiments showed a sufficient accuracy when restricting the translation to integers.

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Acknowledgments

We thank three anonymous reviewers for their constructive feedback. We also acknowledge the financial support from the Alexander von Humboldt Foundation and Tubitak through Grant 112E208.

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Authors and Affiliations

  1. Technische Universität München, Munich, Germany

    Julia Diebold & Daniel Cremers

  2. Middle East Technical University, Ankara, Turkey

    Sibel Tari

Authors
  1. Julia Diebold
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  2. Sibel Tari
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  3. Daniel Cremers
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Correspondence to Julia Diebold.

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Diebold, J., Tari, S. & Cremers, D. The Role of Diffusion in Figure Hunt Games. J Math Imaging Vis 52, 108–123 (2015). https://doi.org/10.1007/s10851-014-0548-6

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  • DOI: https://doi.org/10.1007/s10851-014-0548-6

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