In this paper, we explore different notions of shape complexity, drawing from established work in mathematics, computer science, and computer vision. Our measures divide naturally into three main categories: skeleton-based, symmetry-based, and those based on boundary sampling. We apply these to an established library of shapes, using k-medoids clustering to understand what aspects of shape complexity are captured by each notion. Our contributions include a new measure of complexity based on the Blum medial axis and the notion of persistent complexity as captured by histograms at multiple scales rather than a single numerical value.
CITATION STYLE
Chambers, E., Emerson, T., Grimm, C., & Leonard, K. (2018). Exploring 2D shape complexity. In Association for Women in Mathematics Series (Vol. 12, pp. 61–83). Springer. https://doi.org/10.1007/978-3-319-77066-6_4
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