Abstract
We outline an artificial perception model for an algorithm that detects junctions in casual sketches. These sketches are used by skilled individuals to visually and quickly convey ideas. The new algorithm detects junctions in 2D, before any 3D model is available. Tips of line segments are merged into 2D junctions that are assumed to depict 3D vertices. The current scope is limited to line-drawings of polyhedral objects vectorized from sketches. The process mainly uses information that is available in the neighborhood of the candidate junction. The algorithm calculates a figure of merit that estimates how likely a junction is to be perceived as such.
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Company, P., Varley, P. A. C., Plumed, R., & Camba, J. D. (2019). Detection of vertices in sketched drawings of polyhedral shapes. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 11401 LNCS, pp. 376–383). Springer Verlag. https://doi.org/10.1007/978-3-030-13469-3_44
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