An active contour model jointly optimizes cubic Bézier curve endpoints, tangent orientations, and control points, reducing vectorization error on silhouettes traced by Inkscape, Illustrator, and a curvature baseline.
Motion by curvature of planar networks II
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abstract
We prove that the curvature flow of an embedded planar network of three curves connected through a triple junction, with fixed endpoints on the boundary of a given strictly convex domain, exists smooth until the lengths of the three curves stay far from zero. If this is the case for all times, then the evolution exists for all times and the network converges to the Steiner minimal connection between the three endpoints.
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2025 1verdicts
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An Active Contour Model for Silhouette Vectorization using B\'ezier Curves
An active contour model jointly optimizes cubic Bézier curve endpoints, tangent orientations, and control points, reducing vectorization error on silhouettes traced by Inkscape, Illustrator, and a curvature baseline.