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Differential operators on sketches via alpha contours
(Association for Computing Machinery, 2023-08)
A vector sketch is a popular and natural geometry representation depicting a 2D shape. When viewed from afar, the disconnected vector strokes of a sketch and the empty space around them visually merge into positive ...
Keypoint-driven line drawing vectorization via polyvector flow
(Association for Computing Machinery, 2021-12)
Line drawing vectorization is a daily task in graphic design, computer animation, and engineering, necessary to convert raster images to a set of curves for editing and geometry processing. Despite recent progress in the ...