Single Line Drawing Generation via Semantics-Driven Optimization

doi:10.1111/cgf.70502

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Single Line Drawing Generation via Semantics-Driven Optimization

2026-05-28

Tanguy Magne *

Alexandre Binninger *

Ruben Wiersma *

Olga Sorkine‐Hornung *

DOI：10.1111/cgf.70502

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Abstract

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Line drawings are a highly expressive art form that requires the artist to abstract and distill the essence of their subject. We present the first semantics-driven method for automatically generating single-line drawings in vector format, guided either by a text prompt describing the concept or an input image depicting it. Our approach leverages score distillation sampling to optimize the parameters of a uniform rational B-spline (URBS) curve, ensuring that the drawing consists of a single continuous stroke by design. This representation provides fine-grained control over the level of detail, while additional loss terms allow us to steer the final artistic style. We demonstrate that our method outperforms state-of-the-art text-to-image models and optimization pipelines for this task, producing results that are both more aesthetically pleasing and more faithful to the style of continuous line drawing artists. Furthermore, because our method generates a vectorized curve, it directly supports downstream fabrication processes such as embroidery, laser engraving and wire bending. Our code and results are available at https://github.com/tanguymagne/SLDgen.

Keywords:

curve optimization

fabrication

single-line drawings

semantic-guided generation

URBS curves

vector graphics

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