VectorArk: Learning Practical Image Vectorization with Rounded Polygon Representation

• URL: http://arxiv.org/abs/2605.24398v1
• Date: Sat, 23 May 2026 04:53:28 GMT
• Title: VectorArk: Learning Practical Image Vectorization with Rounded Polygon Representation
• Abstract summary: We introduce VectorArk, a robust and practical model for image vectorization.<n>Our experiments show that VectorArk achieves superior geometric completeness and artifact suppression across multiple datasets.
• Score: 16.74960700300166
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Recent vision-language model (VLM)-based approaches have achieved impressive results on image vectorization tasks. However, they are typically evaluated on synthetic benchmarks, where clean SVGs are rasterized at high resolution and then re-vectorized. As a result, these methods generalize poorly to real-world scenarios, such as images with unknown rasterization methods or those generated by text-to-image models. We introduce VectorArk, a new VLM-based model designed for robust and practical image vectorization. VectorArk employs a novel rounded polygon representation that simplifies the learning process while naturally producing smooth, visually appealing primitives. We also propose a degradation model that enhances robustness across diverse and imperfect inputs. Our experiments show that, in contrast to previous methods, VectorArk achieves superior geometric completeness and artifact suppression across multiple datasets, with comprehensive ablations validating the contribution of each component.

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