ArtChart: A Benchmark for Faithful Artistic Chart Generation with Integrated Text Rendering

• URL: http://arxiv.org/abs/2607.16060v1
• Date: Fri, 17 Jul 2026 15:38:33 GMT
• Title: ArtChart: A Benchmark for Faithful Artistic Chart Generation with Integrated Text Rendering
• Abstract summary: ArtChart is a framework for artistic chart generation with integrated text rendering.<n>This paper introduces ArtChart, a framework for artistic chart generation with integrated text rendering.
• Score: 12.880601142154767
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Artistic charts make data memorable and visually engaging, but generating them faithfully demands simultaneously preserving numerical geometry, rendering exact in-image text, binding labels to correct marks, and maintaining coherent artistic style. Current text-to-image and image editing models frequently fail on these coupled constraints, producing distorted geometries, hallucinated text, misbound labels, or over-stylized marks that undermine readability and mathematical integrity. This paper introduces ArtChart, a framework for artistic chart generation with integrated text rendering, encompassing a task definition, benchmark, and evaluation protocol. This is the first work to simultaneously address mathematically faithful chart synthesis, accurate in-image text rendering, and artistic stylization of chart elements. ArtChart features a chart-specific plug-and-play module conditioned on text-free grayscale chart layouts, ensuring mathematical and logical fidelity. A RL learning strategy with OCR accuracy, layout quality, and aesthetic rewards refines generation, while a multi-expert distillation framework resolves inter-reward conflicts through specialized expert optimization. We construct ArtChart-Bench, a bilingual 2K-prompt benchmark spanning four chart types and diverse label formats. We further design ArtChart-Eval, a six-axis evaluation suite covering mathematical logic, text accuracy, text layout, aesthetics, instruction following, and readability, supporting comparison across T2I, image-editing, controllable-generation, and closed-source API models. Extensive experiments demonstrate that ArtChart consistently outperforms open-source baselines, producing charts that are both visually appealing and math faithful.

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