PosterForest: Hierarchical Multi-Agent Collaboration for Scientific Poster Generation

• URL: http://arxiv.org/abs/2508.21720v1
• Date: Fri, 29 Aug 2025 15:36:06 GMT
• Title: PosterForest: Hierarchical Multi-Agent Collaboration for Scientific Poster Generation
• Authors: Jiho Choi, Seojeong Park, Seongjong Song, Hyunjung Shim,
• Abstract summary: We introduce the textitPoster Tree, a hierarchical intermediate representation that jointly encodes document structure and visual-textual relationships.<n>Our framework employs a multi-agent collaboration strategy, where agents specializing in content summarization and layout planning iteratively coordinate and provide mutual feedback.
• Score: 28.02969134846803
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We present a novel training-free framework, \textit{PosterForest}, for automated scientific poster generation. Unlike prior approaches, which largely neglect the hierarchical structure of scientific documents and the semantic integration of textual and visual elements, our method addresses both challenges directly. We introduce the \textit{Poster Tree}, a hierarchical intermediate representation that jointly encodes document structure and visual-textual relationships at multiple levels. Our framework employs a multi-agent collaboration strategy, where agents specializing in content summarization and layout planning iteratively coordinate and provide mutual feedback. This approach enables the joint optimization of logical consistency, content fidelity, and visual coherence. Extensive experiments on multiple academic domains show that our method outperforms existing baselines in both qualitative and quantitative evaluations. The resulting posters achieve quality closest to expert-designed ground truth and deliver superior information preservation, structural clarity, and user preference.

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