StructGen: Disambiguating Multi-Reference Image Generation via Structured Context Modeling

• URL: http://arxiv.org/abs/2607.15619v2
• Date: Mon, 20 Jul 2026 04:43:29 GMT
• Title: StructGen: Disambiguating Multi-Reference Image Generation via Structured Context Modeling
• Abstract summary: Multi-reference image generation aims to synthesize images by integrating attributes from multiple reference images under textual instructions.<n>Existing approaches, which rely solely on natural language instruction, often fail to capture complex intentions precisely.<n>We propose StructGen, which employs a structured, dictionary-like format to encode multiple reference images.
• Score: 112.49355973930555
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Multi-reference image generation aims to synthesize images by integrating attributes from multiple reference images under textual instructions. As the number of references increases, the task necessitates complex semantic comprehension, such as correctly associating attributes with the intended subjects and planing out coherent spatial arrangement between subjects and their environments. Existing approaches, which rely solely on natural language instruction, often fail to capture these complex intentions precisely, leading to semantic misalignment and inconsistent generation. We identify two key factors behind these limitations: natural language instructions are often verbose and ambiguous, and high-quality multi-reference data is scarce. To address these issues, we propose StructGen, which employs a structured, dictionary-like format to encode multiple reference images, thereby enabling explicit and unambiguous specification of generation intentions. To support this design, we construct a structured dataset based on high-quality real images and develop a corresponding training framework, along with a dedicated benchmark for challenging multi-reference scenarios. Extensive experiments on both public benchmarks and our proposed benchmark demonstrate that StructGen consistently outperforms existing methods on both semantic alignment and detailed reference-generation consistency, especially under complex instructions with multiple references. The code is available at https://jianingpeng0382.github.io/StructGen/

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