用分阶段方法把模糊需求转为可组合设计元素，提升设计起点质量。
Brief2Design: A Multi-phased, Compositional Approach to Prompt-based Graphic Design
- 分三步走：解析需求、逐元素探索、灵活重组
- 相比对话式工具，需求理解更准，但生成更慢
- 适合需要精准对齐客户意图的设计师
专业设计师常需处理缺乏具体视觉细节的客户简报。现有工具多聚焦单一环节或生成完整结果导致思维固化。通过对六位设计师访谈，我们发现其工作流程包含：先梳理模糊要求，再分别探索对象、背景、文字、排版与构图等元素，最后重组选择项。为此，我们开发了Brief2Design，支持需求提取与推荐、元素级探索及灵活重组。12名设计师参与的对比实验表明，该结构化流程显著提升提示多样性，需求解析与推荐获高评价，但生成耗时更长，图像多样性相当。研究揭示：结构化流程利于明确需求，代价是效率下降，为AI辅助设计工具的设计权衡提供依据。
原文摘要 · Abstract (English)
Professional designers work from client briefs that specify goals and constraints but often lack concrete design details. Translating these abstract requirements into visual designs poses a central challenge, yet existing tools address specific aspects or induce fixation through complete outputs. Through interviews with six professional designers, we identified how designers address this challenge: first structuring ambiguous requirements, then exploring individual elements, and finally recombining alternatives. We developed Brief2Design, supporting this workflow through requirement extraction and recommendation, element-level exploration for objects, backgrounds, text, typography, and composition, and flexible recombination of selected elements. A within-subjects study with twelve designers compared Brief2Design against a conversational baseline. The structured approach increased prompt diversity and received high ratings for requirement extraction and recommendation, but required longer generation time and achieved comparable image diversity. These findings reveal that structured workflows benefit requirement clarification at the cost of efficiency, informing design trade-offs for AI-assisted graphic design tools.
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