TextTIGER: Text-based Intelligent Generation with Entity Prompt Refinement for Text-to-Image Generation

• URL: http://arxiv.org/abs/2504.18269v1
• Date: Fri, 25 Apr 2025 11:27:44 GMT
• Title: TextTIGER: Text-based Intelligent Generation with Entity Prompt Refinement for Text-to-Image Generation
• Authors: Shintaro Ozaki, Kazuki Hayashi, Yusuke Sakai, Jingun Kwon, Hidetaka Kamigaito, Katsuhiko Hayashi, Manabu Okumura, Taro Watanabe,
• Abstract summary: We propose Text-based Intelligent Generation with Entity prompt Refinement (TextTIGER)<n>TextTIGER augments knowledge on entities included in the prompts and then summarizes the augmented descriptions using Large Language Models (LLMs)<n>Experiments show TextTIGER improves image generation performance in standard metrics (IS, FID, and CLIPScore) compared to caption-only prompts.
• Score: 37.212823625296885
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Generating images from prompts containing specific entities requires models to retain as much entity-specific knowledge as possible. However, fully memorizing such knowledge is impractical due to the vast number of entities and their continuous emergence. To address this, we propose Text-based Intelligent Generation with Entity prompt Refinement (TextTIGER), which augments knowledge on entities included in the prompts and then summarizes the augmented descriptions using Large Language Models (LLMs) to mitigate performance degradation from longer inputs. To evaluate our method, we introduce WiT-Cub (WiT with Captions and Uncomplicated Background-explanations), a dataset comprising captions, images, and an entity list. Experiments on four image generation models and five LLMs show that TextTIGER improves image generation performance in standard metrics (IS, FID, and CLIPScore) compared to caption-only prompts. Additionally, multiple annotators' evaluation confirms that the summarized descriptions are more informative, validating LLMs' ability to generate concise yet rich descriptions. These findings demonstrate that refining prompts with augmented and summarized entity-related descriptions enhances image generation capabilities. The code and dataset will be available upon acceptance.

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