Evaluating the Generation of Spatial Relations in Text and Image Generative Models

• URL: http://arxiv.org/abs/2411.07664v1
• Date: Tue, 12 Nov 2024 09:30:02 GMT
• Title: Evaluating the Generation of Spatial Relations in Text and Image Generative Models
• Authors: Shang Hong Sim, Clarence Lee, Alvin Tan, Cheston Tan,
• Abstract summary: spatial relations are naturally understood in a visuo-spatial manner. We develop an approach to convert LLM outputs into an image, thereby allowing us to evaluate both T2I models and LLMs. Surprisingly, we found that T2I models only achieve subpar performance despite their impressive general image-generation abilities.
• Score: 4.281091463408283
• License:
• Abstract: Understanding spatial relations is a crucial cognitive ability for both humans and AI. While current research has predominantly focused on the benchmarking of text-to-image (T2I) models, we propose a more comprehensive evaluation that includes \textit{both} T2I and Large Language Models (LLMs). As spatial relations are naturally understood in a visuo-spatial manner, we develop an approach to convert LLM outputs into an image, thereby allowing us to evaluate both T2I models and LLMs \textit{visually}. We examined the spatial relation understanding of 8 prominent generative models (3 T2I models and 5 LLMs) on a set of 10 common prepositions, as well as assess the feasibility of automatic evaluation methods. Surprisingly, we found that T2I models only achieve subpar performance despite their impressive general image-generation abilities. Even more surprisingly, our results show that LLMs are significantly more accurate than T2I models in generating spatial relations, despite being primarily trained on textual data. We examined reasons for model failures and highlight gaps that can be filled to enable more spatially faithful generations.

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