Enhancing Spatial Reasoning through Visual and Textual Thinking

• URL: http://arxiv.org/abs/2507.20529v1
• Date: Mon, 28 Jul 2025 05:24:54 GMT
• Title: Enhancing Spatial Reasoning through Visual and Textual Thinking
• Authors: Xun Liang, Xin Guo, Zhongming Jin, Weihang Pan, Penghui Shang, Deng Cai, Binbin Lin, Jieping Ye,
• Abstract summary: The spatial reasoning task aims to reason about the spatial relationships in 2D and 3D space.<n>Although vision language models (VLMs) have developed rapidly in recent years, they are still struggling with the spatial reasoning task.<n>We introduce a method that can enhance spatial reasoning through Visual and Textual thinking Simultaneously.
• Score: 45.0026939683271
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The spatial reasoning task aims to reason about the spatial relationships in 2D and 3D space, which is a fundamental capability for Visual Question Answering (VQA) and robotics. Although vision language models (VLMs) have developed rapidly in recent years, they are still struggling with the spatial reasoning task. In this paper, we introduce a method that can enhance Spatial reasoning through Visual and Textual thinking Simultaneously (SpatialVTS). In the spatial visual thinking phase, our model is trained to generate location-related specific tokens of essential targets automatically. Not only are the objects mentioned in the problem addressed, but also the potential objects related to the reasoning are considered. During the spatial textual thinking phase, Our model conducts long-term thinking based on visual cues and dialogues, gradually inferring the answers to spatial reasoning problems. To effectively support the model's training, we perform manual corrections to the existing spatial reasoning dataset, eliminating numerous incorrect labels resulting from automatic annotation, restructuring the data input format to enhance generalization ability, and developing thinking processes with logical reasoning details. Without introducing additional information (such as masks or depth), our model's overall average level in several spatial understanding tasks has significantly improved compared with other models.

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