Describe-then-Reason: Improving Multimodal Mathematical Reasoning through Visual Comprehension Training

• URL: http://arxiv.org/abs/2404.14604v3
• Date: Fri, 26 Apr 2024 02:34:29 GMT
• Title: Describe-then-Reason: Improving Multimodal Mathematical Reasoning through Visual Comprehension Training
• Authors: Mengzhao Jia, Zhihan Zhang, Wenhao Yu, Fangkai Jiao, Meng Jiang,
• Abstract summary: Open-source multimodal large language models (MLLMs) excel in various tasks involving textual and visual inputs. MLLMs still struggle with complex multimodal mathematical reasoning, lagging behind proprietary models like GPT-4V(ision) and Gemini-Pro. We propose a two-step training pipeline VCAR, which emphasizes the Visual Reasoning training in addition to mathematical learning.
• Score: 24.989732666940153
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Open-source multimodal large language models (MLLMs) excel in various tasks involving textual and visual inputs but still struggle with complex multimodal mathematical reasoning, lagging behind proprietary models like GPT-4V(ision) and Gemini-Pro. Although fine-tuning with intermediate steps (i.e., rationales) elicits some mathematical reasoning skills, the resulting models still fall short in visual comprehension due to inadequate visual-centric supervision, which leads to inaccurate interpretation of math figures. To address this issue, we propose a two-step training pipeline VCAR, which emphasizes the Visual Comprehension training in Addition to mathematical Reasoning learning. It first improves the visual comprehension ability of MLLMs through the visual description generation task, followed by another training step on generating rationales with the assistance of descriptions. Experimental results on two popular benchmarks demonstrate that VCAR substantially outperforms baseline methods solely relying on rationale supervision, especially on problems with high visual demands.

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