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Geometry problem-solving relies heavily on advanced reasoning skills to interpret visual inputs, process questions, and apply mathematical formulas accurately. Although vision-language models (VLMs) have shown progress in multimodal tasks, they still face significant limitations with geometry, particularly in executing unfamiliar mathematical operations, like calculating the cosine of non-standard angles. This challenge is amplified due to autoregressive training, which emphasizes next-token prediction, often leading to inaccurate calculations and formula misuse. While methods like Chain-of-Thought reasoning and mathematical code generation offer some improvement, these approaches still need to improve with correctly applying geometry concepts and formulas in complex, multi-step problems.
The study reviews research on VLMs and code-generating models for solving geometry problems. While general-purpose VLMs have progressed, they often struggle with geometric reasoning, as shown through new datasets designed to benchmark these tasks. Neuro-symbolic systems have been developed to enhance problem-solving by combining language models with logical deduction. Further advancements in language models for mathematical reasoning enable code-based solutions, but these often need more multimodal capabilities.
Researchers from Mila, Polytechnique Montréal, Université de Montréal, CIFAR AI, and Google DeepMind introduce GeoCoder, a VLM approach designed for solving geometry problems through modular code generation. GeoCoder uses a predefined geometry function library to execute code accurately and reduce errors in formula applications, offering consistent and interpretable solutions. They also present RAG-GeoCoder, a variant with retrieval-augmented memory, enabling it to pull functions directly from the geometry library, minimizing reliance on internal memory. GeoCoder and RAG-GeoCoder achieve over a 16% performance boost on geometry tasks, demonstrating enhanced reasoning and interpretability on complex multimodal datasets.
The proposed method introduces GeoCoder, a VLM fine-tuned to solve geometry problems by generating modular Python code that references a predefined geometry function library. Unlike traditional CoT fine-tuning, this approach ensures accurate calculations and reduces formula errors by directly executing the generated code. GeoCoder uses a knowledge-distillation process to create high-quality training data and interpretable function outputs. Additionally, RAG-GeoCoder, a retrieval-augmented version, employs a multimodal retriever to select relevant functions from memory for more precise code generation, enhancing the model’s problem-solving ability by reducing reliance on internal memory alone.
On the GeomVerse dataset, code-finetuned models significantly outperform CoT-finetuned models, particularly with RAG-GeoCoder surpassing the prior state-of-the-art, PaLI 5B by 26.2-36.3% across depths. On GeoQA-NO, GeoCoder achieves a 42.3% relaxed accuracy, outperforming CoT-finetuned LLaVA 1.5 by 14.3%. Error analysis reveals that RAG-GeoCoder reduces syntax errors but increases name errors at higher depths due to retrieval limitations. Moreover, RAG-GeoCoder enhances interpretability and accuracy by using templated print functions and applying functions 17% more frequently than GeoCoder, demonstrating better modular function usage across problem depths.
In conclusion, GeoCoder introduces a modular code-finetuning approach for geometry problem-solving in VLMs, achieving consistent improvement over CoT-finetuning by enabling accurate, deterministic calculations. GeoCoder enhances interpretability and reduces formula errors by leveraging a library of geometry functions. Additionally, RAG-GeoCoder, a retrieval-augmented variant, employs a non-parametric memory module to retrieve tasks as needed, further improving accuracy by lowering reliance on the model’s memory. This code-finetuning framework significantly boosts VLMs’ geometric reasoning, achieving over a 16% performance gain on the GeomVerse dataset compared to other fine-tuning techniques.
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The post GeoCoder: Enhancing Geometric Reasoning in Vision-Language Models through Modular Code-Finetuning and Retrieval-Augmented Memory appeared first on MarkTechPost.
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The post GeoCoder: Enhancing Geometric Reasoning in Vision-Language Models through Modular Code-Finetuning and Retrieval-Augmented Memory appeared first on MarkTechPost.”}]] Read More AI Paper Summary, AI Shorts, Applications, Artificial Intelligence, Editors Pick, Language Model, Staff, Tech News, Technology