By My Eyes: Grounding Multimodal Large Language Models With Sensor Data Via Visual Prompting

Yoon Hyungjun, Tolera Biniyam Aschalew, Gong Taesik, Lee Kimin, Lee Sung-ju. Arxiv 2024

[Paper]    
Applications Efficiency And Optimization Multimodal Models Prompting RAG

Large language models (LLMs) have demonstrated exceptional abilities across various domains. However, utilizing LLMs for ubiquitous sensing applications remains challenging as existing text-prompt methods show significant performance degradation when handling long sensor data sequences. We propose a visual prompting approach for sensor data using multimodal LLMs (MLLMs). We design a visual prompt that directs MLLMs to utilize visualized sensor data alongside the target sensory task descriptions. Additionally, we introduce a visualization generator that automates the creation of optimal visualizations tailored to a given sensory task, eliminating the need for prior task-specific knowledge. We evaluated our approach on nine sensory tasks involving four sensing modalities, achieving an average of 10% higher accuracy than text-based prompts and reducing token costs by 15.8x. Our findings highlight the effectiveness and cost-efficiency of visual prompts with MLLMs for various sensory tasks.

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