LGDec 17, 2025

On-device Large Multi-modal Agent for Human Activity Recognition

arXiv:2512.19742v11 citations
Originality Incremental advance
AI Analysis

This work addresses the problem of making human activity recognition more interpretable and interactive for users in applications like healthcare and smart environments, though it appears incremental by combining existing LLM capabilities with HAR.

The paper tackles human activity recognition by developing an on-device large multi-modal agent that integrates large language models to enhance classification and interpretability, achieving high accuracy comparable to state-of-the-art methods while improving user engagement through reasoning and question-answering capabilities.

Human Activity Recognition (HAR) has been an active area of research, with applications ranging from healthcare to smart environments. The recent advancements in Large Language Models (LLMs) have opened new possibilities to leverage their capabilities in HAR, enabling not just activity classification but also interpretability and human-like interaction. In this paper, we present a Large Multi-Modal Agent designed for HAR, which integrates the power of LLMs to enhance both performance and user engagement. The proposed framework not only delivers activity classification but also bridges the gap between technical outputs and user-friendly insights through its reasoning and question-answering capabilities. We conduct extensive evaluations using widely adopted HAR datasets, including HHAR, Shoaib, Motionsense to assess the performance of our framework. The results demonstrate that our model achieves high classification accuracy comparable to state-of-the-art methods while significantly improving interpretability through its reasoning and Q&A capabilities.

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