HCAIMMAug 12, 2025

Livia: An Emotion-Aware AR Companion Powered by Modular AI Agents and Progressive Memory Compression

arXiv:2509.05298v12 citationsh-index: 1
Originality Highly original
AI Analysis

This addresses emotional support for individuals experiencing loneliness, with incremental improvements in AI and AR integration.

The paper tackles loneliness and social isolation by introducing Livia, an emotion-aware AR companion app that uses modular AI agents and novel memory compression algorithms, resulting in statistically significant reductions in loneliness and high user satisfaction in evaluations.

Loneliness and social isolation pose significant emotional and health challenges, prompting the development of technology-based solutions for companionship and emotional support. This paper introduces Livia, an emotion-aware augmented reality (AR) companion app designed to provide personalized emotional support by combining modular artificial intelligence (AI) agents, multimodal affective computing, progressive memory compression, and AR driven embodied interaction. Livia employs a modular AI architecture with specialized agents responsible for emotion analysis, dialogue generation, memory management, and behavioral orchestration, ensuring robust and adaptive interactions. Two novel algorithms-Temporal Binary Compression (TBC) and Dynamic Importance Memory Filter (DIMF)-effectively manage and prioritize long-term memory, significantly reducing storage requirements while retaining critical context. Our multimodal emotion detection approach achieves high accuracy, enhancing proactive and empathetic engagement. User evaluations demonstrated increased emotional bonds, improved satisfaction, and statistically significant reductions in loneliness. Users particularly valued Livia's adaptive personality evolution and realistic AR embodiment. Future research directions include expanding gesture and tactile interactions, supporting multi-user experiences, and exploring customized hardware implementations.

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