arXiv — NLP / Computation & Language · · 3 min read

LightMem-Ego: Your AI Memory for Everyday Life

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Computer Science > Computation and Language

arXiv:2607.11487 (cs)
[Submitted on 13 Jul 2026]

Title:LightMem-Ego: Your AI Memory for Everyday Life

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Abstract:Personal AI assistants on mobile and wearable devices continuously perceive users' daily lives through visual and audio streams. However, answering queries about past experiences requires lightweight multimodal memory that can continuously accumulate, organize, and retrieve long-term experiences, which remains challenging. To address this challenge, we present LightMem-Ego, a lightweight streaming multimodal memory system for everyday-life assistance. The system continuously captures egocentric visual and audio streams, aligns them on a shared timeline, and organizes them into a hierarchical memory consisting of current, short-term, and long-term memory. Given a user query, LightMem-Ego dynamically routes retrieval to the appropriate memory level and generates answers grounded in multimodal evidence. The demonstration can be deployed on smartphones and AI glasses, supporting object finding, conversation recall, life summarization, routine discovery, and personalized assistance. Code is available at this https URL.
Comments: Ongoing work
Subjects: Computation and Language (cs.CL); Artificial Intelligence (cs.AI); Computer Vision and Pattern Recognition (cs.CV); Human-Computer Interaction (cs.HC); Multimedia (cs.MM)
Cite as: arXiv:2607.11487 [cs.CL]
  (or arXiv:2607.11487v1 [cs.CL] for this version)
  https://doi.org/10.48550/arXiv.2607.11487
arXiv-issued DOI via DataCite (pending registration)

Submission history

From: Ningyu Zhang [view email]
[v1] Mon, 13 Jul 2026 12:40:17 UTC (7,300 KB)
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