Multimodal Agent MemorySubmit a paper

Dream to Recall / Memoir

Dream to Recall: Imagination-Guided Experience Retrieval for Memory-Persistent Vision-and-Language Navigation

Yunzhe Xu, Yiyuan Pan, Zhe Liu · 2026-03-30

Read the paperPDF

Management
T2 Dynamic Memory
Memory changes during deployment through a stable management policy.
Primary modality
Embodied & 3D
Also: text
Representation
Cross-represented explicit

How experience becomes memory

Each path is one memory component, traced from what is stored to how it is found again.

  1. episodic / trajectory memory

    1. Represented asSpatial, temporal & cross-modal structured memoryCross-represented explicit
    2. Stored inVector-indexed collection
    3. Retrieved bySimilarity search
    4. Source evidenceSource not retained
    Previous episodes populate history and observation memory banks. imagination generates queries to retrieve observation/history memories.Full paper: World Model · PDF p. 2 · Figure 1 / method overview

How memory changes (T2 operations)

  • Update · Rule-based update

    During operation, Dream to Recall / Memoir applies fixed-rule insertion or replacement to episodic / trajectory memory; the memory state changes while the governing update policy remains fixed.

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