Geometry-Conditioned Fixed-Scaffold Encoders for Time-Warp Robust Sequence Retrieval

The paper introduces GeoPatch, a fixed‑scaffold patch encoder that decouples token support from signal geometry for time‑warp robust sequence retrieval. By using geometry‑derived descriptors (slope, curvature, acceleration, affine‑residual, confidence) as continuous conditioning variables, GeoPatch prevents patch boundary drift while still allowing geometry to modulate embeddings. Experiments on ECG, speech, and multivariate time‑series data show that GeoPatch improves early‑rank retrieval under timing variation and highlights a trade‑off between local surface matching and strict non‑overlap retrieval.

Machine-generated by The Flow from the publisher's headline and feed description — not written or checked by a human. The full article lives at arXiv AI.

• rag
• nlp