arXiv Machine Learning By Hanne Raum, Jasper Hoffmann, Joschka Boedecker

STeP-TS: Shared Temporal Filters with Pruning for Time Series

Read the original on arXiv Machine Learning →

The paper introduces STeP-TS, a compact one‑layer convolutional model for multivariate time‑series forecasting that learns a shared bank of multi‑scale temporal filters for each variable. Lightweight variable‑specific scalar weights modulate the contribution of each filter, allowing the model to capture both shared temporal patterns and variable‑specific dynamics. The learned weights and filter‑output energy are used for structured pruning, reducing computational complexity with minimal loss in performance, and an amplitude‑adaptive normalization preserves variable‑dependent temporal amplitudes.

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