Papers › Multi-scale Transformer Pyramid Networks for Multivariate Time Series Forecasting

Multi-scale Transformer Pyramid Networks for Multivariate Time Series Forecasting

23 Aug 2023arXiv:2308.11946archive 2025-07-28

Yifan Zhang, Rui Wu, Sergiu M. Dascalu, Frederick C. Harris Jr

Multivariate Time Series (MTS) forecasting involves modeling temporal dependencies within historical records. Transformers have demonstrated remarkable performance in MTS forecasting due to their capability to capture long-term dependencies. However, prior work has been confined to modeling temporal dependencies at either a fixed scale or multiple scales that exponentially increase (most with base 2). This limitation hinders their effectiveness in capturing diverse seasonalities, such as hourly and daily patterns. In this paper, we introduce a dimension invariant embedding technique that captures short-term temporal dependencies and projects MTS data into a higher-dimensional space, while preserving the dimensions of time steps and variables in MTS data. Furthermore, we present a novel Multi-scale Transformer Pyramid Network (MTPNet), specifically designed to effectively capture temporal dependencies at multiple unconstrained scales. The predictions are inferred from multi-scale latent representations obtained from transformers at various scales. Extensive experiments on nine benchmark datasets demonstrate that the proposed MTPNet outperforms recent state-of-the-art methods.

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CORR GRYGY1215/MTPNet/utils/metrics.py official repository ran fingerprinted Apache-2.0 (permissive) · e6663d05846f08ea · report
Corr GRYGY1215/MTPNet/utils/metrics.py official repository ran fingerprinted Apache-2.0 (permissive) · edd5108dc9b37e58 · report
FFT_for_Period GRYGY1215/MTPNet/models/build_model_util.py official repository ran Apache-2.0 (permissive) · 15503d40fcb7d6f1 · report
adjust_learning_rate GRYGY1215/MTPNet/utils/tools.py official repository ran Apache-2.0 (permissive) · 51fdd89220c8138f · report
RSE GRYGY1215/MTPNet/utils/metrics.py official repository unverified Apache-2.0 (permissive) · b40a11875ebd0cd2 · report
load_model GRYGY1215/MTPNet/utils/tools.py official repository unverified Apache-2.0 (permissive) · dcdaa6f8115504d2 · report
string_split GRYGY1215/MTPNet/utils/tools.py official repository unverified Apache-2.0 (permissive) · 18ec11a1c371eb4e · report

Tasks

Multivariate Time Series ForecastingTime SeriesTime Series Forecasting

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Methods

Absolute Position EncodingsAdamAttentionBASEBPEDense ConnectionsDropoutLabel SmoothingLayer NormalizationLinear LayerMTSMulti-Head AttentionPosition-Wise Feed-Forward LayerResidual ConnectionSoftmaxTransformer

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