Data Party THU

May 26, 2026 · Artificial Intelligence

Time-Series Forecasting Augmentation: Frequency, Decomposition, and Patch Methods Compared

The article examines the challenges of augmenting time-series forecasting, reviews mainstream techniques—including frequency-domain, decomposition, and patch-based methods—and demonstrates through extensive experiments that Temporal Patch Shuffle (TPS) consistently achieves superior performance across long-term, short-term, and classification tasks.