TimePoint learns sparse keypoints and descriptors from synthetic 1D signals and applies DTW to these, yielding large speedups and modest accuracy gains over full-signal DTW on real-world benchmarks.
Superpoint: Self-supervised interest point detection and description
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TimePoint: Accelerated Time Series Alignment via Self-Supervised Keypoint and Descriptor Learning
TimePoint learns sparse keypoints and descriptors from synthetic 1D signals and applies DTW to these, yielding large speedups and modest accuracy gains over full-signal DTW on real-world benchmarks.