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TIME-SERIES REPRESENTATION LEARNING VIA RANDOM TIME WARPING
TIME-SERIES REPRESENTATION LEARNING VIA RANDOM TIME WARPING
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机译:通过随机时间规整的时间序列表示学习
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摘要
Embodiments of the present invention provide a computer-implemented method for performing unsupervised time-series feature learning. The method generates a set of reference time-series of random lengths, in which each length is uniformly sampled from a predetermined minimum length to a predetermined maximum length, and in which values of each reference time-series in the set are drawn from a distribution. The method generates a feature matrix for raw time-series data based on a set of computed distances between the generated set of reference time-series and the raw time-series data. The method provides the feature matrix as an input to one or more machine learning models.
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