Two trend-capturing extensions to PAA are introduced using split-segment averages and binary strings, with a claimed lower-bound proof and reported gains on classification and anomaly detection tasks.
Neuroimage 22(3), 1214–1222 (2004) An Improvement of PAA on Trend-based Approximation for Time Series 15
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An Improvement of PAA on Trend-Based Approximation for Time Series
Two trend-capturing extensions to PAA are introduced using split-segment averages and binary strings, with a claimed lower-bound proof and reported gains on classification and anomaly detection tasks.