no code implementations • 27 Feb 2020 • Qingsong Wen, Liang Sun, Fan Yang, Xiaomin Song, Jingkun Gao, Xue Wang, Huan Xu
In this paper, we systematically review different data augmentation methods for time series.
no code implementations • 21 Feb 2020 • Jingkun Gao, Xiaomin Song, Qingsong Wen, Pichao Wang, Liang Sun, Huan Xu
It is deployed as a public online service and widely adopted in different business scenarios at Alibaba Group.
1 code implementation • 10 Jun 2019 • Qingsong Wen, Jingkun Gao, Xiaomin Song, Liang Sun, Jian Tan
Extracting the underlying trend signal is a crucial step to facilitate time series analysis like forecasting and anomaly detection.
1 code implementation • 5 Dec 2018 • Qingsong Wen, Jingkun Gao, Xiaomin Song, Liang Sun, Huan Xu, Shenghuo Zhu
Based on the extracted trend, we apply the the non-local seasonal filtering to extract the seasonality component.