Patent · US Active

Time series decomposition

US11146445B2 · kind B2 · utility

2Cited by

0References

17Claims

0Family size

Assignee

Alibaba Group Holding Limited · KY

Inventors

Wen Qingsong · Issaquah, US
Jingkun Gao · Bellevue, US
Xiaomin Song · Issaquah, US
Liang Sun · Bellevue, US
Huan Xu · San Diego, US
Wotao Yin · Bellevue, US
Tao Yao · Bellevue, US

Key dates

Filing date	Dec 2, 2019
Grant date	Oct 12, 2021
Priority date	—
Expiry date	Dec 2, 2039

Classification

Technology area (CPC H)Electricity
CPC primaryH04L41/147
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

Time series decomposition method and system are provided. Time series data including at least a seasonality component is received. A noise removal filter may be applied to the time series data. Furthermore, a trend component and the seasonality component are extracted from the time series data. A residual component may subsequently be extracted from the time series data based on the trend component and the seasonality component. Anomaly detection may then be performed on the trend component or the residual component to determine whether an anomaly exists in the time series data.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.