Title:
TIME SERIES CLASSIFICATION DEVICE, TIME SERIES CLASSIFICATION PROGRAM, AND TIME SERIES CLASSIFICATION METHOD
Document Type and Number:
Japanese Patent JP2023097910
Kind Code:
A
Abstract:
To provide a time series classification device, a method, and a program for performing highly-accurate classification in a low-cost calculation process with a small amount of calculation.SOLUTION: A method includes: compressing actual training time series data into representative training time series data for each class that includes, for each event, a minimum value and a maximum value of a plurality of time-series event values, a minimum value time series and a maximum value time series that include representative values between the minimum value and the maximum value, and a representative value time series; calculating, for each class, a plurality of FMS values for event values of a plurality of time stamps in a test time series to be classified, based on the representative training time series data for each class; and classifying a class in which an average value for the FMS values of the plurality of time stamps is minimum into the class in the test time series. If an event value in the test time series is equal to or less than an event value in the minimum value time series or equal to or greater than an event value in the maximum value time series, the FMS value is calculated as 1.0, if the event value in the test time series is between the minimum value and the event value in the representative value time series, the FMS value is calculated as α×A, and if the event value in the test time series is between the representative value and the event value in the maximum value time series, the FMS value is calculated as Δ×B.SELECTED DRAWING: Figure 11
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Inventors:
UDAY KIRAN RAGE
WATABE ARITAKA
PENUGONDA RAVIKUMAR
WATABE ARITAKA
PENUGONDA RAVIKUMAR
Application Number:
JP2021214286A
Publication Date:
July 10, 2023
Filing Date:
December 28, 2021
Export Citation:
Assignee:
UNIV AIZU
International Classes:
G06N5/04; G06F17/18; G06N20/00
Attorney, Agent or Firm:
Kenji Doi
Tsunenori Hayashi
Tsunenori Hayashi