Title:
LEARNING DATA GENERATION DEVICE AND LEARNING DATA GENERATION METHOD
Document Type and Number:
Japanese Patent JP2021135896
Kind Code:
A
Abstract:
To efficiently provide learning data of an appropriate content with regard to a required time period.SOLUTION: A learning data generation device is configured to: connect plural pieces of duplication data, which is data duplicated from generator data being time-series data for a prescribed period, and add a noise to each piece of the duplication data; generate artificial data being time-series data of a period according to a required time period; and use the artificial data to generate learning data to be used in learning of a machine learning model. The learning data generation device is configured to, for instance: generate artificial data of an older period than the generator data; and connect the artificial data to the generator data in a past direction to generate learning data.SELECTED DRAWING: Figure 6
Inventors:
MIYAKE KANTARO
TAKASE MASAYOSHI
NONAKA YASUMITSU
YAMAZAKI IORI
TAKASE MASAYOSHI
NONAKA YASUMITSU
YAMAZAKI IORI
Application Number:
JP2020033344A
Publication Date:
September 13, 2021
Filing Date:
February 28, 2020
Export Citation:
Assignee:
HITACHI LTD
International Classes:
G06N20/00
Domestic Patent References:
| JP2019087106A | 2019-06-06 | |||
| JP2015087375A | 2015-05-07 |
Foreign References:
| WO2018167900A1 | 2018-09-20 |
Attorney, Agent or Firm:
Isshiki International Patent Service Corporation