FEATURE AMOUNT SELECTION DEVICE, FEATURE AMOUNT SELECTION METHOD, AND PROGRAM

Title:

FEATURE AMOUNT SELECTION DEVICE, FEATURE AMOUNT SELECTION METHOD, AND PROGRAM

Document Type and Number:

WIPO Patent Application WO/2024/047879

Kind Code:

A1

Abstract:

This feature amount selection device (30) comprises: a distribution estimating unit (31) that acquires pieces of learning data at each point in time and one or more feature amounts of the pieces of learning data, estimates a distribution function of the pieces of learning data on the basis of the pieces of learning data and the one or more feature amounts, and derives one or more parameters from the distribution function; and a feature amount determining unit (32) that, for each parameter, calculates a correlation coefficient of the parameters and the feature amounts, and selects a feature amount for which the correlation coefficient is greater than a first threshold.

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Inventors:

YAMADA YUKI (JP)
KOSUGI TOMOYA (JP)
TAKESHITA ERINA (JP)
MORITA AKIHIRO (JP)
YOSHIHARA SHINICHI (JP)

Application Number:

PCT/JP2022/033192

Publication Date:

March 07, 2024

Filing Date:

September 02, 2022

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Assignee:

NIPPON TELEGRAPH & TELEPHONE (JP)

International Classes:

G06N3/02

Domestic Patent References:

WO2021002464A1

2021-01-07

Foreign References:

JP2018088080A	2018-06-07
JP2020071524A	2020-05-07
US20200082013A1	2020-03-12

Attorney, Agent or Firm:

SUGIMURA Kenji (JP)

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