Title:
EVALUATION DEVICE, EVALUATION METHOD, AND EVALUATION PROGRAM
Document Type and Number:
WIPO Patent Application WO/2023/127504
Kind Code:
A1
Abstract:
An evaluation device 1 is intended to evaluate the crushing of food inside the mouth of a user and to evaluate the chewing ability of the user without putting a burden on the user. The evaluation device 1 evaluates the crushing of a chewing sample that has been chewed by the user on the basis of an audio signal acquired by a throat microphone M1 installed on the neck of the user and comprises: a feature quantity extraction unit 11 that extracts a time series of audio feature quantities on the basis of the audio signal from the throat microphone M1; and an identifier 12 that is a trained model 20 that has been pre-constructed by machine learning and is given the audio feature quantities as input to output a content outflow that is the amount of content that has flowed out of the chewing sample as crushed by the user.
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Inventors:
NISHIMURA MASAFUMI (JP)
TSUGA KAZUHIRO (JP)
TSUGA KAZUHIRO (JP)
Application Number:
PCT/JP2022/046101
Publication Date:
July 06, 2023
Filing Date:
December 14, 2022
Export Citation:
Assignee:
UNIV SHIZUOKA NAT UNIV CORP (JP)
UNIV HIROSHIMA (JP)
UNIV HIROSHIMA (JP)
International Classes:
A61B5/11; A61B7/04; G10L25/30; G10L25/66
Foreign References:
| JP2018007723A | 2018-01-18 | |||
| JP2011072559A | 2011-04-14 | |||
| JP2020058609A | 2020-04-16 | |||
| JP2019047859A | 2019-03-28 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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