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2022 Vol.18, Issue 3

Original Article

Diagnosis of Sarcopenia in the Elderly and Development of Deep Learning Algorithm Exploiting Smart Devices

스마트 디바이스를 활용한 노약자 근감소증 진단과 딥러닝 알고리즘

윤영욱1*ㆍ손정우2

Younguk Yun1*, Jung-woo Sohn2

1Assistant Professor, Department of Software, Yonsei University, Wonju, Republic of Korea
2Assistant Professor, Department of Software, Yonsei University, Wonju, Republic of Korea
30 September 2022. pp. 433-443
PDF Citation
Abstract
Purpose: In this paper, we propose a study of deep learning algorithms that estimate and predict sarcopenia by exploiting the high penetration rate of smart devices. Method: To utilize deep learning techniques, experimental data were collected by using the inertial sensor embedded in the smart device. We implemented a smart device application for data collection. The data are collected by labeling normal and abnormal gait and five states of running, falling and squat posture. Result: The accuracy was analyzed by comparative analysis of LSTM, CNN, and RNN models, and binary classification accuracy of 99.87% and multiple classification accuracy of 92.30% were obtained using the CNN-LSTM fusion algorithm. Conclusion: A study was conducted using a smart sensoring device, focusing on the fact that gait abnormalities occur for people with sarcopenia. It is expected that this study can contribute to strengthening the safety issues caused by sarcopenia.
Keywords
Sarcopenia
Deep-learning
Smart-device
IoT
Walking-pattern
IMU
Data-analysis
연구목적: 본 논문에서는 스마트 디바이스의 높은 보급률을 활용하여 근감소증을 추정 및 예측하는 딥러닝 알고리즘을 제안과 연구를 수행한다. 연구방법: 딥러닝 학습을 위해 스마트 디바이스에 내장된 관성센서를 활용하여 실험 데이터를 수집하였다. 데이터를 수집하는 테스트용 어플리케이션 구현하여 ‘정상’과 ‘비정상’걸음과 ‘달리기’, ‘낙상’, ‘스쿼트’ 자세의 5 가지 상태를 구분하여 데이터를 수집하였다. 연구결과: LSTM, CNN, RNN model 사용 시 예측 정확도를 분석했고 CNN-LSTM 융합형 모델을 활용하여 이진분류 정확도 99.87%, 다중 분류 92.30%의 정확도를 보였다. 결론: 근감소증이 있는 사람의 경우 걸음걸이의 이상이 생긴다는 점에 착안하여 스마트 디바이스를 활용한 연구를 진행하였다. 본 연구를 활용하여 근감소증으로 인해 생기는 재난안전을 강화 할 수 있을 것이다.
키워드
근감소증
딥러닝
스마트디바이스
IoT
예측
보행패턴
IMU
데이터 분석
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Information
  • Publisher :The Korean Society of Disaster Information
  • Publisher(Ko) :한국재난정보학회
  • Journal Title :Journal of the Society of Disaster Information
  • Journal Title(Ko) :한국재난정보학회논문집
  • Volume : 18
  • No :3
  • Pages :433-443
  • DOI :https://doi.org/10.15683/kosdi.2022.9.30.433
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