Journal of the Korea Institute of Information and Communication Engineering (한국정보통신학회논문지)

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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A Falling Direction Detection Method Using Smartphone Accelerometer and Deep Learning Multiple Layers

스마트폰 가속도 센서와 딥러닝 다중 레이어를 이용한 넘어짐 방향 판단 방법

  • Received : 2022.07.09
  • Accepted : 2022.08.08
  • Published : 2022.08.31
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Abstract

Human behavior recognition using an accelerometer has been applied to various fields. As smartphones have become used commonly, a method for human behavior recognition using the acceleration sensor built into the smartphone is being studied. In the case of the elderly, falling often leads to serious injuries, and falls are one of the major causes of accidents at construction fields. In this article, we proposed recognition method for human falling direction using built-in acceleration sensor and orientation sensor in the smartphone. In the past, it was a common method to use the magnitude of the acceleration vector to recognize human behavior. These days, deep learning has been actively studied and applied to various areas. In this article, we propose a method for recognizing the direction of human falling by applying the deep learning multilayer technique, which has been widely used recently.

가속도 센서를 이용한 인간의 행동인식은 다양한 분야에 적용되고 있다. 스마트폰의 보급이 일반화되면서 스마트폰에 내장된 가속도 센서를 이용한 인간의 행동인식 방법이 연구되고 있다. 노인의 경우 넘어지게 되면 심각한 부상으로 이어지는 경우가 많으며 공사 현장에서도 넘어짐은 중요한 사고원인 중 하나이다. 본 연구는 스마트폰에 내장된 가속도 센서와 방향 센서를 이용하여 사람의 넘어지는 방향에 대해 연구하였다. 기존에는, 인간의 행동을 인식하기 위해서 가속도벡터의 크기를 활용하는 것이 일반적인 방법이었다. 본 연구는 최근 많이 활용되고 있는 딥러닝 기법을 적용하여 인간의 넘어지는 방향을 인식하는 방법을 제안하였다.

Keywords

Acknowledgement

This work was supported by Mokwon university research year 2020.

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