Cited by 46Context-Aware Activity Recognition SystemsDomain Adaptation and Few-Shot LearningAdvanced Neural Network Applications

User adaptation of convolutional neural network for human activity recognition

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Matsui, Shinya, Inoue, Nakamasa, Akagi, Yuko, Nagino, Goshu, Shinoda, Koichi·2017·2017 25th European Signal Processing Conference (EUSIPCO)

Abstract

Recently, monitoring human activities using smart-phone sensors, such as accelerometers, magnetometers, and gyro-scopes, has been proved effective to improve productivity in daily work. Since human activities differ largely among individuals, it is important to adapt their model to each individual with a small amount of his/her data. In this paper, we propose a user adaptation method using Learning Hidden Unit Contributions (LHUC) for Convolutional Neural Networks (CNN). It inserts a special layer with a small number of free parameters between each of two CNN layers and estimates the free parameters using a small amount of data. We collected smartphone data of 43 hours from 9 users and utilized them to evaluate our method. It improved the recognition performance by 3.0% from a user-independent model on average. The largest improvement among users was 13.6%.

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Authors
Matsui, S., Inoue, N., Akagi, Y., Nagino, G., & Shinoda, K.
Affiliations
  • Asahi Kasei (Japan) (JP)
  • Tokyo Institute of Technology (JP)
Venue
2017 25th European Signal Processing Conference (EUSIPCO)
Publisher
IEEE
Published
2017-08
Pages
753-757
OpenAlex
W2766419757
Cited by
46
References
17
Citations by year
2025: 1 · 2024: 3 · 2023: 6 · 2022: 7 · 2021: 12 · 2020: 8 · 2019: 2 · 2018: 7
FWCI
1.36
Type
conference paper
Language
en
Open access
Licence
public-domain
Locations
  • European Signal Processing Conference (EUSIPCO) (publishedVersion)
  • Tokyo Tech Research Repository (Tokyo Institute of Technology) (submittedVersion, public-domain)
Topics
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Context-Aware Activity Recognition Systems
  • Physical Sciences › Computer Science › Artificial Intelligence › Domain Adaptation and Few-Shot Learning
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Advanced Neural Network Applications
Keywords
human activity recognition, user adaptation, convolutional neural networks, smartphone sensors, accelerometer, magnetometer, gyroscope, small sample learning, personalized models

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