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A Method for Sensor-Based Activity Recognition in Missing Data Scenario
http://hdl.handle.net/10228/00008457
http://hdl.handle.net/10228/000084571203f253-22ab-4ec4-8080-7679efed728f
名前 / ファイル | ライセンス | アクション |
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sensors-20-03811-v2.pdf (2.3 MB)
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Item type | 学術雑誌論文 = Journal Article(1) | |||||||||||
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公開日 | 2021-09-10 | |||||||||||
資源タイプ | ||||||||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||||
資源タイプ | journal article | |||||||||||
タイトル | ||||||||||||
タイトル | A Method for Sensor-Based Activity Recognition in Missing Data Scenario | |||||||||||
言語 | ||||||||||||
言語 | eng | |||||||||||
著者 |
Hossain, Tahera
× Hossain, Tahera× Ahad, Md Atiqur Rahman× 井上, 創造
WEKO
27425
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抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | Sensor-based human activity recognition has various applications in the arena of healthcare, elderly smart-home, sports, etc. There are numerous works in this field—to recognize various human activities from sensor data. However, those works are based on data patterns that are clean data and have almost no missing data, which is a genuine concern for real-life healthcare centers. Therefore, to address this problem, we explored the sensor-based activity recognition when some partial data were lost in a random pattern. In this paper, we propose a novel method to improve activity recognition while having missing data without any data recovery. For the missing data pattern, we considered data to be missing in a random pattern, which is a realistic missing pattern for sensor data collection. Initially, we created different percentages of random missing data only in the test data, while the training was performed on good quality data. In our proposed approach, we explicitly induce different percentages of missing data randomly in the raw sensor data to train the model with missing data. Learning with missing data reinforces the model to regulate missing data during the classification of various activities that have missing data in the test module. This approach demonstrates the plausibility of the machine learning model, as it can learn and predict from an identical domain. We exploited several time-series statistical features to extricate better features in order to comprehend various human activities. We explored both support vector machine and random forest as machine learning models for activity classification. We developed a synthetic dataset to empirically evaluate the performance and show that the method can effectively improve the recognition accuracy from 80.8% to 97.5%. Afterward, we tested our approach with activities from two challenging benchmark datasets: the human activity sensing consortium (HASC) dataset and single chest-mounted accelerometer dataset. We examined the method for different missing percentages, varied window sizes, and diverse window sliding widths. Our explorations demonstrated improved recognition performances even in the presence of missing data. The achieved results provide persuasive findings on sensor-based activity recognition in the presence of missing data. | |||||||||||
書誌情報 |
Sensors 巻 20, 号 14, p. 3811-1-3811-23, 発行日 2020-07-08 |
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出版社 | ||||||||||||
出版者 | MDPI | |||||||||||
DOI | ||||||||||||
関連タイプ | isIdenticalTo | |||||||||||
識別子タイプ | DOI | |||||||||||
関連識別子 | https://doi.org/10.3390/s20143811 | |||||||||||
日本十進分類法 | ||||||||||||
主題Scheme | NDC | |||||||||||
主題 | 501 | |||||||||||
ISSN | ||||||||||||
収録物識別子タイプ | ISSN | |||||||||||
収録物識別子 | 1424-8220 | |||||||||||
著作権関連情報 | ||||||||||||
権利情報 | Copyright (c) 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | human activity recognition (HAR) | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | sensor network | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | missing values | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | random forest | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | SVM | |||||||||||
出版タイプ | ||||||||||||
出版タイプ | VoR | |||||||||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||||
査読の有無 | ||||||||||||
値 | yes | |||||||||||
研究者情報 | ||||||||||||
https://hyokadb02.jimu.kyutech.ac.jp/html/140_ja.html | ||||||||||||
論文ID(連携) | ||||||||||||
10379297 | ||||||||||||
連携ID | ||||||||||||
9264 | ||||||||||||
資料タイプ | ||||||||||||
内容記述タイプ | Other | |||||||||||
内容記述 | Journal Article | |||||||||||
著者別名 | ||||||||||||
姓名 | Inoue, Sozo | |||||||||||
言語 | en | |||||||||||
姓名 | 井上, 創造 | |||||||||||
言語 | ja | |||||||||||
姓名 | イノウエ, ソウゾウ | |||||||||||
言語 | ja-Kana | |||||||||||
著者所属 | ||||||||||||
Kyushu Institute of Technology | ||||||||||||
著者所属 | ||||||||||||
Osaka University, University of Dhaka | ||||||||||||
著者所属 | ||||||||||||
Kyushu Institute of Technology |