Human activity recognition algorithm based on the spatial feature for WBAN

Chi JIN; Zhijun LI; Dayang SUN; Fengye HU

doi:10.11959/j.issn.2096-3750.2019.00121

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Human activity recognition algorithm based on the spatial feature for WBAN

Theory and Technology | 更新时间：2024-06-05

- Human activity recognition algorithm based on the spatial feature for WBAN
- Chinese Journal on Internet of Things Vol. 3, Issue 3, Pages: 70-75(2019)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.2096-3750.2019.00121
  CLC： TP183
- Published：30 September 2019，
  
  Published Online：2019-09，
- 稿件说明：
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CHI JIN, ZHIJUN LI, DAYANG SUN, et al. Human activity recognition algorithm based on the spatial feature for WBAN. [J]. Chinese journal on internet of things, 2019, 3(3): 70-75.
DOI：

CHI JIN, ZHIJUN LI, DAYANG SUN, et al. Human activity recognition algorithm based on the spatial feature for WBAN. [J]. Chinese journal on internet of things, 2019, 3(3): 70-75. DOI： 10.11959/j.issn.2096-3750.2019.00121.

摘要

针对传统基于图像视频的姿态识别算法中所存在的计算成本高、摄像盲区多、隐私易泄露等问题，提出了一种基于手机加速度与陀螺仪数据的卷积—卷积长短时记忆—注意力（CCLA，convolution-convolutional long short-term memory-attention）人体姿态识别算法。使用卷积神经网络对姿态数据进行空间特征提取，采用卷积长短时记忆网络挖掘数据中隐含的时序信息，模拟人脑选择注意力机制构建Attention（注意力）编码器进行更高层次的时空特征提取，以实现对姿态的精准分类。在加州大学欧文分校提出的基于智能手机的人体活动与转换姿态识别数据集上对CCLA算法进行了测试，实现了对12元姿态的分类识别，识别准确率达93.27%。

Abstract

Traditional image-based activity recognition algorithms have some problems

such as high computational cost

numerous blind spots and easy privacy leakage.To solve the problem above

the CCLA (convolution-convolutional long short-term memory-attention) activity recognition algorithm based on the acceleration and gyroscope data was proposed.The convolutional neural network was used to extract spatial features of activity data and got the hidden time series information from the convolutional long short-term memory network.Simulating human brain selecting attention mechanism

attention-encoder was constructed to extract the spatial and temporal features at a higher level.The CCLA algorithm was tested on UCI-HAPT (university of California Irvine-smartphone-based recognition of human activities and postural transitions) public data set

and realized the classification of 12 types of activity with the accuracy of 93.27%.

关键词

神经网络姿态识别注意力机制无线体域网

Keywords

neural networkactivity recognitionattention mechanismwireless body area network (WBAN)

references

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