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Enabling Lightweight Device-Free Wireless Sensing With Network Pruning and Quantization

delete2022-01-01
delete6
PRE
AI
Y
Ye Sun
李
李凡 (Fan Li)
G
Gang Li
马
马晓瑞 (Xiaorui Ma)
Q
Qinghua Gao
苗盼 封面图
苗盼 (Miao Pan)
J
Jie Wang *
DOI:10.1109/JSEN.2021.3129466delete
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摘要

摘要

En 中文
Deep learning based device-free wireless sensing systems have achieved satisfactory performance in sensing human gesture, identity, location, etc.. However, subject to the limited computation and storage resources of wireless devices, complex deep learning algorithms could not run on these devices, which limits the practical implementation. In this paper, motivated by the emerging edge intelligence technique, we try to explore and exploit realizing lightweight device-free wireless sensing with network pruning and network quantization methods, which could reduce the complexity of a sensing system while keeping its sensing performance almost unchanged. Specifically, we propose a Taylor criterion ranking based network pruning strategy to remove the nonessential neurons so as to reduce the computational complexity and storage requirement, and design a network quantization strategy to quantize network parameters so as to further reduce the storage requirement. We design a mmWave-based device-free gesture recognition testbed to evaluate the proposed strategies. Extensive experimental results show that the developed strategies reduce the computational complexity and storage requirement to 27% and 14%, respectively, with the recognition accuracy reduced by only 2%.
Keyword:
Wireless sensor networks
Sensors
Wireless communication
Performance evaluation
Quantization (signal)
Robot sensing systems
Deep learning
Device-free
wireless sensing
gesture recognition
deep learning

期刊

IEEE Sensors Journal 封面图
IEEE Sensors Journal
IF:
4.5
论文数:
2.2W
被引数:
7.3W

机构

U
university of houston system
学者数:
1.4W
论文数: 1.4W
被引数: 16
D
Dalian University of Technology
学者数:
6.0W
论文数: 4.4W
被引数: 5.5W
D
Dalian Maritime University
学者数:
1.2W
论文数: 7.9K
被引数: 6.3K
U
university of houston
学者数:
9.7K
论文数: 7.9K
被引数: 11
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