ZTE Communications ›› 2021, Vol. 19 ›› Issue (3): 13-21.doi: 10.12142/ZTECOM.202103003
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WU Jiaying, WANG Chuyu(), XIE Lei
Received:
2021-06-10
Online:
2021-09-25
Published:
2021-10-11
About author:
WU Jiaying is a Ph.D. student in the Department of Computer Science and Technology, Nanjing University, China, supervised by Prof. XIE Lei and WANG Chuyu. Her research interests include smart sensing and RFID.|WANG Chuyu (Supported by:
WU Jiaying, WANG Chuyu, XIE Lei. Device-Free In-Air Gesture Recognition Based on RFID Tag Array[J]. ZTE Communications, 2021, 19(3): 13-21.
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Table 1
CNN-LSTM structure"
Layer | Description | |
---|---|---|
CNN part | Input layer | Input: feature image sequence Length of sequence: 5 Image size: 15×21 |
Convolution layer-1 | Extract Kernel size: 3×3× Step size: 1 Activation function: ReLU | |
Pooling layer-1 | Downsample the extracted features Pooling type: max pooling Template size: 2×2 Step size: 2 | |
Convolution layer-2 | Extract Kernel size: 3×3× Step size: 1 Activation function: ReLU | |
Pooling layer-2 | Downsample the extracted features Pooling type: max pooling Template size: 2×2 Step size: 2 | |
Fully connected layer | Fully connect the features to | |
LSTM part | LSTM layer | Extract features from summary vector sequence Time steps: 5 Number of hidden units: |
Fully connected layer | Fully connect the features to six-dimensional prediction vector |
1 |
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