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Fall Detection Using Standoff Radar-Based Sensing and Deep Convolutional Neural Network

delete2020-01-01
delete72
PRE
AI
H
Hamidreza Sadreazami *
M
Miodrag Bolić
S
Sreeraman Rajan
DOI:10.1109/TCSII.2019.2904498delete
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Abstract

Abstract

En 中文
Automatic fall detection using radar aids in better assisted living and smarter health care. In this brief, a novel time series-based method for detecting fall incidents in human daily activities is proposed. A time series in the slow-time is obtained by summing all the range bins corresponding to fast-time of the ultra wideband radar return signals. This time series is used as input to the proposed deep convolutional neural network for automatic feature extraction. In contrast to other existing methods, the proposed fall detection method relies on multi-level feature learning directly from the radar time series signals. In particular, the proposed method utilizes a deep convolutional neural network for automating feature extraction as well as global maximum pooling technique for enhancing model discriminability. The performance of the proposed method is compared with that of the state-of-the-art, such as recurrent neural network, multi-layer perceptron, and dynamic time warping techniques. The results demonstrate that the proposed fall detection method outperforms the other methods in terms of higher accuracy, precision, sensitivity, and specificity values.
Keywords:
Feature extraction
Time series analysis
Convolutional neural networks
Radar detection
Convolution
Biomedical signal processing
smart homes
fall detection
convolutional neural network
ultra-wideband radar
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Key information extracted from the uploaded paper, including a brief overview, abstract, background, key highlights, visual analysis, and future outlook.

Journal

I
IEEE Transactions on Circuits and Systems and Express Briefs
IF:
4.9
Papers:
8.8K
Citations:
2.5W

Organization

C
carleton university
Scholars:
7.5K
Papers: 8.3K
Citations: 5
U
University of Ottawa
Scholars:
3.5W
Papers: 3.1W
Citations: 3.8W
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