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- W2897843589 abstract "In real life applications, it is crucial to monitor the different kinds of human activity without interfering with their regular occupations. Contactless physiological monitoring using radars is a valuable tool, but typically it is performed when the human subjects are immobile. This paper analyzes single channel Continuous Wave (CW) Doppler radar signals in relation to three levels of human activity: i) Sedentary and still, ii) Sedentary and moving and iii) Walking. A combination of computational intelligence techniques (GammaTest, neural networks, random forest and genetic algorithms) was used for assessing the predictive ability of 43 features derived from the radar return signal, as well as of subsets of them, which were composed of highly predictive attributes. It is shown that with about one half the number of attributes it is possible to achieve high levels of classification accuracy, in some cases improving false negative ratios. While several attributes were completely irrelevant and noisy, others were required by discriminating each of the classes. There are attributes required by certain classes in particular and there are others associated to the distinction of classes with subtle differences." @default.
- W2897843589 created "2018-10-26" @default.
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- W2897843589 date "2018-07-01" @default.
- W2897843589 modified "2023-09-27" @default.
- W2897843589 title "Single Channel Continuous Wave Doppler Radar for Differentiating Types of Human Activity" @default.
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- W2897843589 doi "https://doi.org/10.1109/ijcnn.2018.8489391" @default.
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