A novel radar-based system demonstrates high accuracy (94.3%) for contactless fall detection and localization in a home environment.
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May support contactless fall monitoring in homes but should not yet change practice; leaves open need for larger validation trials.
Innovative technology approaches have been increasingly investigated for the last two decades aiming at human-being long-term monitoring. However, current solutions suffer from critical limitations. In this paper, a complete system for contactless health-monitoring in home environment is presented. For the first time, radar, wireless communications, and data processing techniques are combined, enabling contactless fall detection and tagless localization. Practical limitations are considered and properly dealt with. Experimental tests, conducted with human volunteers in a realistic room setting, demonstrate an adequate detection of the target's absolute distance and a success rate of 94.3% in distinguishing fall events from normal movements. The volunteers were free to move about the whole room with no constraints in their movements.
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Mercuri et al. (2013) studied this question.
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