Abstract
Wireless signal-based gesture recognition attracts more and more attention in many fields due to its convenience and non-invasiveness without privacy issues. However, existing wireless gesture recognition approaches suffer a lot from the surrounding environment and relative deployment positions of wireless devices, which limits their application and generalization. As one of the most popular wireless sensing techniques, radio frequency identification (RFID) has been widely exploited for gesture recognition in recent years. In this paper, we propose a single gesture and sequential gestures recognition system ExpGRF with an experimental study via commercial RFID devices. ExpGRF leverages the elaborated signal processing pipeline and adversarial learning to extract gesture-discriminative, user-independent, environment-independent and deployment-independent features from RFID signals. Extensive experiments show that ExpGRF obtains strong effectiveness and robustness to user, environment and deployment diversity. Its accuracy achieves 97.2% for gesture sequence recognition in the non-light-of-sight (NLOS) scenario with new users and new deployments.
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Zhao, R., Zhang, Q., Cao, D. et al. Gesture recognition with RFID: an experimental study. CCF Trans. Pervasive Comp. Interact. 3, 397–412 (2021). https://doi.org/10.1007/s42486-021-00079-x
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DOI: https://doi.org/10.1007/s42486-021-00079-x