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- W4285328000 abstract "WiFi-based human activity recognition has been widely used in many fields such as health diagnosis, intrusion detection and smart home. Most existing recognition methods can achieve a satisfying accuracy only in one domain, but low accuracy occurs when models are trained in source domain but are used in target domain. Meanwhile, considering finetuning network directly is impossible or easy to overfit with limited labeled target data, transfer learning based methods with domain adaptive layers are proposed to solve above problems but just aligning marginal distribution, which may lose massive fine-grained features. Based on this, we present an end-to-end deep subdomain adaptive network based activities recognition (DSANAR) using Channel State Information (CSI) that aligns marginal and matches conditional distribution simultaneously for more fine-grained features in each category of relevant subdomains based on a local maximum mean discrepancy (LMMD). Besides, by using a joint cross-entropy and an adaptive loss as training loss, DSANAR outperforms other state-of-art methods on an autonomous dataset with average 95.6% cross-domain accuracy." @default.
- W4285328000 created "2022-07-14" @default.
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- W4285328000 date "2021-12-01" @default.
- W4285328000 modified "2023-10-01" @default.
- W4285328000 title "Subdomain Adaptive Learning Network for Cross-Domain Human Activities Recognition Using WiFi with CSI" @default.
- W4285328000 doi "https://doi.org/10.1109/icpads53394.2021.00006" @default.
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