no code implementations • 14 Jul 2023 • An-Hung Hsiao, Li-Hsiang Shen, Chen-Yi Chang, Chun-Jie Chiu, Kai-Ten Feng
Both simulation and experimental results demonstrate that the proposed SALC system can effectively reconstruct the fingerprint database with an enhanced location estimation accuracy, which outperforms the other existing schemes in the open literature.
no code implementations • 25 Apr 2023 • Li-Hsiang Shen, An-Hung Hsiao, Fang-Yu Chu, Kai-Ten Feng
In this paper, we propose a device-free human presence detection system for multi-room scenarios using a time-selective conditional dual feature extract recurrent network (TCD-FERN).
no code implementations • 25 Apr 2023 • Li-Hsiang Shen, An-Hung Hsiao, Kuan-I Lu, Kai-Ten Feng
Overall, our proposed ALPD system shows promising results for human presence detection using WiFi CSI signals.
no code implementations • 26 Mar 2023 • Chi-Che Chang, An-Hung Hsiao, Li-Hsiang Shen, Kai-Ten Feng, Chia-Yu Chen
In this paper, we propose the attention-based learning for sleep apnea and limb movement detection (ALESAL) system that can jointly detect sleep apnea and PLMD under different sleep postures across a variety of patients.
no code implementations • 25 Mar 2023 • Wen Liu, An-Hung Hsiao, Li-Hsiang Shen, Kai-Ten Feng
The demand for device-free indoor localization using commercial Wi-Fi devices has rapidly increased in various fields due to its convenience and versatile applications.
no code implementations • 21 Dec 2022 • Li-Hsiang Shen, Kai-Jui Chen, An-Hung Hsiao, Kai-Ten Feng
Furthermore, BTS outperforms existing SSL-based models in terms of the highest detection accuracy while achieving the asymptotic performance of SL-based methods.
no code implementations • 7 Nov 2022 • Li-Hsiang Shen, Chia-Che Hsieh, An-Hung Hsiao, Kai-Ten Feng
In this work, we propose a system called CRONOS (Colorization and Contrastive Learning Enhanced NLoS Human Presence Detection), which generates dynamic recurrence plots (RPs) and color-coded CSI ratios to distinguish mobile and stationary people from vacancy in a room, respectively.