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- W4312936197 abstract "Security check-in life-support areas, e.g., bridge and engine room are crucial for cruise ships due to numerous and diverse passenger identities. Instead of conventional security check approaches, such as facial recognition and fingerprint identification, device-free approaches enabled by WiFi-based gait recognition have attracted considerable attention owing to their low cost, nonintrusiveness, and privacy protection. Despite the excellent performance of existing indoor methods, they cannot be trivially extended to cruise ships because of the unique characteristics of hull deformation caused by vibrating engines and waves. This stems from the flexible structure of cruise ships, which introduces additional noise to the WiFi signals. To address this challenge, we propose WiCrew, a device-free gait recognition system that detects crew identity anomalies in cruise ships. WiCrew consists of two components: 1) a spatial separation algorithm that separates the signal components from ship vibration and human activity and 2) a speed-independent adversarial learning framework that identifies the ship’s crew using human gaits at an arbitrary walking speed. Extensive experiments on a cruise ship demonstrate the effectiveness of WiCrew. While the crew members walk at speed of 0.7 to 1.8 m/s, the average recognition accuracy reaches 82%, which is similar to vision-based approaches." @default.
- W4312936197 created "2023-01-05" @default.
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- W4312936197 date "2023-04-15" @default.
- W4312936197 modified "2023-10-15" @default.
- W4312936197 title "WiCrew: Gait-Based Crew Identification for Cruise Ships Using Commodity WiFi" @default.
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- W4312936197 doi "https://doi.org/10.1109/jiot.2022.3228579" @default.
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