AccLock: In-Ear Accelerometer-Based Biometric Authentication
Researchers propose AccLock, a passive user authentication system that uses in-ear accelerometers to capture heartbeat-derived BCG signals. Unlike existing earphone-based methods requiring active user interaction or speaker output, AccLock operates unobtrusively and resists environmental noise. The system extracts unique biometric features from BCG signals for secure verification. The paper is published on arXiv with ID 2605.11901.
Key facts
- AccLock uses in-ear accelerometers for authentication
- System captures BCG signals from heartbeat
- No explicit user interaction required
- Resilient to environmental noise
- Published on arXiv (ID: 2605.11901)
- Addresses limitations of existing earphone-based authentication
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