Author

Zequan Liang

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Preprint Jul 2026

Low-Rate Wrist SpO2 Estimation under Micro-Perturbations Using Motion-Aware Beat Selection and Perfusion-Guided Calibration

A lightweight low-rate wrist SPO2 estimation framework that integrates motion-aware beat selection and perfusion-guided calibration is proposed that achieves the best 25 Hz performance and reduces PPG sensor power consumption for energy-efficient wearable implementation.

Zequan Liang, Ning Miao, Wei Shao et al. · 0 citations

Preprint Aug 2026

Beyond End-to-End Success: Diagnosing Failures in Long-Horizon Security LLM Agents

The results show that the dominant source of failure can shift across model generations, motivating evaluation that diagnoses where and why long-horizon security agents fail rather than relying only on aggregate task success.

Wei Shao, Chongzhou Fang, Zu-Xiong Tan et al. · 1 citation