Author

Yu-Xi Zhou

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Preprint Oct 2026

When Does Better Acceptance Pay? A Controlled Study of Speculative Decoding

The throughput gains of speculative decoding depend on the trade-off between acceptance length and execution latency. We ask when additional acceptance is worth the cost of obtaining it. We establish a comparison protocol spanning training, inference, and evaluation, remeasuring released checkpoints and retraining six...

Yong-Chao Long, Chun-Rui Zheng, Yuxuan Zhou et al. · 0 citations

#machine learning Preprint Oct 2026

ECG-SDI: Single-lead Electrocardiogram Enables Continuous Sleep Depth Index Profiling and Scalable Digital Biomarkers for Sleep Health

Conventional sleep staging provides a coarse-grained representation that obscures within-stage depth variation. We developed ECG-SDI, a single-lead electrocardiography (ECG) framework for continuous sleep-depth profiling and digital biomarker extraction. Using 12,392 overnight polysomnographic recordings, we trained an...

Dong-Lin Xie, Qing-Shuo Zhao, Song-Chi Zhou et al. · 0 citations

#artificial intelligence Preprint Jul 2026

NeuroECG: ECGFounder-Based Deep ECG Representation for EEG-Free Neurological Prognostication After Cardiac Arrest

The proposed NeuroECG model adapts a pretrained ECG foundation model via task-specific fine-tuning and combines the learned deep ECG representation with static clinical covariates to improve prediction in an EEG-free setting.

Jia-Jun Gao, Yi Zhao, Chen-Yang Xu et al. · 0 citations