3 papers
cs.SD2026
A Lightweight Dual-Factor Acoustic Authentication System via Cascaded GMM-DTW Architecture for Edge Computing
Yutong Zhang
This paper presents a lightweight, cascaded GMM-DTW dual-factor voice lock system for resource-constrained edge environments. By utilizing a shared MFCC feature space, the framewor…
cs.LG2026
Noise-Adaptive High-Probability Regret Bounds for Online Convex Optimization
Wentao Zhang, Yutong Zhang, Wentao Mo
We study high-probability regret bounds for online convex optimization (OCO) with strongly convex losses and establish three results that resolve open questions at the intersection…
cs.AI2026
Universal Smoothness via Bernstein Polynomials: A Constructive Approximation Approach for Activation Functions
Wentao Zhang, Yutong Zhang, Yifan Zhu +1
The efficacy of deep neural networks is heavily reliant on the design of non-linear activation functions, yet existing approaches often struggle to balance optimization stability w…