Author

Bing Ai

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Aug 2026

Joint signal-domain segmentation and reconstruction for photoacoustic tomography via physics-informed self-supervised learning

JIRSSD-Net eliminates the error propagation of conventional sequential pipelines and enhances robustness and accuracy for preclinical PAT applications and outperforming image-domain, signal-domain, and joint baselines across all metrics with statistical significance confirmed by the Friedman test.

Zheng Sun, Bing Ai, Mei-Chen Sun et al. · Physica Scripta · 0 citations

Open access Jul 2026

Hierarchical Mean-Field Theory-based Off-Policy GRPO for Federated Edge Learning in Resource-Constrained Edge Computing

A novel algorithm named Group Relative Policy Optimization Based on Hierarchical Mean-Field Theory (OGRPO-HMF) is proposed, which can jointly optimize the local training of nodes and the global model aggregation of servers to comprehensively enhance the efficiency and performance of FEL.

Bing Ai, Yu Sun, Jun Wang et al. · Cognitive Computation · 0 citations