Author

Tian-Yu Shi

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Open access Sep 2026

A Pilot Study on PET-to-CT Cross-Modal Translation: Systematic Validation of Brownian Bridge Diffusion Models

Cross-modal PET-to-CT translation is an important problem in medical image computing. PET encodes the functional distribution of a radiotracer, whereas CT encodes anatomical electron density, and the two are separated by a substantial modality gap. Existing approaches have well-known limitations: generative adversarial...

Tian-Yu Shi, Xiao-Yang Gu · AI Medicine · 0 citations

#federated learning Open access Sep 2026

FedQS: asynchronous federated learning based on queue scheduling

An asynchronous framework named FedQS, which employs a multi-dimensional staleness evaluation mechanism that dynamically assesses updates by combining the similarity between local and global models with client latency metrics, and implements a decoupling solution via a queue scheduling algorithm to resolve the coupling...

Jia-Hui Zhou, Fang Li, Tian-Yu Shi et al. · Journal of Cloud Computing · 0 citations