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Author

Zhiyong Wei

3 papers indexed here

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Oct 2026

Design and performance evaluation of a GAGG:Ce long-bar Compton camera with dual-ended DOI readout using Geant4 simulations.

Compton cameras enable medium- and high-energy gamma-ray imaging without mechanical collimation. Extending an individual detector element increases the active volume without adding readout channels, but also increases axial position uncertainty and can degrade angular resolution. This study evaluated whether a cerium-d...

Jia-Feng Li, Ming Zhang, Yong-Li Mu et al. · 0 citations
Open access Aug 2026

Unified Multi-Weather Image Restoration with Intra-Task Difficulty and Inter-Task Contribution

UMWIR-Net is proposed, a unified multi-weather image restoration network equipped with an Asymmetric Task Collaborative Learning strategy, which achieves state-of-the-art performance and delivers more balanced restoration quality across rain, haze, and snow removal.

Sheng-Jie Lei, Zhi-Yong Wei, Zi-Qi Wu · 0 citations
Open access Aug 2026

Few-Shot SAR Object Detection with Prior Class Perceptron and Cross-Entropy

Few-Shot Synthetic Aperture Radar (SAR) object detection aims to identify and localize unseen categories using only a small number of annotated support samples. However, performance is fundamentally constrained by two coupled challenges: speckle noise and structured clutter cause unstable region proposals and support–q...

Shengjie Lei, Ziqi Wu, Xinyi Cai et al. · 0 citations

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