Author

Zheren Zhu

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Open access Sep 2026

An Automated, Contamination-Controlled VQA Benchmark for Evaluating Vision-Language Models on 3D Oncology Imaging

Abstract Vision-language models (VLMs) are increasingly applied to medical imaging, yet public benchmarks may reward memorization over perception: their images and questions can enter pretraining corpora, and many items remain answerable from question text alone. We present an automated, agent-driven pipeline that buil...

Bo Liu, Han Gu, Xiang-Rui Li et al. · Research Square · 0 citations

Open access Aug 2026

Diagnostic efficacy of deep learning-based denoising of low-field 0.55 T compared to conventional 3 T knee MRI.

OBJECTIVES To evaluate the diagnostic performance of low-field 0.55 T knee magnetic resonance imaging (MRI) with and without deep learning (DL)-based image denoising techniques compared to conventional 3 T MRI. METHODS This retrospective study included 33 knee MRIs from 26 patients (10 women, mean age 52 years; ±16.9...

S. Ulas, Madeline Hess, Zhe-Ren Zhu et al. · European Journal of Radiolog... · 0 citations