Author

Luping Zhou

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Preprint Sep 2026

Reduce, Then Encode: Multiscale Volumetric Reduction for 2D Foundation Models in Brain MRI

Pretrained 2D foundation models offer a practical alternative to dedicated 3D pretraining for brain structural magnetic resonance imaging (sMRI), but their use on volumetric data requires bridging the mismatch between a 2D encoder and a 3D volume input. Existing methods typically encode slices independently and integra...

De-Xuan Ding, Yuan-Kai Qi, Bo-Gong Wang et al. · 0 citations

Preprint Sep 2026

DementiaCare-Bench: A Modality-Validated Video Benchmark

Dementia affects an estimated 57 million people worldwide, and for most families the hardest part of care is not memory loss but the behavioral and psychological symptoms of dementia (BPSD): agitation, wandering, resistance to care, sundowning. Understanding these symptoms requires more than recognizing the behavior it...

Afrouz Sheikholeslami, Yuan-Kai Qi, Xu-Yun Zhang et al. · 0 citations

Preprint Aug 2026

Recurrent Contrastive Learning for Imbalanced Medical Image Classification

Recurrent Contrastive Learning progressively expands the support region of tail classes by recurrently reusing historical feature states across training phases and devise a Temporal Memory Queue (TMQ) to preserve corpus-level features across training phases and provide diversified global references for contrastive lear...

Zhiyuan Zhu, Xinling Meng, Junxuan Yu et al. · 0 citations