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Zimin Ran

3 accepted papers

2025

HUST: High-Fidelity Unbiased Skin Tone Estimation via Texture Quantization

ICCV 2025poster

Recent 3D facial reconstruction methods have made significant progress in shape estimation, but high-fidelity unbiased facial albedo estimation remains challenging. Existing methods rely on expensive light-stage captured data, and while they have made progress in either high-fidelity reconstruction…

2025

Region-based Cluster Discrimination for Visual Representation Learning

ICCV 2025poster

Learning visual representations is foundational for a broad spectrum of downstream tasks. Although recent vision-language contrastive models, such as CLIP and SigLIP, have achieved impressive zero-shot performance via large-scale vision-language alignment, their reliance on global representations co…

2025

UniViT: Unifying Image and Video Understanding in One Vision Encoder

NeurIPS 2025poster

Despite the impressive progress of recent pretraining methods on multimodal tasks, existing methods are inherently biased towards either spatial modeling (e.g., CLIP) or temporal modeling (e.g., V-JEPA), limiting their joint capture of spatial details and temporal dynamics. To this end, we propose U…

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