collaborators

6 papers

cs.CV2026

U-TTT: Towards Generalizable PET Image Denoising via Test-Time Training

Zhiwen Yang, Jiayin Li, Hao Lu +3

Existing deep learning models for Positron Emission Tomography (PET) image denoising often suffer from severe performance degradation under distribution shifts, fundamentally restr…

cs.CV2025

TAT: Task-Adaptive Transformer for All-in-One Medical Image Restoration

Zhiwen Yang, Jiaju Zhang, Yang Yi +3

Medical image restoration (MedIR) aims to recover high-quality medical images from their low-quality counterparts. Recent advancements in MedIR have focused on All-in-One models ca…

cs.CV2025

Novel View Synthesis from A Few Glimpses via Test-Time Natural Video Completion

Yan Xu, Yixing Wang, Stella X. Yu

Given just a few glimpses of a scene, can you imagine the movie playing out as the camera glides through it? That's the lens we take on \emph{sparse-input novel view synthesis}, no…

cs.CV2025

All-in-One Medical Image Restoration with Latent Diffusion-Enhanced Vector-Quantized Codebook Prior

Haowei Chen, Zhiwen Yang, Haotian Hou +4

All-in-one medical image restoration (MedIR) aims to address multiple MedIR tasks using a unified model, concurrently recovering various high-quality (HQ) medical images (e.g., MRI…

cs.CV2025

FEAT: Full-Dimensional Efficient Attention Transformer for Medical Video Generation

Huihan Wang, Zhiwen Yang, Hui Zhang +3

Synthesizing high-quality dynamic medical videos remains a significant challenge due to the need for modeling both spatial consistency and temporal dynamics. Existing Transformer-b…

eess.IV2025

Restore-RWKV: Efficient and Effective Medical Image Restoration with RWKV

Zhiwen Yang, Jiayin Li, Hui Zhang +3

Transformers have revolutionized medical image restoration, but the quadratic complexity still poses limitations for their application to high-resolution medical images. The recent…