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cs.CV2026
OP4KSR: One-Step Patch-Free 4K Super-Resolution with Periodic Artifact Suppression
Chengyan Deng, Pengbin Yu, Zhentao Chen +6
Diffusion-based real-world image super-resolution (Real-ISR) has achieved remarkable perceptual quality; however, directly super-resolving images to 4K remains limited by extreme m…
cs.CV2026
Joint Geometric and Trajectory Consistency Learning for One-Step Real-World Super-Resolution
Chengyan Deng, Zhangquan Chen, Li Yu +3
Diffusion-based Real-World Image Super-Resolution (Real-ISR) achieves impressive perceptual quality but suffers from high computational costs due to iterative sampling. While recen…
cs.CV2023
Spatiotemporally Consistent HDR Indoor Lighting Estimation
Zhengqin Li, Li Yu, Mikhail Okunev +2
We propose a physically-motivated deep learning framework to solve a general version of the challenging indoor lighting estimation problem. Given a single LDR image with a depth ma…