AI RESEARCH
RASR: Retrieval-Augmented Super Resolution for Practical Reference-based Image Restoration
arXiv CS.CV
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ArXi:2508.09449v2 Announce Type: replace Reference-based Super Resolution (RefSR) improves upon Single Image Super Resolution (SISR) by leveraging high-quality reference images to enhance texture fidelity and visual realism. However, a critical limitation of existing RefSR approaches is their reliance on manually curated target-reference image pairs, which severely constrains their practicality in real-world scenarios. To overcome this, we