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Author

Qingsen Yan

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Preprint Aug 2026

Coupled Continuous-Discrete Generation for Scene Text Image Super-Resolution

DualTSR is presented, a unified framework that formulates STISR as coupled continuous-discrete generation and achieves the best FID, LPIPS, ACC, and NED among the compared methods at both X2 and X4.

Axi Niu, Knag Zhang, Qing-Sen Yan et al. · 0 citations
Preprint Aug 2026

DPC-Net: Dual-Prior Collaborative Network for All-in-One Image Restoration

A novel Dual-Prior Collaborative Network (DPC-Net) is proposed, which achieves high-quality restoration by jointly exploiting degradation-semantic coupled priors and low-level visual priors and propagates coupled representations to the decoder.

Zhaokun He, Kangbiao Shi, Axi Niu et al. · 0 citations
Preprint Aug 2026

Unleashing the Power of Text: Text-Guided Flow Matching for Image Fusion under Complex Degradations

TGFusion is proposed, a text-guided latent-space flow matching framework that unifies degradation suppression and cross-modal fusion and achieves superior or competitive performance in perceptual quality, image naturalness, structural-detail preservation, and infrared-saliency retention, while remaining robust across d...

Axi Niu, Jiehua Li, Kang Zhang et al. · 0 citations
Preprint Aug 2026

MeanSR: Restoration Trajectory Learning for One-Step Perceptual Super-Resolution

This work proposes MeanSR, a one-step perceptual SR method that learns an LR-conditioned average velocity field to directly capture the finite-time transition from degraded or noisy inputs to plausible HR outputs and introduces a Stage-Aware Temporal Sampling strategy to improve trajectory learning.

Axi Niu, Jiawei Kou, Kang Zhang et al. · 0 citations

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