Bird-SR outperforms prior super-resolution methods on real images by guiding diffusion trajectories with bidirectional rewards, early structure optimization on synthetic pairs, and later perceptual rewards with dynamic balancing.
Dream- clear: High-capacity real-world image restoration with privacy-safe dataset curation.Advances in Neural Informa- tion Processing Systems, 37:55443–55469, 2024
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Bird-SR: Bidirectional Reward-Guided Diffusion for Real-World Image Super-Resolution
Bird-SR outperforms prior super-resolution methods on real images by guiding diffusion trajectories with bidirectional rewards, early structure optimization on synthetic pairs, and later perceptual rewards with dynamic balancing.