State-of-the-Art Transformer Models for Image Super-Resolution: Techniques, Challenges, and Applications

• URL: http://arxiv.org/abs/2501.07855v1
• Date: Tue, 14 Jan 2025 05:43:59 GMT
• Title: State-of-the-Art Transformer Models for Image Super-Resolution: Techniques, Challenges, and Applications
• Authors: Debasish Dutta, Deepjyoti Chetia, Neeharika Sonowal, Sanjib Kr Kalita,
• Abstract summary: Image Super-Resolution aims to recover a high-resolution image from its low-resolution counterpart. Recent advancements in transformer-based methods have remolded image super-resolution.
• Score: 0.0
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• Abstract: Image Super-Resolution (SR) aims to recover a high-resolution image from its low-resolution counterpart, which has been affected by a specific degradation process. This is achieved by enhancing detail and visual quality. Recent advancements in transformer-based methods have remolded image super-resolution by enabling high-quality reconstructions surpassing previous deep-learning approaches like CNN and GAN-based. This effectively addresses the limitations of previous methods, such as limited receptive fields, poor global context capture, and challenges in high-frequency detail recovery. Additionally, the paper reviews recent trends and advancements in transformer-based SR models, exploring various innovative techniques and architectures that combine transformers with traditional networks to balance global and local contexts. These neoteric methods are critically analyzed, revealing promising yet unexplored gaps and potential directions for future research. Several visualizations of models and techniques are included to foster a holistic understanding of recent trends. This work seeks to offer a structured roadmap for researchers at the forefront of deep learning, specifically exploring the impact of transformers on super-resolution techniques.

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