Text-guided Explorable Image Super-resolution
Kanchana Vaishnavi Gandikota, Paramanand Chandramouli

TL;DR
This paper introduces a zero-shot, text-guided approach to image super-resolution that enables diverse, semantically accurate reconstructions without training on specific degradations, enhancing exploration and restoration quality.
Contribution
It proposes two novel zero-shot, text-guided super-resolution methods using diffusion models, allowing diverse, semantically aligned reconstructions without task-specific training.
Findings
Methods produce diverse, semantically accurate solutions.
Approaches outperform existing techniques in restoration quality.
Enhanced exploration of super-resolution solutions.
Abstract
In this paper, we introduce the problem of zero-shot text-guided exploration of the solutions to open-domain image super-resolution. Our goal is to allow users to explore diverse, semantically accurate reconstructions that preserve data consistency with the low-resolution inputs for different large downsampling factors without explicitly training for these specific degradations. We propose two approaches for zero-shot text-guided super-resolution - i) modifying the generative process of text-to-image \textit{T2I} diffusion models to promote consistency with low-resolution inputs, and ii) incorporating language guidance into zero-shot diffusion-based restoration methods. We show that the proposed approaches result in diverse solutions that match the semantic meaning provided by the text prompt while preserving data consistency with the degraded inputs. We evaluate the proposed baselines…
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Taxonomy
TopicsAdvanced Image Processing Techniques · Computational Physics and Python Applications · Video Analysis and Summarization
MethodsDiffusion
