Degradation-Aware Transformer for Single Image Deraining

The crux of image deraining originates from recognizing various rain patterns. Most existing methods employ low-level spatial or sequential information to reconstruct the rain-free background image. However, due to the lack of sufficiently capturing long-term contextual relation between pixels, thes...

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Main Authors: Peijun Zhao, Tongjun Wang
Format: Article
Language:English
Published: IEEE 2023-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/10237180/
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author Peijun Zhao
Tongjun Wang
author_facet Peijun Zhao
Tongjun Wang
author_sort Peijun Zhao
collection DOAJ
description The crux of image deraining originates from recognizing various rain patterns. Most existing methods employ low-level spatial or sequential information to reconstruct the rain-free background image. However, due to the lack of sufficiently capturing long-term contextual relation between pixels, these methods often lead to incompletely modeling rain patterns and visible rain residues remained. In this paper, we propose a novel Degradation-Aware Transformer (DAT), which leverages a multi-level contrastive learning to obtain discriminative degradation representations by a degradation-aware model. Based on this, we also design a degradation-aware self-attention mechanism to improve the restoration performance on diverse rain patterns. Benefiting from the developed self-attention mechanism, DAT is able to capture long-term relations between pixels as well as completely modeling the rain degradation patterns. Extensive experiments demonstrate that our DAT is able to achieve the state-of-the-art performance of single image deraining in terms of both qualitatively visual comparison and quantitative comparison with other baseline methods on benchmark datasets.
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spelling doaj.art-9a20f74eafd84154b093bc6f9942db952023-09-14T23:00:37ZengIEEEIEEE Access2169-35362023-01-0111972749728310.1109/ACCESS.2023.331113810237180Degradation-Aware Transformer for Single Image DerainingPeijun Zhao0https://orcid.org/0009-0009-1045-0236Tongjun Wang1School of Information Engineering, Xinyang Agriculture and Forestry University, Xinyang, ChinaSchool of Information Engineering, Xinyang Agriculture and Forestry University, Xinyang, ChinaThe crux of image deraining originates from recognizing various rain patterns. Most existing methods employ low-level spatial or sequential information to reconstruct the rain-free background image. However, due to the lack of sufficiently capturing long-term contextual relation between pixels, these methods often lead to incompletely modeling rain patterns and visible rain residues remained. In this paper, we propose a novel Degradation-Aware Transformer (DAT), which leverages a multi-level contrastive learning to obtain discriminative degradation representations by a degradation-aware model. Based on this, we also design a degradation-aware self-attention mechanism to improve the restoration performance on diverse rain patterns. Benefiting from the developed self-attention mechanism, DAT is able to capture long-term relations between pixels as well as completely modeling the rain degradation patterns. Extensive experiments demonstrate that our DAT is able to achieve the state-of-the-art performance of single image deraining in terms of both qualitatively visual comparison and quantitative comparison with other baseline methods on benchmark datasets.https://ieeexplore.ieee.org/document/10237180/Image derainingdegradation representationcontrastive learninggenerative model
spellingShingle Peijun Zhao
Tongjun Wang
Degradation-Aware Transformer for Single Image Deraining
IEEE Access
Image deraining
degradation representation
contrastive learning
generative model
title Degradation-Aware Transformer for Single Image Deraining
title_full Degradation-Aware Transformer for Single Image Deraining
title_fullStr Degradation-Aware Transformer for Single Image Deraining
title_full_unstemmed Degradation-Aware Transformer for Single Image Deraining
title_short Degradation-Aware Transformer for Single Image Deraining
title_sort degradation aware transformer for single image deraining
topic Image deraining
degradation representation
contrastive learning
generative model
url https://ieeexplore.ieee.org/document/10237180/
work_keys_str_mv AT peijunzhao degradationawaretransformerforsingleimagederaining
AT tongjunwang degradationawaretransformerforsingleimagederaining