Progressive Rain Removal via a Recurrent Convolutional Network for Real Rain Videos

Rain removal in videos is a problem that has attracted tremendous interest of researchers within the field of deep learning. Although deep-learning-based rain removal methods outperform large number of conventional vision methods, some technical issues that need to be resolved remain. In this articl...

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Main Authors: Kyu-Ho Lee, Eunji Ryu, Jong-Ok Kim
Format: Article
Language:English
Published: IEEE 2020-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9252089/
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author Kyu-Ho Lee
Eunji Ryu
Jong-Ok Kim
author_facet Kyu-Ho Lee
Eunji Ryu
Jong-Ok Kim
author_sort Kyu-Ho Lee
collection DOAJ
description Rain removal in videos is a problem that has attracted tremendous interest of researchers within the field of deep learning. Although deep-learning-based rain removal methods outperform large number of conventional vision methods, some technical issues that need to be resolved remain. In this article, we propose a new deep learning method for video rain removal based on recurrent neural network (RNN) architecture. Pseudo groundtruth was generated from real rainy video sequence by temporal filtering for supervised learning. Instead of focusing on various shapes of rain streaks similar to conventional methods, in this article, we focused on the changing behaviors of rain streaks. To accomplish this, images of progressive rain streaks were generated from the real rain videos and are sequentially fed to the network in a decreasing rain order. Multiple images with different amounts of rain streaks were used as RNN inputs to more efficiently identify rain streaks and then remove them. Experimental results demonstrate that our method is suitable for a wide range of rainy images. Moreover, experiments performed on both real-world and synthetic images demonstrate that our proposed method can achieve competitive results in comparison with the benchmarked and conventional approaches for rain streak removal from images.
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spelling doaj.art-333bbb5577aa4e0c965a9b12bacdc6922022-12-21T17:26:08ZengIEEEIEEE Access2169-35362020-01-01820313420314510.1109/ACCESS.2020.30366809252089Progressive Rain Removal via a Recurrent Convolutional Network for Real Rain VideosKyu-Ho Lee0https://orcid.org/0000-0001-5049-6727Eunji Ryu1Jong-Ok Kim2https://orcid.org/0000-0001-7022-2408School of Electrical Engineering, Korea University, Seoul, South KoreaSchool of Electrical Engineering, Korea University, Seoul, South KoreaSchool of Electrical Engineering, Korea University, Seoul, South KoreaRain removal in videos is a problem that has attracted tremendous interest of researchers within the field of deep learning. Although deep-learning-based rain removal methods outperform large number of conventional vision methods, some technical issues that need to be resolved remain. In this article, we propose a new deep learning method for video rain removal based on recurrent neural network (RNN) architecture. Pseudo groundtruth was generated from real rainy video sequence by temporal filtering for supervised learning. Instead of focusing on various shapes of rain streaks similar to conventional methods, in this article, we focused on the changing behaviors of rain streaks. To accomplish this, images of progressive rain streaks were generated from the real rain videos and are sequentially fed to the network in a decreasing rain order. Multiple images with different amounts of rain streaks were used as RNN inputs to more efficiently identify rain streaks and then remove them. Experimental results demonstrate that our method is suitable for a wide range of rainy images. Moreover, experiments performed on both real-world and synthetic images demonstrate that our proposed method can achieve competitive results in comparison with the benchmarked and conventional approaches for rain streak removal from images.https://ieeexplore.ieee.org/document/9252089/Progressive rain removalreal rain datasetvideo rain removalimage restorationrecurrent convolutional network
spellingShingle Kyu-Ho Lee
Eunji Ryu
Jong-Ok Kim
Progressive Rain Removal via a Recurrent Convolutional Network for Real Rain Videos
IEEE Access
Progressive rain removal
real rain dataset
video rain removal
image restoration
recurrent convolutional network
title Progressive Rain Removal via a Recurrent Convolutional Network for Real Rain Videos
title_full Progressive Rain Removal via a Recurrent Convolutional Network for Real Rain Videos
title_fullStr Progressive Rain Removal via a Recurrent Convolutional Network for Real Rain Videos
title_full_unstemmed Progressive Rain Removal via a Recurrent Convolutional Network for Real Rain Videos
title_short Progressive Rain Removal via a Recurrent Convolutional Network for Real Rain Videos
title_sort progressive rain removal via a recurrent convolutional network for real rain videos
topic Progressive rain removal
real rain dataset
video rain removal
image restoration
recurrent convolutional network
url https://ieeexplore.ieee.org/document/9252089/
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AT jongokkim progressiverainremovalviaarecurrentconvolutionalnetworkforrealrainvideos