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Pattern Recognition and Artificial Intelligence  2024, Vol. 37 Issue (4): 299-312    DOI: 10.16451/j.cnki.issn1003-6059.202404002
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Image Super-Resolution Reconstruction Based on Feature Aggregation and Propagation Network
BO Yangyu1, LIU Xiaojing1, WU Yongliang1, Wang Xuejun1
1. School of Information Science and Technology, Shijiazhuang Tiedao University, Shijiazhuang 050043

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Abstract  

Image super-resolution reconstruction based on deep learning improves the image reconstruction performance by deepening the network. However, its application on resource-limited devices is limited due to the sharp increase in the number of parameters caused by complex networks. To solve this problem, an image super-resolution reconstruction method based on feature aggregation and propagation network is proposed, enriching internal information of images by extracting and fusing features step by step. Firstly, a contextual interaction attention block is proposed to enable the network to learn the rich contextual information of feature maps as well as improve the utilization of features. Then, a multi-dimensional attention enhancement block is designed to improve the network's ability to discriminate the key features and extract high-frequency information in channel dimension and spatial dimension, respectively. Finally, a feature aggregation and propagation block is proposed to effectively aggregate deep detail information, remove redundant information and promote the propagation of effective information in the network. Experimental results on Set5,Set14,BSD100 and Urban100 datasets demonstrate the superiority of the proposed method with clearer details of reconstructed images.

Key wordsImage Super-Resolution Reconstruction      Convolutional Neural Network      Contextual Interaction Attention      Multi-dimensional Attention      Feature Aggregation     
Received: 13 November 2023     
ZTFLH: TP 751  
  TP 391.41  
  TP 183  
Fund:

National Natural Science Foundation of China(No.62106157), Natural Science Foundation of Hebei Province(No.F2021210002), Open Project Foundation of Intelligent Information Processing Key Laboratory of Shanxi Province(No.CICIP2022001)

Corresponding Authors: WANG Xuejun, Ph.D., lecturer. His research interests include image processing and sparse learning.   
About author:: BO Yangyu, Master student. Her research interests include image processing and deep learning.LIU Xiaojing, Master student. Her research interests include image processing and deep learning. WU Yongliang, Ph.D., lecturer. His research interests include machine learning and natural language processing.
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BO Yangyu
LIU Xiaojing
WU Yongliang
Wang Xuejun
Cite this article:   
BO Yangyu,LIU Xiaojing,WU Yongliang等. Image Super-Resolution Reconstruction Based on Feature Aggregation and Propagation Network[J]. Pattern Recognition and Artificial Intelligence, 2024, 37(4): 299-312.
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http://manu46.magtech.com.cn/Jweb_prai/EN/10.16451/j.cnki.issn1003-6059.202404002      OR     http://manu46.magtech.com.cn/Jweb_prai/EN/Y2024/V37/I4/299
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