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Pattern Recognition and Artificial Intelligence  2025, Vol. 38 Issue (2): 101-115    DOI: 10.16451/j.cnki.issn1003-6059.202502001
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Image Inpainting Based on Global-Local Prior and Texture Details
XU Qijin1, YE Hailiang1, CAO Feilong2, LIANG Jiye3
1. Department of Applied Mathematics, College of Sciences, China Jiliang University, Hangzhou 310018;
2. School of Mathematical Sciences, Zhejiang Normal University, Jinhua 321004;
3. Department of Artificial Intelligence, School of Computer and Information Technology (School of Big Data), Shanxi University, Taiyuan 030006

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Abstract  Image inpainting is intended to fill in missing regions of an image using surrounding information. However, existing prior-based methods often struggle to balance global semantic consistency and local texture details. In this paper, a method for image inpainting based on global-local prior and texture details is proposed. Wavelet-Fourier convolution blocks are constructed by combining wavelet convolution and Fourier convolution to enhance the interaction between local and global features. Based on the above, a global-local learning-based prior is presented. A prior extractor composed of wavelet-Fourier convolution blocks is designed to simultaneously learn global and local priors. The prior extractor is applied to both damaged and complete images to obtain damaged priors and supervised priors. During the repair phase, the damaged image and the learned priors are input into two structurally similar repair branches. Both branches are constructed with wavelet-Fourier convolutions and can simultaneously extract and fuse global and local features. Finally, the outputs of the two branches are merged to generate the image with consistent semantic content and clear local details. Additionally, a high receptive field style loss is introduced to improve image style consistency at the semantic level. Experimental results show that the proposed method outperforms existing methods on multiple datasets.
Key wordsImage Inpainting      Learning-Based Prior      Wavelet Transform      Global-Local Feature     
Received: 06 December 2024     
ZTFLH: TP391  
Fund:National Natural Science Foundation of China(No.62176244)
Corresponding Authors: CAO Feilong, Ph.D., professor. His research interests include deep learning and image processing.   
About author:: XU Qijin, Master student. His research interests include deep learning and image processing. YE Hailiang, Ph.D., associate professor. His research interests include deep learning and image processing. LIANG Jiye, Ph.D., professor. His research interests include artificial intelligence, granular computing, and data mining.
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XU Qijin
YE Hailiang
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LIANG Jiye
Cite this article:   
XU Qijin,YE Hailiang,CAO Feilong等. Image Inpainting Based on Global-Local Prior and Texture Details[J]. Pattern Recognition and Artificial Intelligence, 2025, 38(2): 101-115.
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http://manu46.magtech.com.cn/Jweb_prai/EN/10.16451/j.cnki.issn1003-6059.202502001      OR     http://manu46.magtech.com.cn/Jweb_prai/EN/Y2025/V38/I2/101
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