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<p>The digital restoration of Dunhuang murals is of extremely high value for the research and dissemination of mural culture and art. However, a large number of murals have been damaged to varying degrees. In this paper, we propose a two-stage coarse-to-fine digital mural restoration framework to solve the large area of irregular shape damage on the mural. The first stage is used to achieve coarse-grained semantic reconstruction, and the second stage is used to achieve fine-grained feature reconstruction. To improve the repair quality, we also designed a new building block (STMA) that integrates the Swin transformer module (SwinT) and the multi-scale dilated convolution attention module (MSDA). Meanwhile, the proposed loss function is to further empower the proposed model to repair damaged murals. Extensive comparative experiments show that the proposed model can effectively restore the missing content of the mural and exceed the comparative methods in both quantitative and qualitative evaluation.</p>

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Mural inpainting via two-stage generative adversarial network

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年5月19日

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  • Qiongshuai Lyu,
  • Na Zhao,
  • Junke Song,
  • Yu Yang,
  • Yuehong Gong

摘要

The digital restoration of Dunhuang murals is of extremely high value for the research and dissemination of mural culture and art. However, a large number of murals have been damaged to varying degrees. In this paper, we propose a two-stage coarse-to-fine digital mural restoration framework to solve the large area of irregular shape damage on the mural. The first stage is used to achieve coarse-grained semantic reconstruction, and the second stage is used to achieve fine-grained feature reconstruction. To improve the repair quality, we also designed a new building block (STMA) that integrates the Swin transformer module (SwinT) and the multi-scale dilated convolution attention module (MSDA). Meanwhile, the proposed loss function is to further empower the proposed model to repair damaged murals. Extensive comparative experiments show that the proposed model can effectively restore the missing content of the mural and exceed the comparative methods in both quantitative and qualitative evaluation.