Computer Science ›› 2023, Vol. 50 ›› Issue (8): 133-141.doi: 10.11896/jsjkx.220600065

• Computer Graphics & Multimedia • Previous Articles     Next Articles

Remote Sensing Image Pan-sharpening Method Based on Generative Adversarial Network

YAN Yan1, SUI Yi1, SI Jianwei2   

  1. 1 College of Computer Science and Technology,Qingdao University,Qingdao,Shandong 266071,China
    2 Faculty of Information Science and Engineering,Ocean University of China,Qingdao,Shandong 266100,China
  • Received:2022-06-07 Revised:2022-10-11 Online:2023-08-15 Published:2023-08-02
  • About author:YAN Yan,born in 1996,master candidate.Her main research interests include deep learning and image proces-sing.
    SUI Yi,born in 1984,Ph.D,associate professor,master supervisor.Her main research interests include big data mo-deling and analysis,artifical intelligence and image processing.
  • Supported by:
    Young Scientists Fund of the National Natural Science Foundation of China(41706198).

Abstract: Remote sensing image pan-sharpening methods are generally based on Wald protocol,resulting in blurred texture details,colors and ambiguous boundaries of the reconstructed images.To solve the problem,a remote sensing image pan-sharpening method based on generative adversarial networks(GAN),PAN-GAN,is proposed in this paper.The multispectral image is employed as the reference image.The grayscale reference image is applied to simulate the panchromatic image and the blurred reference image is adpoted as input of the generator.The generator extracts the texture details of the grayscale reference image and spectral features of the blurred reference image for the fusion reconstruction.Meanwhile,the perceptual loss is introduced to optimize the reconstruction results with adversarial loss and pixel loss,so that the reconstructed images have spectral and texture detail features closer to the reference image.Experiments are carried out on the datasets of three remote sensing satellites including QuickBird,GaoFen-2 and WorldView-2.The results show that the reconstructed images obtained by PAN-GAN have more realistic spectral and spatial texture details compared with common methods.The usage of grayscale reference images can significantly improve the performance of the original method,and the average grayscale improvement is the most obvious.The perceptual loss can further optimize the reconstruction results and verify the effectiveness of the proposed method.

Key words: Remote sensing images, Pan-sharpening, Generative adversarial networks, Perceptual features

CLC Number: 

  • TP391
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