Journal of Applied Sciences ›› 2015, Vol. 33 ›› Issue (3): 309-316.doi: 10.3969/j.issn.0255-8297.2015.03.009

• Signal and Information Processing • Previous Articles     Next Articles

Super Resolution Reconstruction of ZY-3 Satellite Images

JIA Yong-hong1,2, LÜ Zhen1, ZHOU Ming-ting1   

  1. 1. School of Remote Sensing and Information Engineering, Wuhan University,
    Wuhan 430079, China
    2. State Key Laboratory of Information Engineering in Surveying,Mapping and Remote Sensing, Wuhan University, Wuhan 430079, China
  • Received:2014-12-25 Revised:2015-02-06 Online:2015-05-30 Published:2015-02-06

Abstract:  Two refactoring approaches, one based on iterative back projection (IBP) and
the other based on sparse representation and dictionary learning, are discussed. Three
linear array images of the ZY-3 satellite are used to reconstruct super-resolution images.
The reconstruction results are evaluated according to four objective criteria, i.e., mean
brightness, PSNR, information entropy, and sharpness of images. The results obtained with
the two approaches show that the sparse representation and dictionary learning method is
better than the iterative back projection method.

Key words: super-resolution, feature matching, iterative back projection (IBP), dictionary learning, sparse representation

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