Discriminative Transfer Learning for General Image Restoration

Lei Xiao*, Felix Heide, Wolfgang Heidrich, Bernhard Scholkopf, Michael Hirsch

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


Recently, several discriminative learning approaches have been proposed for effective image restoration, achieving convincing tradeoff between image quality and computational efficiency. However, these methods require separate training for each restoration task (e.g., denoising, deblurring, and demosaicing) and problem condition (e.g., noise level of input images). This makes it time-consuming and difficult to encompass all tasks and conditions during training. In this paper, we propose a discriminative transfer learning method that incorporates formal proximal optimization and discriminative learning for general image restoration. The method requires a single-pass discriminative training and allows for reuse across various problems and conditions while achieving an efficiency comparable to previous discriminative approaches. Furthermore, after being trained, our model can be easily transferred to new likelihood terms to solve untrained tasks, or be combined with existing priors to further improve image restoration quality.

Original languageEnglish (US)
Pages (from-to)4091-4104
Number of pages14
JournalIEEE Transactions on Image Processing
Issue number8
StatePublished - Aug 2018

Bibliographical note

Publisher Copyright:
© 1992-2012 IEEE.


  • Image restoration
  • discriminative learning
  • proximal optimization

ASJC Scopus subject areas

  • Software
  • Computer Graphics and Computer-Aided Design


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