Image Super-Resolution with Fast Approximate Convolutional Sparse Coding

  • Christian Osendorfer
  • Hubert Soyer
  • Patrick van der Smagt
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8836)

Abstract

We present a computationally efficient architecture for image super-resolution that achieves state-of-the-art results on images with large spatial extend. Apart from utilizing Convolutional Neural Networks, our approach leverages recent advances in fast approximate inference for sparse coding. We empirically show that upsampling methods work much better on latent representations than in the original spatial domain. Our experiments indicate that the proposed architecture can serve as a basis for additional future improvements in image super-resolution.

Keywords

Image Processing Sparse Coding Convolutional Neural Networks 

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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Christian Osendorfer
    • 1
  • Hubert Soyer
    • 1
  • Patrick van der Smagt
    • 1
  1. 1.Fakultät für Informatik, Lehrstuhl für Robotik und EchtzeitsystemeTechnische Universität MünchenMünchenGermany

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