Sparce Representations for Signal Processing and Coding

Research output

Research output per year 2006 2008 2009 2010

• 18 Conference contribution
• 11 Article

Research output per year

Research output per year

Search results

• 2009

  Dictionary learning for sparse approximations with the majorization method

  Yaghoobi, M., Blumensath, T. & Davies, M. E., Jun 2009, In: IEEE Transactions on Signal Processing. 57, 6, p. 2178-2191 14 p.

  Research output: Contribution to journal › Article › peer-review

  File

  • Dictionary Learning 100%
  • Majorization Method 100%
  • Sparse Approximation 100%
  • Majorization 100%
  • Learning Problem 50%

• Sampling theorems for signals from the union of finite-dimensional linear subspaces

  Blumensath, T. & Davies, M. E., Apr 2009, In: IEEE Transactions on Information Theory. 55, 4, p. 1872-1882 11 p.

  Research output: Contribution to journal › Article › peer-review

  File

  • Sampling Theorem 100%
  • Linear Subspace 100%
  • Nyquist Frequency 100%
  • Orthonormal Basis 75%
  • One-to-One 50%

• Iterative hard thresholding for compressed sensing

  Blumensath, T. & Davies, M. E., 2009, In: Applied and Computational Harmonic Analysis. 27, 3, p. 265-274 10 p.

  Research output: Contribution to journal › Article › peer-review

  File

  • Compressed Sensing 100%
  • Hard Thresholding 100%
  • Nyquist Frequency 50%
  • Signal-to-Noise Ratio 33%
  • Memory Requirement 33%

• Parametric dictionary design for sparse coding

  Yaghoobi, M., Daudet, L. & Davies, M. E., 2009, In: IEEE Transactions on Signal Processing. 57, 12, p. 4800-4810 11 p.

  Research output: Contribution to journal › Article › peer-review

  File

• Restricted Isometry Constants Where Lp Sparse Recovery Can Fail for 0<p<=1

  Davies, M. E. & Gribonval, R., 2009, In: IEEE Transactions on Information Theory. 55, 5, p. 2203-2214 12 p.

  Research output: Contribution to journal › Article › peer-review

  File

• Stagewise weak gradient pursuits

  Blumensath, T. & Davies, M. E., 2009, In: IEEE Transactions on Signal Processing. 57, 11, p. 4333-4346 14 p.

  Research output: Contribution to journal › Article › peer-review

  File
• 2008

  Gradient Pursuits

  Blumensath, T. & Davies, M., 2008, In: IEEE Transactions on Signal Processing. 56, 6, p. 2370-2382 13 p.

  Research output: Contribution to journal › Article › peer-review

  File

• Iterative Thresholding for Sparse Approximations

  Blumensath, T. & Davies, M., 2008, In: Journal of Fourier Analysis and Applications. 14, 5, p. 629-654 26 p.

  Research output: Contribution to journal › Article › peer-review

  File
• 2007

  Monte Carlo Methods for Adaptive Sparse Approximations of Time-Series

  Blumensath, T. & Davies, M., 2007, In: IEEE Transactions on Signal Processing. 55, 9, p. 4474-4481 8 p.

  Research output: Contribution to journal › Article › peer-review

• 2006

  Sparse Audio Representations using the MCLT

  Davies, M. & Daudet, L., 2006, In: Signal Processing. 86, 3

  Research output: Contribution to journal › Article › peer-review

• Sparse Representations of Polyphonic Music

  Plumbley, M. D., Abdallah, S. A., Blumensath, T. & Davies, M., 2006, In: Signal Processing. 86, 3, p. 417-431 15 p.

  Research output: Contribution to journal › Article › peer-review