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

• 2010

  Structured and incoherent parametric dictionary design

  Yaghoobi Vaighan, M., Daudet, L. & Davies, M. E., 2010, ICASSP 2010 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING. NEW YORK: Institute of Electrical and Electronics Engineers, p. 5486-5489 4 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Sparse Solution 100%
  • Filter Bank 100%
  • Sparse Coding 100%
  • Price 100%
  • Solution and Solubility 100%
• 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%

• Compressed sensing signal models - to infinity and beyond?

  Blumensath, T. & Davies, M. E., 1 May 2009, Proc. SAMPTA'09 (Sampling Theory and Applications).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• On Lp minimisation, instance optimality, and restricted isometry constants for sparse approximation

  Davies, M. E. & Gribonval, R., 1 May 2009, Proc. SAMPTA'09 (Sampling Theory and Applications).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• 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%

• A simple, efficient and near optimal algorithm for compressed sensing

  Blumensath, T. & Davies, M., 2009, ICASSP. p. 3357-3360 4 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• Compressible dictionary learning for fast sparse approximations

  Yaghoobi, M. & Davies, M. E., 2009, Statistical Signal Processing, 2009. SSP'09. IEEE/SP 15th Workshop on. p. 662-665 4 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• How to use the Iterative Hard Thresholding algorithm

  Blumensath, T. & Davies, M. E., 2009, Proc. of SPARS09.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• 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

  Yaghoobi Vaighan, M., Daudet, L. & Davies, M. E., 2009, Proc. of SPARS09.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• 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

• Parsimonious dictionary learning

  Yaghoobi Vaighan, M., Blumensath, T. & Davies, M. E., 2009, ICASSP. p. 2869-2872 4 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• 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

  Approximate lower bounds for rate-distortion in compressive sensing systems

  Mulgrew, B. & Davies, M., May 2008, Acoustics, Speech and Signal Processing, 2008. ICASSP 2008. IEEE International Conference. Institute of Electrical and Electronics Engineers, p. 3849 - 3852

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Sensing System 100%
  • Compressive Sensing 100%
  • Data Rate 50%
  • Gaussian White Noise 50%
  • Compressive Sampling 50%

• Synthetic Aperture Radar Raw Data Encoding Using Compressed Sensing

  Bhattacharya, S., Blumensath, T., Mulgrew, B. & Davies, M., May 2008, Radar Conference, 2008. RADAR '08. IEEE.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• Faster & greedier: algorithms for sparse reconstruction of large datasets

  Davies, M. E. & Blumensath, T., 2008, in Proceedings of the third International Symposium on Communications, Control and Signal Processing (ISCCSP.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• Gradient Pursuit for Non-Linear Sparse Signal Modelling.

  Blumensath, T. & Davies, M. E., 2008, European Conference on Signal Processing (EUSIPCO).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• 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

• Regularized Dictionary Learning for Sparse Approximation.

  Yaghoobi, M., Blumensath, T. & Davies, M. E., 2008, European Conference on Signal Processing (EUSIPCO).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• 2007

  Fast encoding of synthetic aperture radar raw data using compressed sensing

  Bhattacharya, S., Blumensath, T., Mulgrew, B. & Davies, M., Aug 2007, Statistical Signal Processing, 2007. SSP'07. IEEE/SP 14th Workshop on. p. 448-452 5 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• Compressed Sensing and Source Separation

  Blumensath, T. & Davies, M., 2007, ICA'07 Proceedings of the 7th international conference on Independent component analysis and signal separation. p. 341-348 8 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Source Separation 100%
  • Nyquist Limit 25%
  • Blind Signal Separation 25%

• In Greedy Pursuit of New Directions: Orthogonal Matching Pursuit by Directional Optimization.

  Blumensath, T. & Davies, M. E., 2007, EUSIPCO.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• Iterative Hard Thresholding and L0 Regularisation.

  Blumensath, T., Yaghoobi Vaighan, M. & Davies, M. E., 2007, ICASSP.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• 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

• Quantized Sparse Approximation with Iterative Thresholding for Audio Coding

  Yaghoobi Vaighan, M., Blumensath, T. & Davies, M., 2007, ICASSP (1). p. 257-260 4 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• 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