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iTWIST'14 - international Traveling Workshop on Interactions between Sparse models and Technology

24 Juin 2014

Catégorie : Conférence internationale

iTWIST'14, Namur, Belgique, Aug. 27-29

international Traveling Workshop on Interactions between Sparse models and Technology


Aims of the workshop:

As noted by Kolmogorov in the sixties, "complex" objects require a lot of information for their reconstruction while for "simple" objects, little information should be needed.By the advent of increased computing capabilities, along with recent theoretical and numerical breakthroughs in the fields of signal processing, computational harmonic analysis, inverse problem solving and convex optimization, "sparse" data representations have been widely studied for meeting this prophetic guideline.

Briefly, these representations aim at capturing, modeling and exploiting "just the information you need" in the ubiquitous data deluge characterizing any scientific or technological achievements. However, further developments and novel ideas are still required to meet new challenges, especially for efficiently dealing with complex data structures of "real life" applications and for interconnecting "sparsity" with other theoretical and applied fields.

The aim of the iTWIST workshop is to foster collaboration between international scientific teams for developing new theories, applications and generalizations of the “sparsity paradigm”. This is why this event emphasizes dissemination of ideas through both specific oral/poster presentations and free discussions.

For this edition, iTWIST’14 will feature 9 invited talks, 10 oral presentations and 13 posters. The workshop welcomes 2-page paper submissions on any aspects of the following themes (see the CfP):

  • Sparsity-driven data sensing and processing (e.g., optics, computer vision, biomedical, astronomy)
  • Beyond linear and convex inverse problem
  • "Blind" inverse problems and dictionary learning
  • Information theory, geometry and randomness
  • Sparsity? What's next? 
    • Union of low dimensional spaces,
    • cosparsity, mixed/group norm, model based, low-complexity models, ...
  • Matrix/manifold sensing/processing (graph, low-rank approximation, ...)
  • Sparsity and computational neuroscience 
  • Complexity/accuracy tradeoffs in numerical methods/optimization
  • Sparse machine learning and inference

Confirmed invited speakers (50' talks, title/abstract of their talk here):

Registration is still open for the:

ITWIST'14: "international - Traveling Workshop on Interactions between  Sparse models and Technology"
August 27-29, 2014, Namur, Belgium

The registration page is here: <>

Remark: registration will be closed for August 1st, or if the total  number of 100 participants is reached before that date. Don't wait too long then if you wish to join us.

For your information, the iTWIST'14 workshop is honored by 9 invited speakers and 24 high quality contributions listed here:


The general program can also be accessed at <>

We are looking forward to welcoming you in Namur end of August.

The iTWIST14 committee <>

Prof. Laurent JACQUES
F.R.S.-FNRS Research Associate

Institute of Information and Communication Technologies,
Electronics and Applied Mathematics (ICTEAM/ELEN) - UCL
Batiment Stévin
Place du Levant 2, PO Box L5.04.04
1348 Louvain-la-Neuve, Belgium

Office: a.157
Tel: +32 10 47 81 24
Fax: +32 10 47 20 89