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Spread Spectrum

A universal and efficient compressed sensing strategy based on the use of a spread spectrum technique...


Application to Magnetic Resonance Imaging (MRI)

The figure below shows the MRI image obtained without (left) and with (right) the Spread Spectrum Technology.




The figure below shows the Phase transition of the ℓ1-minimization problem for sparse signals in the Fourier basis and random selection of Fourier (first and third panels) or Hadamard (second and fourth panels) measurements without and with random modulation:

spreadspectrumIn Puy et al. submitted to SPARS'11

More details



Rémi Gribonval, coordinator
Equipe-Projet METISS
INRIA Rennes - Bretagne Atlantique
Campus de Beaulieu
F-35042 Rennes cedex, France.

Phone: (+33/0) 299 842 506
Fax: (+33/0) 299 847 171
E-MAIL: contact