Automated spectral analysis II: application of wavelet shrinkage for characterization of non-parameterized signals.

Journal Article (Journal Article)

An iterative method for differentiating between known resonances and uncharacterized baseline contributions in MR spectra is described. The method alternates parametric modeling, using a priori knowledge of spectral parameters, with non-parametric characterization of remaining signal components, using wavelet shrinkage and denoising. Rapid convergence of the iterative method is demonstrated, and examples are shown for analysis of simulated data and an in vivo 1H spectrum from the brain. Results show good separation between metabolite signals and strong baseline contributions.

Full Text

Duke Authors

Cited Authors

  • Young, K; Soher, BJ; Maudsley, AA

Published Date

  • December 1998

Published In

Volume / Issue

  • 40 / 6

Start / End Page

  • 816 - 821

PubMed ID

  • 9840825

International Standard Serial Number (ISSN)

  • 0740-3194

Digital Object Identifier (DOI)

  • 10.1002/mrm.1910400606


  • eng

Conference Location

  • United States