An Eigenfunction Method for Reconstruction of Large-Scale and High-Contrast Objects

  title={An Eigenfunction Method for Reconstruction of Large-Scale and High-Contrast Objects},
  author={R W Waag and Feng Lin and T. K. Varslot and J. P. Astheimer},
  journal={IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control},
A multiple-frequency inverse scattering method that uses eigenfunctions of a scattering operator is extended to image large-scale and high-contrast objects. The extension uses an estimate of the scattering object to form the difference between the scattering by the object and the scattering by the estimate of the object. The scattering potential defined by this difference is expanded in a basis of products of acoustic fields. These fields are defined by eigenfunctions of the scattering operator… CONTINUE READING

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