104 search results - page 4 / 21 » An Overview Of Inverse Problem Regularization Using Sparsity |
JSCIC
2010
13 years 2 months ago
2010
This paper considers highly ill-posed surface recovery inverse problems, where the sought surface in 2D or 3D is piecewise constant with several possible level values. These level...
SIAMSC
2008
13 years 7 months ago
2008
Abstract. We present a multigrid algorithm for the solution of distributed parameter inverse problems constrained by variable-coefficient linear parabolic partial differential equa...
TIM
2010
13 years 2 months ago
2010
Electrical capacitance tomography (ECT) attempts to image the permittivity distribution of an object by measuring the electrical capacitance between sets of electrodes placed aroun...
ACL
2011
12 years 11 months ago
2011
We present a method to discover robust and interpretable sociolinguistic associations from raw geotagged text data. Using aggregate demographic statistics about the authors’ geo...
ICIP
2010
IEEE
13 years 5 months ago
2010
IEEE
This paper describes an optimization framework for reconstructing nonnegative image intensities from linear projections contaminated with Poisson noise. Such Poisson inverse probl...