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ICIP
2006
IEEE
16 years 8 months ago
Sparse Image Reconstruction using Sparse Priors
Sparse image reconstruction is of interest in the fields of radioastronomy and molecular imaging. The observation is assumed to be a linear transformation of the image, and corrup...
Michael Ting, Raviv Raich, Alfred O. Hero
ICIP
2005
IEEE
16 years 8 months ago
Multidimensional phase unwrapping for consistent APF estimation
The instantaneous amplitude, phase, and frequency (APF) characterize a nonstationary signal on a fundamental level. In this paper, we seek to obtain a consistent multidimensional ...
Roy A. Sivley, Joseph P. Havlicek
ICIP
2005
IEEE
16 years 8 months ago
Fine spatial scalability in wavelet based image coding
Wavelet transform based image coding algorithms have the two inherent scalable features of SNR scalability and spatial (or resolution) scalability. However, fine scalability is sup...
Donghoon Yu, Jong Beom Ra
ICIP
2005
IEEE
16 years 8 months ago
Performance evaluation of parametric bias field correction
Magnetic Resonance (MR) images often exhibit grayscale nonuniformities, caused by radio frequency (RF) coil design or acquisition sequences. Many algorithms to remove these nonuni...
Vitali Zagorodnov, Mads Fogtmann Hansen
ICIP
2005
IEEE
16 years 8 months ago
Nonparametric clustering using quantum mechanics
This paper introduces a new nonparametric estimation approach that can be used for data that is not necessarily Gaussian distributed. The proposed approach employs the Shr?odinger...
Nikolaos Nasios, Adrian G. Bors
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