Stationary wavelet transform for under-sampled MRI reconstruction.
@article{Kayvanrad2014StationaryWT, title={Stationary wavelet transform for under-sampled MRI reconstruction.}, author={Mohammad H. Kayvanrad and A. Jonathan McLeod and John Stuart Haberl Baxter and Charles A. McKenzie and Terry M. Peters}, journal={Magnetic resonance imaging}, year={2014}, volume={32 10}, pages={ 1353-64 } }
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References
SHOWING 1-10 OF 31 REFERENCES
Compressed Sensing-Based MRI Reconstruction Using Complex Double-Density Dual-Tree DWT
- Computer ScienceInt. J. Biomed. Imaging
- 2013
This paper proposes an improved compressed sensing-based reconstruction method using the complex double-density dual-tree discrete wavelet transform that can reduce aliasing artifacts and achieve higher peak signal-to-noise ratio (PSNR) and structural similarity (SSIM) index.
Iterative thresholding compressed sensing MRI based on contourlet transform
- Computer Science
- 2010
Simulation results demonstrate that contourlet-based CS-MRI can better reconstruct the curves and edges than traditional wavelet- based methods, especially at low k-space sampling rate.
A Fast Wavelet-Based Reconstruction Method for Magnetic Resonance Imaging
- Computer ScienceIEEE Transactions on Medical Imaging
- 2011
This work exploits the fact that wavelets can represent magnetic resonance images well, with relatively few coefficients, to improve magnetic resonance imaging (MRI) reconstructions from undersampled data with arbitrary k-space trajectories and proposes a variant that combines recent improvements in convex optimization and that can be tuned to a given specific k- space trajectory.
Sparse MRI: The application of compressed sensing for rapid MR imaging
- Computer ScienceMagnetic resonance in medicine
- 2007
Practical incoherent undersampling schemes are developed and analyzed by means of their aliasing interference and demonstrate improved spatial resolution and accelerated acquisition for multislice fast spinβecho brain imaging and 3D contrast enhanced angiography.
An EM algorithm for wavelet-based image restoration
- Computer ScienceIEEE Trans. Image Process.
- 2003
An expectation-maximization (EM) algorithm for image restoration (deconvolution) based on a penalized likelihood formulated in the wavelet domain is introduced, and it is shown that under mild conditions the algorithm converges to a globally optimal restoration.
SPIRiT: Iterative selfβconsistent parallel imaging reconstruction from arbitrary kβspace
- Physics, MathematicsMagnetic resonance in medicine
- 2010
A new approach to autocalibrating, coilβbyβcoil parallel imaging reconstruction, is presented, a generalized reconstruction framework based on selfβconsistency that can accurately reconstruct images from arbitrary kβspace sampling patterns.
POCSENSE: POCSβbased reconstruction for sensitivity encoded magnetic resonance imaging
- Computer ScienceMagnetic resonance in medicine
- 2004
POCSENSE is conceptually simple and numerically efficient and can reconstruct images from data sampled on arbitrary kβspace trajectories and was demonstrated using a wide range of simulated and real MRI data.
SENSE: Sensitivity encoding for fast MRI
- PhysicsMagnetic resonance in medicine
- 1999
The problem of image reconstruction from sensitivity encoded data is formulated in a general fashion and solved for arbitrary coil configurations and kβspace sampling patterns and special attention is given to the currently most practical case, namely, sampling a common Cartesian grid with reduced density.
Practical parallel imaging compressed sensing MRI: Summary of two years of experience in accelerating body MRI of pediatric patients
- Computer Science2011 IEEE International Symposium on Biomedical Imaging: From Nano to Macro
- 2011
Clinical results showing higher quality reconstruction and better diagnostic confidence than parallel imaging alone at accelerations on the order of number of coils and an on-line parallelized implementation of β1-SPIRiT on multi-core CPU and General Purpose Graphics Processors that achieves sub-minute 3D reconstructions with 8-channels.
Clinical Image Quality Assessment of Accelerated Magnetic Resonance Neuroimaging Using Compressed Sensing
- MedicineInvestigative radiology
- 2013
The findings indicate that compressed sensing may provide 2-fold acceleration of certain clinical magnetic resonance neuroimaging sequences with coarser spatial resolution and/or at a higher acceleration factor.