Wavelet-space Parallel Imaging for Fast MRI
Yu Li 1
Radiology, Cincinnati Children's Hospital
Medical Center, Cincinnati, OH, United States
We developed a novel parallel imaging technique that
performs image reconstruction in wavelet space. Since
wavelet space is undersampled, aliasing exists in
reconstructed images. However, if this aliasing is well
controlled, aliasing-free images can be generated from
inverse wavelet transform. Compared with conventional
image- or k-space reconstruction, wavelet-space
reconstruction provides better performance for aliasing
suppression and noise control in imaging acceleration.
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