Gradient Field Deviation (GFD) Correction Using a Hybrid-Norm Approach With Wavelet Sub-Band Dependent Regularization: Implementation for Radial MRI at 9.4 T.
Shanshan ShanMingyan LiFangfang TangHuan MaFeng LiuStuart CrozierPublished in: IEEE Trans. Biomed. Eng. (2019)
Keyphrases
- subband
- wavelet coefficients
- wavelet transform
- gradient field
- wavelet decomposition
- wavelet domain
- multiresolution
- filter bank
- high frequency
- discrete wavelet transform
- lifting scheme
- image compression
- vector field
- feature vectors
- multiscale
- frequency domain
- medical images
- surface reconstruction
- magnetic resonance imaging
- generalized gaussian density
- wavelet packet
- sar images
- gray scale
- bit rate
- magnetic resonance images
- mr images
- kernel function
- denoising
- shift invariant
- computational complexity
- similarity measure
- computer vision