Improved Compressed Sensing Using Parallel Imaging: TGRAPPA-PRISM for Cardiac Cine MRI

Keywords

acceleration acquisition actual additional adjacent alone amount applied arrows artifacts assess auto axis background better biomedical blue blurring boxes calibration cardiac channel chosen cine coil coils combination complete component compressed compromise correlation datasets decimated decomposed decomposition decreased degradation diastole distribution dynamic eddy encoding exploits extract feeding fidelity fold formulated frame frames full fully function gray great greatly heart helpful horizontal implementation improve improved improves incoherent inserting intensity investigated kernels limitations local located long matrix merged minimization missing model motion noise norm note novel nuclear orientations outer paired pairing parallel partial pattern patterns physics pixels prior prism problem problems promote proposed prospective proves quality radiological randomly rank rather reconstructed reconstruction reconstructs reduce reduces reducing remaining remains represents require resolution retrospectively routinely sampled sampling sensing sets sharpness short singular slice slices sliding sorted space sparsity spatial speed stage starting stationary step structure superior surface systole temporal term transform vector vertical wavelet whereas window