PAQ dual-space projections reshape the sensing dictionary to bound mutual coherence with an exponentially decaying tail, yielding PSNR gains when plugged into ISTA for 20% Cartesian MRI sampling.
Abolghasemi et al., ``On optimization of the measurement matrix for compressive sensing,'' Unknown Journal, 2010
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Coherence-Minimized Sensing Matrix Design for MRI Reconstruction via Dual-Space Projection Optimization
PAQ dual-space projections reshape the sensing dictionary to bound mutual coherence with an exponentially decaying tail, yielding PSNR gains when plugged into ISTA for 20% Cartesian MRI sampling.