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.
Zhao et al., ``DOGROT: Mitigating Severe Ill-Conditioning in Sparse Signal Recovery via Random Gaussian Rotation,'' ICML 2026 submission 11977, under review, 2026
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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.