Dynamic Parallel-Imaging Reconstruction with Image-Block Dictionaries

Keywords

abdominal accelerated acceleration acceptable accurate achieve acquisition adaptive addition aims aliased aliasing assembled assumption atoms audience bias biomedical block blocks bottom breath calibration campus cardiac channel clear close coil combination combined comes compensated compensation complex compressed computation computational computing conditions consecutive constraints correlated density diastolic dictionaries dictionary dimension dynamic either ejection entry evaluate even experiment exploit exploited extracted feature fidelity final fraction frame frames functions gating heart highly identical implicitly introduced involved iterative latter learning light load local location long maps mark matrix medical middle motion must needed noise novel object operations operator outside parallel partially pixels posed powerful processing produce projections proposed quality radial radiology rather real receiver reconstructed reconstruction reconstructions reduction regularization relying require required reserve resolution sample scanned scheme sense sensing sensitivity separable simple since slice solutions sparsity specifically spine step subject supported systolic target though training trajectory transactions transforms type unlike validity various vascular western wise yielding