ACCELERATED MEDICAL IMAGE RECONSTRUCTION WITH IMPROVED ALIASING ARTIFACT REDUCTION

ACCELERATED MEDICAL IMAGE RECONSTRUCTION WITH IMPROVED ALIASING ARTIFACT REDUCTION

For reconstruction in medical imaging, such as reconstruction in MR imaging, scanning is accelerated by under-sampling. In iterative reconstruction, the input to the regularizer is altered provide for correlation of non-local aliasing artifacts. Duplicates of the input image are shifted by different...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Mostapha, Mahmoud, Nadar, Mariappan S, Arberet, Simon, Nickel, Marcel Dominik, Raithel, Esther, Körzdörfer, Gregor
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
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Zusammenfassung:For reconstruction in medical imaging, such as reconstruction in MR imaging, scanning is accelerated by under-sampling. In iterative reconstruction, the input to the regularizer is altered provide for correlation of non-local aliasing artifacts. Duplicates of the input image are shifted by different amounts based on the level of acceleration. The resulting shifted images are used to form the input to the regularizer. Providing an input based on shifts allows the regularization to suppress non-local as well as local aliasing artifacts.