METHODS AND APPARATUS FOR MRI RECONSTRUCTION AND DATA ACQUISITION

METHODS AND APPARATUS FOR MRI RECONSTRUCTION AND DATA ACQUISITION

Methods and apparatus for MRI reconstruction and data acquisition are provided. The method for MRI reconstruction includes: obtaining MRI images and k-space training data and dividing into anatomical sections; training reconstruction models to predict MRI images from k-space data for individual anat...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Li, Hangxuan, Zhang, Zhizun, Zhu, Ruixing
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
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Beschreibung
Zusammenfassung:Methods and apparatus for MRI reconstruction and data acquisition are provided. The method for MRI reconstruction includes: obtaining MRI images and k-space training data and dividing into anatomical sections; training reconstruction models to predict MRI images from k-space data for individual anatomical sections; while scanning an object, identifying the anatomical sections by scout scans or navigator signals; selecting suitable reconstruction models; reconstructing anatomical sections using the selected models, and merging the images from anatomical sections. Reconstructed images obtained by the above methods and apparatus have better image quality such as lesser noise and artifacts, and less MRI data is needed for the same image quality.