Magnetic resonance imaging using direct, continuous real-time imaging for motion compensation
AssigneeSunnybrook and Women's Health Sciences Centre
InventorsMarshall S. Sussman, Graham A. Wright, Charles H. Cunningham
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Abstract
Magnetic resonance imaging (MRI) uses direct, continuous, unaliased, real-time imaging for motion compensation. Unaliased, real-time two dimensional (2D) images are acquired continuously of the anatomy of interest. The images are compared to at least one template to using a correlation coefficient technique to select images corresponding to minimal motion and distortion. A spatial grid of templates can be used to cover an anatomy of interest. Multiple temporal templates can be used to create a time series of magnetic resonance (MR) images. The selected images are used to provide a high-resolution image, preferably a three dimensional (3D) image.
Claims11
A method of magnetic resonance imaging (MRI) with motion compensation, the steps comprising:
- selecting at least one template from real-time 2D magnetic resonance (MR) images of an anatomy of interest;
- subjecting the anatomy of interest to MRI to acquire a series of unaliased real-time 2D images;
- selecting multiple images from among the series of unaliased 2D images that minimize motion-induced artifacts by comparing images from the series of unaliased 2D images to the at least one template;
- forming an output image of the anatomy of interest using the selected multiple images such that motion-induced artifacts are minimized.
Dependencies are inferred from the claim text.