System and method for controlling noise in magnetic resonance imaging using a local low rank technique
AssigneeRegents of the University of Minnesota
InventorsSteen Moeller, Mehmet Akcakaya
Life of this patent
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Abstract
A system and method for controlling noise in magnetic resonance imaging (MRI) are provided. In one aspect, the method includes reconstructing a series of images of the target using the image data, with each image being defined using signal-to-noise (SNR) units, and selecting an image patch corresponding to the series of images. The method also includes forming a matrix by combining vectors generated using the image patch, and applying a local low rank denoising technique using the matrix and the series of images to generate at least one denoised image.
Claims19
A method for generating a denoised image from data acquired with a magnetic resonance imaging (MRI) system, the method including steps comprising:
- (a) controlling an MM system to acquire magnetic resonance (MR) image data from a target;
- (b) reconstructing a series of MR images of the target from the MR image data using a computer system, wherein pixel values in each MR image in the series of MR images are defined using signal-to-noise ratio (SNR) units;
- (c) selecting with the computer system, an image patch corresponding to the series of MR images;
- (d) forming a matrix with the computer system by combining vectors generated using the image patch;
- and
- (e) applying a local low-rank denoising technique with the computer system using the matrix and the series of MR images to generate at least one denoised MR image.
Dependencies are inferred from the claim text.