Patent ID: 6469506
Filing Date: 2002-10-22
Classification: G01R

Abstract:
An autocorrection method for correcting an MR image acquired with a plurality of rf coils positioned at different locations with respect to a subject to be imaged, the steps comprising:a) acquiring a series of views with each of the rf coils to form a corresponding plurality of image data sets; b) reconstructing an image from an image data set acquired with one of said plurality of rf coils; c) calculating a gradient image from the reconstructed image; d) evaluating the quality of the reconstructed image by calculating a cost function based on the gradient image; e) iteratively minimizing the cost function by making corrections to views in the image data set and repeating steps b), c), d) and e) f) correcting each of the image data sets acquired with the other of said plurality of rf coils using the corrections made to the one image data set; and g) combining the corrected image data sets to produce a single corrected image.