Patent ID: 9632161
Date: 2017-04-25
CPC Classifications: G01R

Claim:
1. A method for time-dependent intensity correction of diffusion-weighted magnetic resonance (MR) images, comprising: operating an MR data acquisition unit to acquire data representing a plurality of diffusion-weighted MR images, with a sequence of diffusion gradient fields having respectively different directions, each of said diffusion-weight MR images being comprised of image points; entering said plurality of diffusion-weighted MR images on an input into a processor and, in said processor for each image point of each diffusion-weighted MR image, estimating a diffusion tensor based on the MR images and based on a model of a time dependency of intensity; in said processor, determining an intensity correction based on said model of said time dependency; in said processor, applying the intensity correction to said MR images to obtain corrected MR images; and making the corrected MR images available at an output of said processor in electronic form, as respective data files.