Diffusion spectrum imaging systems and methods

US9720063B2 · kind B2 · utility

Assignee

• General Electric Company · US

Inventors

• Jonathan Immanuel Sperl · Freising, DE
• Christopher Judson Hardy · Niskayuna, US
• Luca Marinelli · Schenectady, US
• Ek Tsoon Tan · Niskayuna, US
• Kevin F. King · New Berlin, US
• Marion Irene Menzel · Munich, DE

Key dates

• Filing date: Dec 18, 2012
• Grant date: Aug 1, 2017
• Expiry date: Jun 1, 2036

Classification

• Technology area (CPC G): Physics
• CPC primary: G01R33/56341
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

Systems and methods for generating a magnetic resonance (MR) image of a tissue are provided. A method includes acquiring MR raw data. The MR raw data corresponds to MR signals obtained at undersampled q-space locations for a plurality of q-space locations that is less than an entirety of the q-space locations and the MR signals at the q-space locations represent the three dimensional displacement distribution of the spins in the imaging voxel. The method also includes performing a joint image reconstruction technique on the MR raw data to exploit structural correlations in the MR signals to obtain a series of accelerated MR images and performing, for each image pixel in each accelerated MR image of the series of accelerated MR images, a compressed sensing reconstruction technique to exploit q-space signal sparsity to identify a plurality of diffusion maps.