Systems and methods for compressed sensing for multi-shell magnetic resonance imaging

US9208587B2 · kind B2 · utility

Assignee

• General Electric Company · US

Inventors

• Christopher Judson Hardy · Niskayuna, US
• Luca Marinelli · Schenectady, US
• Marion Irene Menzel · Munich, DE
• Ek Tsoon Tan · Niskayuna, US
• Jonathan Immanuel Sperl · Freising, DE

Key dates

• Filing date: Apr 25, 2014
• Grant date: Dec 8, 2015
• Expiry date: Apr 25, 2034

Classification

• Technology area (CPC G): Physics
• CPC primary: G06T2207/20056
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A method of compressed sensing for multi-shell magnetic resonance imaging includes obtaining magnetic resonance imaging data, the data being sampled along multi-shell spherical coordinates, the spherical coordinates coincident with a plurality of spokes that converge at an origin, constructing a symmetric shell for each respective sampled multi-shell to create a combined set of data, performing a three-dimensional Fourier transform on the combined set of data to reconstruct an image, and de-noising the reconstructed image by iteratively applying a sparsifying transform on non-sampled data points of neighboring shells. The method can also include randomly under-sampling the imaging data to create missing data points. A system configured to implement the method and a non-transitory computer readable medium are also disclosed.