Patent · US Active

Method for accelerating magnetic resonance imaging using varying k-space sampling density and phase-constrained reconstruction

US9478051B2 · kind B2 · utility

4Cited by

3References

7Claims

0Family size

Assignee

Albert-Ludwigs-Universitaet Freiburg · DE

Inventors

Guobin Li · Glückstadt, DE
Maxim Zaitsev · Glückstadt, DE
Juergen Hennig · Glückstadt, DE

Key dates

Filing date	Mar 11, 2015
Grant date	Oct 25, 2016
Priority date	—
Expiry date	Mar 11, 2035

Classification

Technology area (CPC G)Physics
CPC primaryG06T2207/10088
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A method is presented for accelerating magnetic resonance imaging. In 3D MRI, the k-space in the phase encoding plane is divided into two symmetric parts and three asymmetric parts. Different sampling densities are applied in different parts. Images are reconstructed by iteratively minimizing a cost function when random sampling is applied in each part. A phase constraint term is added into the cost function to improve the quality of the reconstruction by exploiting the conjugate symmetry of k-space.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.