Leland Stanford Junior University

General Electric Company

Ge Precision Healthcare LLC

Valentina Taviani

Brian A Hargreaves

Shreyas S Vasanawala

John Mark Pauly

Dawei Gui

Joseph Yitan Cheng

Tao Zhang

Ajeetkumar Gaddipati

Bruce L Daniel

Suchandrima Banerjee

Ali Ersoz

Feiyu Chen

Hans Weber

Zachary W Slavens

Daehyun Yoon

Systems and methods for accelerated multi-contrast PROPELLER are disclosed herein. K-space is sampled in a rotating fashion using a plurality of radially directed blades around a center of k-space. A first subset of blades is acquired for a first contrast and a second subset of blades is acquired for a second contrasts. The first subset of blades is combined with high frequency components of the second subset of blades to produce an image of the first contrast. And the second subset of blades are combined with high frequency components of the first subset of blades to produce an image of the second contrast.

Systems and methods for accelerated multi-contrast propeller

A method for performing wave-encoded magnetic resonance imaging of an object is provided. The method includes applying one or more wave-encoded magnetic gradients to the object, and acquiring MR signals from the object. The method further includes calibrating a wave point-spread function, and reconstructing an image from the MR signals based at least in part on the calibrated wave point-spread function. Calibration of the wave point-spread function is based at least in part on one or more intermediate images generated from the MR signals.

System and method for performing wave-encoded magnetic resonance imaging of an object

A method for providing at least one measurement by a magnetic resonance imaging (MRI) system of a tissue property or underlying tissue property in a region sufficiently close to a metal object, so that the metal object induces artifacts is provided. At least one magnetic resonance imaging signal from the region is acquired through the MRI system. The acquired at least one MRI signal is processed to correct for artifacts induced by the metal object. At least one tissue property or underlying tissue property measurement is extracted from the processed at least one MRI signal.

Quantitative MRI measurements near metal objects

A method for magnetic resonance imaging is provided that includes using a magnetic resonance imaging system to excite a field of view (FOV) for a target being imaged, using an excitation plan to limit the excited FOV to a relatively narrow band of magnetization, exciting multiple bands of magnetization simultaneously, applying phase encoding along a shortest FOV dimension, acquiring a signal from said simultaneously excited bands of magnetization, and reconstructing and outputting a target image from the acquired signal.

High resolution magnetic resonance imaging with reduced distortion based on reduced-field-of-view and generalized parallel imaging

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Menlo Park, CA, United States of America

Valentina Taviani