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Related Experiment Video

Updated: Jul 3, 2026

Highly Resolved Intravital Striped-illumination Microscopy of Germinal Centers

Highly Resolved Intravital Striped-illumination Microscopy of Germinal Centers

Published on: April 9, 2014

Zigzag sampling for improved parallel imaging.

Felix A Breuer¹, Hisamoto Moriguchi, Nicole Seiberlich

¹Research Center Magnetic-Resonance-Bavaria, Würzburg, Germany. breuer@mr-bavaria.de

Magnetic Resonance in Medicine

|July 31, 2008

Summary

This summary is machine-generated.

This study introduces a novel parallel MRI acquisition strategy using oscillating phase-encoding gradients. This method enhances image reconstruction by leveraging sensitivity variations in the readout direction for improved parallel imaging performance.

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Area of Science:

Magnetic Resonance Imaging (MRI)
Medical Imaging Physics

Background:

Conventional parallel MRI relies on receiver coil sensitivity variations in the phase-encoding direction.
This limits parallel imaging reconstruction performance based on coil geometry.

Purpose of the Study:

To develop a new MRI acquisition strategy that utilizes sensitivity variations in the readout direction.
To improve parallel imaging reconstruction by exploiting these additional variations.

Main Methods:

Implementation of rapidly oscillating phase-encoding gradients during readout.
Utilizing zigzag-shaped gradient trajectories for data acquisition.
Demonstration of the method in vivo for 2D and 3D imaging.

Main Results:

The proposed zigzag sampling modifies aliasing patterns.
Successfully leverages sensitivity variations in the readout direction.
Demonstrates improved parallel imaging reconstruction performance compared to conventional methods.

Conclusions:

The novel acquisition strategy enhances parallel MRI by utilizing readout direction sensitivity.
Zigzag gradient trajectories offer a viable approach for improved parallel imaging.
This technique offers a direct route to better reconstruction performance in MRI.