## Abstract A simple technique is proposed in which a phantom could be used to calibrate an image acquired during an magnetic resonance imaging scan. The method corrects for the effects of nonlinearities in the gradient fields, and in principle does so exactly. The mathematics behind the technique
✦ LIBER ✦
A solution to the dynamic range problem in MRI using a parallel image acquisition
✍ Scribed by Yosuke Otake; Katsumi Kose; Tomoyuki Haishi
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 371 KB
- Volume
- 29B
- Category
- Article
- ISSN
- 1552-5031
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✦ Synopsis
Abstract
A parallel image acquisition system has been developed to solve the dynamic range problem in MRI. The parallel receiver system was tested using 3D large matrix spin echo and gradient echo images. The dynamic range of the receiver system was extended to about 80 dB, which was sufficient for a large‐matrix (256 × 256 × 512) 3D gradient echo image acquisition at a voxel resolution of 60 μm^3^. Our method can be a simple and efficient technique for solving the dynamic range problem in MRI. © 2006 Wiley Periodicals, Inc. Concepts Magn Reson 29B: 161–167, 2006.
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