### Journal article

2005

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Buffalo Neuroimaging Analysis Center

I. Graesslin, U. Katscher, F. Schweser, M. Niemann, P. Börnert

2005

2005

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###
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**APA**
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Graesslin, I., Katscher, U., Schweser, F., Niemann, M., & Börnert, P. (2005). Iterative solution of Transmit SENSE using a conjugate gradient method.

**Chicago/Turabian**
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Graesslin, I., U. Katscher, F. Schweser, M. Niemann, and P. Börnert. “Iterative Solution of Transmit SENSE Using a Conjugate Gradient Method” (2005).

**MLA**
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Graesslin, I., et al. *Iterative Solution of Transmit SENSE Using a Conjugate Gradient Method*. 2005.

**BibTeX**
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```
@article{i2005a,
title = {Iterative solution of Transmit SENSE using a conjugate gradient method},
year = {2005},
author = {Graesslin, I. and Katscher, U. and Schweser, F. and Niemann, M. and Börnert, P.}
}
```

I. Graesslin, U. Katscher, F. Schweser, M. Niemann, P. Börnert Philips Research Laboratories, Hamburg, Germany Introduction Due to the analogy between the design of spatially selective RF pulses and MR imaging [1], it is possible to adapt the methodology of parallel imaging [2, 3] for parallel transmission [4-6]. Thus, the RF pulse calculation can be performed via direct matrix inversion [4-6], which in parallel imaging has been used by, e.g., [2, 3]. On the other hand, the RF pulse calculation of parallel transmission might be performed via iterative methods [7, 8], which in parallel imaging has been used by, e.g., [9]. This paper discusses the iterative approach in some detail and compares the two approaches with respect to their running times for different scenarios.