Biomedical subjects

C M van Uijen

Publications and source records attributed to C M van Uijen.

3 recordsLinked to original sources

PubMed1985

Fast Fourier imaging.

A new NMR imaging technique, aiming at a reduction of the data acquisition time, is described in detail. The method is applicable in all multidimensional imaging situations where at least one spatial coordinate is resolved. Discussed at some length are the point-spread function, the required bandwidth of the NMR spectrometer, and the sampling strategy used to diminish the loss in signal-to-noise ratio. Experiments reveal that a reduction of the data acquisition time by at least a factor of four is attainable in practice.

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PubMed1984

Driven-equilibrium radiofrequency pulses in NMR imaging.

Driven-equilibrium pulse techniques are applied to NMR imaging to extend the possibilities of manipulating image contrasts in pulse sequences with a high repetition rate. In many cases the data acquisition time can be much shorter than in more conventional pulse techniques. Both calculations and experiments reveal that the intensity of tissue with slowly relaxing nuclear magnetizations can significantly be enhanced, thus facilitating the detection of a number of pathologies.

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PubMed1984

Multiple-slice NMR imaging by three-dimensional Fourier zeugmatography.

Multiple-slice NMR images of the human head, obtained by three-dimensional (3-D) Fourier zeugmatography, are presented. Comparison is made with results from 2-D Fourier zeugmatography. The general conclusion is that this multiple-slice technique is an efficient and adequate method for obtaining images of a set of adjacent slices, as long as there are only moderate intensity variations between adjacent slices.

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