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The aim is to enhance image reconstruction for echo planar imaging using nonequidistant k-space sampling techniques.

Image reconstruction for echo planar imaging with nonequidistant k‐space sampling

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The aim is to enhance image reconstruction for echo planar imaging using nonequidistant k-space sampling techniques.
Utilized a sinusoidal readout gradient for k-space sampling ensuring non-equidistant data acquisition.
Converted the non-equidistant data to a Cartesian grid using either interpolation or a generalized transformation.
Employing filtering methods to minimize typical ghosting artifacts in echo planar imaging.
Computer simulations demonstrated effective minimization of ghosting artifacts with the new methods.
Experimental images showed improved quality with the sinusoidal gradient technique over conventional methods.

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Randomized trial evaluates image reconstruction techniques in echo planar imaging, indicating improved image quality.

Bruder et al. (1992) studied this question.

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