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2018 | OriginalPaper | Buchkapitel

Diffusion MRI Spatial Super-Resolution Using Generative Adversarial Networks

verfasst von : Enes Albay, Ugur Demir, Gozde Unal

Erschienen in: PRedictive Intelligence in MEdicine

Verlag: Springer International Publishing

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Abstract

Spatial resolution is one of the main constraints in diffusion Magnetic Resonance Imaging (dMRI). Increasing resolution leads to a decrease in SNR of the diffusion images. Acquiring high resolution images without reducing SNRs requires larger magnetic fields and long scan times which are typically not applicable in the clinical settings. Currently feasible voxel size is around 1 mm\( ^{3} \) for a diffusion image. In this paper, we present a deep neural network based post-processing method to increase the spatial resolution in diffusion MRI. We utilize Generative Adversarial Networks (GANs) to obtain a higher resolution diffusion MR image in the spatial dimension from lower resolution diffusion images. The obtained real data results demonstrate a first time proof of concept that GANs can be useful in super-resolution problem of diffusion MRI for upscaling in the spatial dimension.

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Metadaten
Titel
Diffusion MRI Spatial Super-Resolution Using Generative Adversarial Networks
verfasst von
Enes Albay
Ugur Demir
Gozde Unal
Copyright-Jahr
2018
DOI
https://doi.org/10.1007/978-3-030-00320-3_19