12 March 2018 Improving self super resolution in magnetic resonance images
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Abstract
Magnetic resonance (MR) images (MRI) are routinely acquired with high in-plane resolution and lower through-plane resolution. Improving the resolution of such data can be achieved through post-processing techniques knows as super-resolution (SR), with various frameworks in existence. Many of these approaches rely on external databases from which SR methods infer relationships between low and high resolution data. The concept of self super-resolution (SSR) has been previously reported, wherein there is no external training data with the method only relying on the acquired image. The approach involves extracting image patches from the acquired image constructing new images based on regression and combining the new images by Fourier Burst Accumulation. In this work, we present four improvements to our previously reported SSR approach. We demonstrate these improvements have a significant effect on improving image quality and the measured resolution.
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Sachin Goyal, Sachin Goyal, Can Zhao, Can Zhao, Amod Jog, Amod Jog, Jerry L. Prince, Jerry L. Prince, Aaron Carass, Aaron Carass, } "Improving self super resolution in magnetic resonance images", Proc. SPIE 10578, Medical Imaging 2018: Biomedical Applications in Molecular, Structural, and Functional Imaging, 1057814 (12 March 2018); doi: 10.1117/12.2295366; https://doi.org/10.1117/12.2295366
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