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Proton magnetic resonance spectroscopic imaging (1H-MRSI) provides noninvasive information regarding metabolic activity within the tissues. One of the main problems of MRSI is low spatial resolution due to clinical scan time limitations. Advanced post-processsing algorithms, like convolutional neural networks (CNN) might help with generation of super resolution MR spectroscopic images. In this study, the application of super resolution convolutional neural networks (SRCNN) for increasing the MRSI spatial resolution is presented. FLAIR, T1 weighted and T2 weighted MR images were used in training the SRCNN scheme. The spatial resolution of MRSI images were increased by using the model trained with the anatomical MR images. The results of the proposed technique were compared with bicubic resampling in terms of peak signal to noise ratio, structure similarity index, root mean square error, relative polar edge coherence, and visual information delity pixel. Our results indicated that SRCNN would contribute to reconstructing higher resolution MRSI.
|Title of host publication||Medical Image Understanding and Analysis|
|Subtitle of host publication||21st Annual Conference, MIUA 2017, Edinburgh, UK, July 11–13, 2017, Proceedings.|
|Publication status||E-pub ahead of print - 22 Jun 2017|
|Name||Communications in Computer and Information Science|
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- 1 Finished
Valdes Hernandez, M. & Ozturk-Isik, E.
15/03/16 → 14/03/17