Feasibility study of super-resolution deep learning-based reconstruction using k-space data in brain diffusion-weighted images.
Purpose: The purpose of this study is to evaluate the influence of super-resolution deep learning-based reconstruction (SR-DLR), which utilizes k-space data, on the quality of images and the quantitation of the apparent diffusion coefficient (ADC) for diffusion-weighted images (DWI) in brain magneti...
| Publicado en: | Neuroradiology Vol. 65; no. 11; pp. 1619 - 1630 |
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| Autores principales: | , , , , , , , , , , , |
| Formato: | diagnostic images equations & formulas research tables/charts Journal Article |
| Publicado: |
Springer Nature
Nov2023
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| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=172916830&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 172916830 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 00283940 NYZ jtl: Neuroradiology issn: 00283940 maglogo: N pubinfo: dt: Nov2023 vid: 65 iid: 11 pid: 237 pub: Springer Nature place: New York, New York artinfo: ui: 172916830 171580609 172916830 172916830 10.1007/s00234-023-03212-y 172916830 ppf: 1619 ppct: 11 formats: fmt: – @attributes: type: T – @attributes: type: P tig: atl: Feasibility study of super-resolution deep learning-based reconstruction using k-space data in brain diffusion-weighted images. aug: au: Matsuo, Kensei Nakaura, Takeshi Morita, Kosuke Uetani, Hiroyuki Nagayama, Yasunori Kidoh, Masafumi Hokamura, Masamichi Yamashita, Yuichi Shinoda, Kensuke Ueda, Mitsuharu Mukasa, Akitake Hirai, Toshinori affil: https://ror.org/02vgs9327 Department of Central Radiology, Kumamoto University Hospital, Honjo 1-1-1, 860-8556, Kumamoto, Japan sug: subj: Deep Learning Brain Radiography Magnetic Resonance Imaging Methods Radiographic Image Enhancement Human Retrospective Design Brain Anatomy and Histology Descriptive Statistics Wilcoxon Signed Rank Test Interrater Reliability Pilot Studies Neural Networks (Computer) ab: Purpose: The purpose of this study is to evaluate the influence of super-resolution deep learning-based reconstruction (SR-DLR), which utilizes k-space data, on the quality of images and the quantitation of the apparent diffusion coefficient (ADC) for diffusion-weighted images (DWI) in brain magnetic resonance imaging (MRI). Methods: A retrospective analysis was performed on 34 patients who had undergone DWI using a 3 T MRI system with SR-DLR reconstruction based on k-space data in August 2022. DWI was reconstructed with SR-DLR (Matrix = 684 × 684) and without SR-DLR (Matrix = 228 × 228). Measurements were made of the signal-to-noise ratio (SNR), contrast-to-noise ratio (CNR) in white matter (WM) and grey matter (GM), and the full width at half maximum (FWHM) of the septum pellucidum. Two radiologists assessed image noise, contrast, artifacts, blur, and the overall quality of three image types using a four-point scale. Quantitative and qualitative scores between images with and without SR-DLR were compared using the Wilcoxon signed-rank test. Results: Images with SR-DLR showed significantly higher SNRs and CNRs than those without SR-DLR (p < 0.001). No statistically significant variances were found in the apparent diffusion coefficients (ADCs) in WM and GM between images with and without SR-DLR (ADC in WM, p = 0.945; ADC in GM, p = 0.235). Moreover, the FWHM without SR-DLR was notably lower compared to that with SR-DLR (p < 0.001). Conclusion: SR-DLR has the potential to augment the quality of DWI in DL MRI scans without significantly impacting ADC quantitation. pubtype: Academic Journal doctype: diagnostic images equations & formulas research tables/charts Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
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