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Fig. 4 | BMC Medical Imaging

Fig. 4

From: Non-local means based Rician noise filtering for diffusion tensor and kurtosis imaging in human brain and spinal cord

Fig. 4

a Location of anatomically defined ROIs on the FA map of the spinal cord. ROIs were selected in the ventro-lateral (red) and dorsal (green) column of the cervical spinal cord, to include most descending and ascending tracts, respectively. b The before-and-after plots for mean χ2 values at each ROI from 6 spinal cord levels (C1-C6) of all 5 healthy volunteers (30 pairs). All pairs show significant differences between before- (CLLS) and after-Rician denoising (CLLS-R) (p < 0.001). Abbreviations LR, lateral right; LL, lateral left; Dor, dorsal

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BMC Medical Imaging

ISSN: 1471-2342

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