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Fig. 1 | BMC Medical Imaging

Fig. 1

From: A consistency evaluation of signal-to-noise ratio in the quality assessment of human brain magnetic resonance images

Fig. 1

Manual outline of tissue regions and air regions. a, b, c, d are T2*, T1, T2 and T1C weighted MR images, respectively. b, c, d demonstrates one example of a subject. Primarily points localized by observers are noted with red sparkles. Outlined WM, CSF and AIR regions are in closed curves with pink, blue and yellow lines, respectively. Note that images have been cropped for display purpose

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