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. Author manuscript; available in PMC: 2014 May 30.
Published in final edited form as: Med Image Comput Comput Assist Interv. 2012;15(0 2):305–312. doi: 10.1007/978-3-642-33418-4_38

Fig. 1. Multi-shell acquisition.

Fig. 1

Diffusion signal for increasing b-values of (left to right) 0, 200, 900 and 1400 mm2/sec in a mid-sagittal plane. The signal from free-water, such as in the ventricles (red arrow), decays into the noise floor faster than the signal of brain tissue.