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. 2018 Jan 16;91(1084):20170717. doi: 10.1259/bjr.20170717

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© 2018 The Authors. Published by the British Institute of Radiology

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 Unported License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted non-commercial reuse, provided the original author and source are credited.

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Figure 6. — Illustration of method for SNR and CNR measurements; ROIs are indicated by circles drawn within the ventricular cavity (2 and 4), the myocardium (1 and 3) and outside the image (5–6). CNR, contrast-to-noise ratio; ROI, region of interest; SNR, signal-to-noise ratio.