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. Author manuscript; available in PMC: 2019 Jan 1.
Published in final edited form as: J Cardiovasc Comput Tomogr. 2017 Dec 5;12(1):74–80. doi: 10.1016/j.jcct.2017.12.002

Figure 1.

Figure 1

Histology tissue section with trichrome stain (left) and post-processed histology image (right) are shown. Matlab color thresholding tools allow calculation of total myocardial pixels as the sum of non-white (e.g. red-myocardium and blue-collagen) pixels on the original image (left). Blue-staining collagen is rendered as white pixels on the thresholded image (right). Collagen volume fraction (CVF) is computed ratio of collagen-stained pixels to the total pixels.