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. Author manuscript; available in PMC: 2020 Feb 1.

Published in final edited form as: J Ultrasound Med. 2018 Jul 19;38(2):307–319. doi: 10.1002/jum.14690

Grayscale analysis results for the 2 human participants obtained across 3 different gain values are shown below. For each participant, row A shows the normalized and standardized images used. Images in row B show the segmented ROIs in grayscale and as a colorized output from the plaque analysis software. Row C provides the GSM values for these ROIs. Note that as the gain value increases, the GSM value likewise increases, which agrees with the grayscale phantom results for a single ultrasound imaging system. CCA indicates common carotid artery.

Grayscale analysis results for the 2 human participants obtained across 3 different gain values are shown below. For each participant, row A shows the normalized and standardized images used. Images in row B show the segmented ROIs in grayscale and as a colorized output from the plaque analysis software. Row C provides the GSM values for these ROIs. Note that as the gain value increases, the GSM value likewise increases, which agrees with the grayscale phantom results for a single ultrasound imaging system. CCA indicates common carotid artery.