Fig. 3
From: Automated left atrial time-resolved segmentation in MRI long-axis cine images using active contours
Illustration of the left atrial (LA) segmentation process output for both 2-chamber and 4-chamber views in a subject. a Segmentation masks overlayed on input data on 4 different time frames (end-diastole, during systole, end-systole, and during diastole) sequentially represented in columns, in which the top row of each view shows the automated segmentation in orange, whereas the corresponding bottom row shows the manual segmentation in magenta. b LA volume and LA strain values vs. time within the cardiac cycle (normalized), obtained by the automated (in orange) and manual (in magenta) measures from both views