Improved ejection fraction measurement on cardiac image using optical flow

Abstract

Echocardiography give information about shape, size, and function of heart to create the cardiac image. One of the most commonly measurement in echocardiography is Ejection Fraction. Ejection fraction (EF) used to calculate volume of left ventricle function which oblige doctor to create shape of left ventricle in two phase manually. In this research, we propose an improved system that able to used creating shape of heart semi-automatically by Optical Flow method. The result shape of it we used to measure EF. The result shown that the error in ejection fraction measurement using shape resulted of optical flow tracking 10.468%. It means that optical flow can improvement ejection fraction measurement which focus on reconstruct left ventricle's semi-automatically by using tracking result. So, doctor shouldn't create the shapes in systole and diastole phase manually.