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REVIEW ARTICLE
Year : 2013  |  Volume : 2  |  Issue : 1  |  Page : 39-45

Measuring left ventricular volumes in two-dimensional echocardiography image sequence using level-set method for automatic detection of end-diastole and end-systole frames


1 Faculty of Biomedical Engineering, Department of Biomedical Engineering, Science and Research Branch, Islamic Azad University, Tehran, IR Iran
2 Department of the Electronic Engineering, Iran University of Science and Technology, Tehran, IR Iran
3 Department of Biomedical Engineering, Science and Research Branch, Islamic Azad University, Tehran, IR Iran
4 Echocardiography Research Center, Rajaie Cardiovascular Medical and Research Center, Tehran University of Medical Sciences, Tehran, IR Iran

Correspondence Address:
Saeed Darvishi
Faculty of Biomedical Engineering, Department of Biomedical Engineering, Science and Research Branch, Islamic Azad University, Tehran
IR Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.5812/cardiovascmed.6397

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Background: Identifying End-Diastole (ED) and End-Systole (ES) frames is highly important in the process of evaluating cardiac function and measuring global parameters accurately, such as Ejection Fraction (EF), Cardiac Output (CO) and Stroke Volume. Objectives: The current study aimed to develop a new method based on measuring volume changes in Left Ventricle (LV) during cardiac cycle. Material and Methods: For this purpose, the Level Set method was used both in detecting endocardium border and quantifying cardiac function of all frames. Results: Demonstrating LV volumes displays ED and ES frames and the volumes used in calculating the required parameters. Conclusions: Since ES and ED frames exist in iso-volumic phases of the cardiac cycle with minimum and maximum values of LV volume signals, such peaks can be utilized in finding related frames.


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