Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1761919 | Ultrasound in Medicine & Biology | 2011 | 12 Pages |
Abstract
The use of automated methods is becoming increasingly important for assessing cardiac function quantitatively and objectively. In this study, we propose a method for tracking three-dimensional (3-D) left ventricular contours. The method consists of a local optical flow tracker and a global tracker, which uses a statistical model of cardiac motion in an optical-flow formulation. We propose a combination of local and global trackers using gradient-based weights. The algorithm was tested on 35 echocardiographic sequences, with good results (surface error: 1.35 ± 0.46 mm, absolute volume error: 5.4 ± 4.8 mL). This demonstrates the method's potential in automated tracking in clinical quality echocardiograms, facilitating the quantitative and objective assessment of cardiac function. (E-mail: k.leung@erasmusmc.nl)
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Acoustics and Ultrasonics
Authors
K.Y. Esther Leung, Mikhail G. Danilouchkine, Marijn van Stralen, Nico de Jong, Antonius F.W. van der Steen, Johan G. Bosch,