Volumetric Analysis and Modeling of the Heart Using Active Appearance Model
Sándor Miklós Szilágyi (Hungarian Science University of Transylvania, Romania), László Szilágyi (Hungarian Science University of Transylvania, Romania) and Zoltán Benyó (Dept. of Control Engineering and Information Technology, Hungary)
Copyright: © 2008
Echocardiography is the fastest, least expensive, and least invasive heart imaging method. Accordingly, it is one of the most commonly used techniques to quantify the ventricular systolic function in patients. The examination is based on visual analysis of myocardial wall motion and deformation by an experienced and trained physiologist. This investigation is subjective, experience dependent, and the obtained results are only partially quantitative. The segmentation of the measured image sequences focuses on finding the exact boundaries of particular objects of interest, but it usually requires manual assistance.
Key Terms in this Chapter
Active Appearance Model (AAM): A computer vision algorithm for matching a statistical model of object shape and appearance to a new image.
ECG Analysis: The collection of ECG signal processing methods aiming at the determination of medical parameters.
Volumetric Analysis: The analysis of the volume variance in time.
Spatio-Temporal Modeling: Modeling in both time and space.
QRS Complex: A structure on the ECG signal that corresponds to the depolarization of the ventricles.
Echocardiogram: The image of the heart created with ultrasound imaging technology.
Active Shape Model (ASM): The statistical model of the shape of objects which iteratively deforms to fit to an example of the object in a new image.
Anatomical Structure Model: An anatomical model of the studied organ.