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What is Active Shape Model (ASM)

Chapter 172
Encyclopedia of Healthcare Information Systems
The statistical model of the shape of objects which iteratively deforms to fit to an example of the object in a new image.
Published in Chapter:
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 |Pages: 9
DOI: 10.4018/978-1-59904-889-5.ch172
Abstract
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.
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