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What is Laplacian Operator

Chapter 8
Handbook of Research on Advanced Techniques in Diagnostic Imaging and Biomedical Applications
The Laplacian operator is a second order differential operator in the n-dimensional Euclidean space, defined as the divergence of the gradient.
Published in Chapter:
Segmentation of Cardiac Magnetic Resonance Images
Dimitrios G. Tsalikakis (University of Ioannina, Greece), Petros S. Karvelis (University of Ioannina, Greece), and Dimitrios I. Fotiadis (University of Ioannina, Greece)
Copyright: © 2009 |Pages: 18
DOI: 10.4018/978-1-60566-314-2.ch008
Abstract
Segmentation plays a crucial role in cardiac magnetic resonance imaging (CMRI) applications, since it permits automated detection of regions of interest. In this chapter we review semi-automated and fully automated cardiac MRI segmentation techniques and discuss their advantages. We classify those segmentation methods as classical and model-based.
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