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What is Image Intensity

Chapter 8
Handbook of Research on Advanced Techniques in Diagnostic Imaging and Biomedical Applications
An image is defined as a two-dimensional function f(x, y) the amplitude of f at any pair of coordinates (x, y) is called the intensity or gray level of the image at that point.
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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