Principles of speckle tracking
A vast amount of speckle tracking techniques has been developed to extract tissue motion from a time series of medical US images. The purpose of this chapter is to explore the underlying principles of these techniques while highlighting the methodological variety. This diversity also implies that arguably many different classification schemes could be devised to group them. Furthermore, it is important to realize that labeling techniques belonging to a single category can be further complicated given that some methods are conceptually hybrid approaches that combine the strengths of their individual constituents while mitigating their disadvantages as much as possible. As such, rather than being an exhaustive overview, this chapter should instead be used as a practical guide in the ever-evolving US tracking literature.
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