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File Format | PDF
File Size | 11.6 MB
Pages | 228
Language | English
Category | Radiology
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Description: Modulated (or
coded) excitation signals can potentially improve the quality and increase the
frame rate in medical ultrasound scanners. The aim of this dissertation is to
investigate systematically the applicability of modulated signals in medical
ultrasound imaging and to suggest appropriate methods for coded imaging, with
the goal of making better anatomic and flow images and threedimensional images.
On the first
stage, it investigates techniques for doing high-resolution coded imaging with
improved signal-to-noise ratio compared to conventional imaging. Subsequently
it investigates how coded excitation can be used for increasing the frame rate.
The work
includes both simulated results using Field II, and experimental results based
on measurements on phantoms as well as clinical images.
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Ultrasound Imaging Using Coded Signals
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