This project involves the use of ultrasound imaging as a method to acquire posterior surface information intraoperatively for the use in deformation correction for image guided liver surgery. In this thesis, the subsurface effects of deformation correction were explored using a more realistic phantom model to replicated liver deformation that occurs during surgery. The use of intraoperative ultrasound as a possible modality for surface acquisition was investigated using simulated surfaces from computational tomography volumes and segmented tracked ultrasound images. The incorporation of a partial posterior surface from ultrasound showed a significant improvement in guidance capability, reducing the mean target registration error by 4.1 mm in the operating region of interest. Despite the remaining obstacles, the results in this work demonstrated the potential of using ultrasound, a widely accepted tool, as a practical posterior surface detection method in deformation correction in image guided liver surgery.
| Identifer | oai:union.ndltd.org:VANDERBILT/oai:VANDERBILTETD:etd-07302012-104037 |
| Date | 06 August 2012 |
| Creators | Ondrake, Janet Elizabeth |
| Contributors | Michael Miga, Robert Galloway |
| Publisher | VANDERBILT |
| Source Sets | Vanderbilt University Theses |
| Language | English |
| Detected Language | English |
| Type | text |
| Format | application/pdf |
| Source | http://etd.library.vanderbilt.edu/available/etd-07302012-104037/ |
| Rights | restricted, I hereby certify that, if appropriate, I have obtained and attached hereto a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee. I hereby grant to Vanderbilt University or its agents the non-exclusive license to archive and make accessible, under the conditions specified below, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report. |
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