International Journal of Biomedical Imaging 
Volume 2008 (2008), Article ID 763028, 6 pages
doi:10.1155/2008/763028
Research Article

Digital Eversion of a Hollow Structure: An Application in Virtual Colonography

Jun Zhao,1 Liji Cao,1 Tiange Zhuang,1 and Ge Wang2

 1Department of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
2Biomedical Imaging Division, VT-WFU School of Biomedical Engineering and Sciences, Blacksburg, VA 24061, USA
Received 3 April 2008; Accepted 18 June 2008

Recommended by Guowei Wei

Abstract

A new methodology is presented for digital eversion of a hollow structure. The digital eversion is advantageous for better visualization of a larger portion of the inner surface with preservation of geometric relationship and without time-consuming navigation. Together with other techniques, digital eversion may help improve screening, diagnosis, surgical planning, and medical education. Two eversion algorithms are proposed and evaluated in numerical simulation to demonstrate the feasibility of the approach.