Shaft-Guidance for Flexible Endoscopes

Flexible endoscopes (long, slender, flexible instruments with a camera and light at the distal end, having working channels to introduce flexible instruments) are used for diagnostic and therapeutic interventions inside the human digestive system and inside the abdomen. Though used for their flexibility, the flexibility of these instruments...

Electronic cleansing for visualization in CT colonography

In this thesis visualization and image processing methods are proposed that solve problems that are critical to the success of CT colonography; a non-invasive method to find the precursors of colon cancer. (1) A new optimal display mode was created and (2) the segmentation of the colon is enhanced.