Interactive Registration between Supine and Prone Scans in Computed Tomography Colonography using Band-Height Images

In computed tomographic colonography (CTC), a patient is commonly scanned twice including supine and prone scans to improve the sensitivity of polyp detection. Typically, a radiologist must manually match the corresponding areas in the supine and prone CT scans, which is a difficult and time-consuming task, even for experienced scan readers. In this paper, we propose a method of supine-prone registration utilizing band-height images, which are directly constructed from the CT scans using a ray-casting algorithm containing neighboring shape information.
Source: Computers in Biology and Medicine - Category: Bioinformatics Authors: Source Type: research