Cart (Loading....) | Create Account
Close category search window

A thoracic cage coordinate system for recording pathologies in lung CT volume data

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

2 Author(s)
Hong Shen ; Siemens Corp. Res. Inc., Princeton, NJ, USA ; Min Shao

We present in this paper a thoracic cage coordinate system for recording pathology locations in lung CT volume data. The current recording schemes in a computer aided diagnosis (CAD) system are either only valid for a particular data set or very coarse. We need a coordinate system that is independent of pose and translation, and is relatively stable over deformation and inhalation. The thoracic cage is composed of several pairs of ribs, the spine and the sternum. These features are very stable and prominent in CT data and cover the complete lung area. The rib structures are highly ordered and symmetrical, and each pair of ribs roughly forms a plane. The centerlines of each individual rib are extracted and labeled from top to bottom. For each pair of ribs, a 3D orthogonal basis is computed by eigen-analysis of the rib centerline points, which are taken as the x, y, and z axes. The rib pairs form a set of reference planes and therefore there are a set of coordinate systems (x, y, z), each of them is locally valid between two adjacent planes. To define a location globally, a fourth parameter n is added to identify the serial number of the reference plane. The complete coordinate is recorded as (n, x, y, z). This system is robust against deformations due to bending and twist, and is relatively stable over inhalation. We see this system readily adapted in other 3D modalities, such as MRI volume data.

Published in:

Nuclear Science Symposium Conference Record, 2003 IEEE  (Volume:5 )

Date of Conference:

19-25 Oct. 2003

Need Help?

IEEE Advancing Technology for Humanity About IEEE Xplore | Contact | Help | Terms of Use | Nondiscrimination Policy | Site Map | Privacy & Opting Out of Cookies

A not-for-profit organization, IEEE is the world's largest professional association for the advancement of technology.
© Copyright 2014 IEEE - All rights reserved. Use of this web site signifies your agreement to the terms and conditions.