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

Imaging characterization of an experimental apparatus for dual energy angiography

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

11 Author(s)

An angiographic practice an iodate contrast medium is injected in patient vessels with catheters. The absorption of X-rays rises immediately above the Iodine K-edge energy (33.17 keV), permitting to distinguish human soft tissues characterized by similar absorption's coefficients. Conventional image subtraction technique uses two images, acquired before and after the injection of the contrast medium, respectively. The vessels' morphology results from the difference of images so obtained. A different approach is presented: two quasimonochromatic peaks, having mean energies lower and higher than the Iodine K-edge, are produced with a pyrolytic graphite crystal monochromator and split in two thin parallel beams, respectively. These two beams impinge on phantoms simulating patient vessels and are detected with solid-state array detectors. The image results as the difference between the intensities of the two beams emerging from patient tissues and Iodine. In this work, we show results and first image of a phantom, characterized by calibrated vessels inside, obtained with an experimental apparatus to perform a double energy scanning in a 120 mm × 120 mm field of view.

Published in:

Nuclear Science Symposium Conference Record, 2002 IEEE  (Volume:3 )

Date of Conference:

10-16 Nov. 2002

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.