DocumentCode
3473458
Title
Parallel multi-material decomposition of Dual-Energy CT data
Author
Maia, Rafael Simon ; Jacob, Christian ; Mitchell, J. Ross ; Hara, Amy K. ; Silva, Abraham Castellanos ; Pavlicek, William
Author_Institution
Dept. of Comput. Sci., Univ. of Calgary, Calgary, AB, Canada
fYear
2013
fDate
20-22 June 2013
Firstpage
465
Lastpage
468
Abstract
Dual-Energy Computed Tomography (DECT) is a new modality of CT where two images are acquired simultaneously at two energy levels, and then decomposed into two material density images. It is also possible to further decompose these images into volume fraction images that approximate the percentage of a given material at each pixel. Here, we describe a novel parallel version of the multilateral decomposition algorithm proposed by Mendonça et al., which is used to obtain volume fraction images. Our parallel version accelerates decomposition by 200x. We also discuss some of the algorithm limitations.
Keywords
computerised tomography; medical image processing; parallel algorithms; dual-energy computed tomography data; energy level; image acquisition; material density image; multilateral decomposition algorithm; parallel multimaterial decomposition; volume fraction image; Attenuation; Blood; Computed tomography; Energy states; Materials; Radiology; X-ray imaging;
fLanguage
English
Publisher
ieee
Conference_Titel
Computer-Based Medical Systems (CBMS), 2013 IEEE 26th International Symposium on
Conference_Location
Porto
Type
conf
DOI
10.1109/CBMS.2013.6627842
Filename
6627842
Link To Document