DocumentCode
2633033
Title
Alternating minimization algorithm for dual energy X-ray CT
Author
Sullivan, Joseph A O ; Benac, Jasenka ; Williamson, Jeffrey F.
Author_Institution
Dept. of Electr. & Syst. Eng., Washington Univ., St. Louis, MO, USA
fYear
2004
fDate
15-18 April 2004
Firstpage
579
Abstract
We present a method for obtaining quantitative images from dual energy X-ray CT measurements. We adopt a statistical model for the data and reconstruct images by maximizing the log-likelihood via an alternating minimization (AM) algorithm. Results for simulated data are shown and are compared to a post-processing method.
Keywords
computerised tomography; image reconstruction; medical image processing; minimisation; statistical analysis; alternating minimization algorithm; dual energy X-ray computerized tomography; image reconstruction; maximum log-likelihood; post-processing method; Attenuation; Biological system modeling; Calibration; Computed tomography; Image reconstruction; Minimization methods; Oncology; Power engineering and energy; Systems engineering and theory; X-ray imaging;
fLanguage
English
Publisher
ieee
Conference_Titel
Biomedical Imaging: Nano to Macro, 2004. IEEE International Symposium on
Print_ISBN
0-7803-8388-5
Type
conf
DOI
10.1109/ISBI.2004.1398604
Filename
1398604
Link To Document