Empirical dual energy calibration (EDEC) for cone-beam computed tomography

Medical Physics

Volumn 34, Issue 9, 2007, Pages 3630-3641

  Stenner, Philip ^a   Berkus, Timo ^a   Kachelriess, Marc ^a  

^a UNIVERSITY OF ERLANGEN NUREMBERG   (Germany)

Author keywords

Artifacts; C arm CT; Dual energy CT; Flat panel detector CT; Image quality; Material decomposition; Micro CT

Indexed keywords

CALIBRATION; IMAGE QUALITY; PHANTOMS; POLYNOMIALS;

ARTIFACTS; DUAL-ENERGY CT; FLAT PANEL DETECTORS; MATERIAL DECOMPOSITION; MICRO CT;

COMPUTERIZED TOMOGRAPHY;

ANALYTIC METHOD; ARTICLE; CALIBRATION; COMPUTER ASSISTED TOMOGRAPHY; EMPIRICAL DUAL ENERGY CALIBRATION; IMAGING SYSTEM; IN VIVO STUDY; NONHUMAN; PRIORITY JOURNAL; ROENTGEN SPECTROSCOPY;

EID: 34548299710     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.2769104     Document Type: Article

References (11)

1. R. Alvarez and A. Macovski, " Energy-selective reconstructions in x-ray CT., " Phys. Med. Biol. 21, 733-744 (1976).
2. R. Alvarez and E. Seppi, " A comparison of noise and dose in conventional and energy selective computed tomography., " IEEE Trans. Nucl. Sci. NS-26, 2853-2856 (1979).
3. A. Coleman and M. Sinclair, " A beam-hardening correction using dual-energy computed tomography., " Phys. Med. Biol. 30, 1251-1256 (1985).
4. W. A. Kalender, W. Perman, J. Vetter, and E. Klotz, " Evaluation of a prototype dual-energy computed tomographic apparatus. I. Phantom studies., " Med. Phys. 13, 334-339 (1986).
5. J. Vetter, W. Perman, W. A. Kalender, R. Mazess, and J. Holden, " Evaluation of a prototype dual-energy computed tomographic apparatus. II. Determination of vertebral bone mineral content., " Med. Phys. 13, 340-343 (1986).
6. W. A. Kalender, E. Klotz, and L. Kostaridou, " An algorithm for noise suppression in dual energy CT material density images., " IEEE Trans. Med. Imaging 7, 218-224 (1988).
7. C. K. Wong and H. Huang, " Calibration procedure in dual-energy scanning using the basis function technique., " Med. Phys. 10, 628-635 (1983).
8. M. Kachelriess, K. Sourbelle, and W. Kalender, " Empirical cupping correction: A first order raw data precorrection for cone-beam computed tomography., " Med. Phys. 33, 1269-1274 (2006).
9. K. Sourbelle, M. Kachelriess, M. Karolczak, and W. A. Kalender, " Hybrid cupping correction (HCC) for quantitative cone-beam CT., " Radiology 237(P), 525 (2005).
10. D. M. Tucker, G. T. Barnes, and D. P. Chakraborty, " Semiempirical model for generating tungsten target x-ray spectra., " Med. Phys. 18, 211-218 (1991).
11. M. Kachelriess, " Automatic exposure control (AEC) for dual energy CT (DECT)., " Eur. Radiol. 17, Suppl. 1: 319 (2007).