Image-based dual energy CT using optimized precorrection functions: A practical new approach of material decomposition in image domain

Medical Physics

Volumn 36, Issue 8, 2009, Pages 3818-3829

  Maaß, Clemens ^a   Baer, Matthias ^a   Kachelrieß, Marc ^a  

^a UNIVERSITY OF ERLANGEN NUREMBERG   (Germany)

Author keywords

Beam hardening; Dual energy CT; Dual source CT; Image quality; Material decomposition

Indexed keywords

IMAGE QUALITY; IMAGE RECONSTRUCTION; SCANNING;

BEAM HARDENING; DECOMPOSITION TECHNIQUE; DUAL-ENERGY CT; DUAL-SOURCE CT; IMAGE-BASED METHODS; MATERIAL DECOMPOSITION; MONOCHROMATIC IMAGES; RECONSTRUCTED IMAGE;

COMPUTERIZED TOMOGRAPHY;

ARTICLE; COMPUTER ASSISTED TOMOGRAPHY; DATA ANALYSIS; IMAGE QUALITY; IMAGE RECONSTRUCTION; INFORMATION PROCESSING; MATHEMATICAL ANALYSIS; PRIORITY JOURNAL; X RAY;

EID: 68149170057     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.3157235     Document Type: Article

References (10)

1. R. E. Alvarez and A. Macovski, " Energy-selective reconstructions in x-ray CT.," Phys. Med. Biol. 21 (5), 733744 (1976). 10.1088/0031-9155/21/ 5/002
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 (2), 28532856 (1979). 10.1109/TNS.1979.4330549
3. A. J. Coleman and M. Sinclair, " A beam-hardening correction using dual-energy computed tomography.," Phys. Med. Biol. 30 (11), 12511256 (1985). 10.1088/0031-9155/30/11/007
4. Willi A. Kalender, W. H. Perman, J. R. Vetter, and E. Klotz, " Evaluation of a prototype dual-energy computed tomographic apparatus, I. Phantom studies.," Med. Phys. 13 (3), 334339 (1986). 10.1118/1.595958 (Pubitemid 16062265)
5. J. R. Vetter, W. H. Perman, Willi A. Kalender, R. B. Mazess, and J. E. Holden, " Evaluation of a prototype dual-energy computed tomographic apparatus. II. Determination of vertebral bone mineral content.," Med. Phys. 13 (3), 340343 (1986). 10.1118/1.595951 (Pubitemid 16062266)
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 (3), 218224 (1988). 10.1109/42.7785
7. R. A. Brooks, " A quantitative theory of the Hounsfield unit and its application to dual energy scanning.," J. Comput. Assist. Tomogr. 1 (4), 487493 (1977).
8. P. Stenner, T. Berkus, and M. Kachelrieß, " Empirical dual energy calibration (EDEC) for cone-beam computed tomography.," Med. Phys. 34 (9), 36303641 (2007). 10.1118/1.2769104 (Pubitemid 47339761)
9. D. M. Tucker, G. T. Barnes, and D. P. Chakraborty, " Semiempirical model for generating tungsten target x-ray spectra.," Med. Phys. 18 (3), 211218 (1991). 10.1118/1.596709
10. M. Kachelrieß, K. Sourbelle, and W. A. Kalender, " Extended parallel backprojection (epbp) for spiral and circular cardiac cone-beam CT with up to 256 slices.," Radiology 229, 427428 (2003).