Full-spectrum CT reconstruction using a weighted least squares algorithm with an energy-axis penalty

IEEE Transactions on Medical Imaging

Volumn 30, Issue 2, 2011, Pages 173-183

  Gonzales, Brian ^a   Lalush, David ^a  

^a UNIVERSITY OF NORTH CAROLINA   (United States)

Author keywords

Attenuation curve; cadmium zinc telluride (CZT) detectors; penalized weighted least squares (PWLS); X ray computed tomography

Indexed keywords

ATTENUATION CURVE; ATTENUATION MAPS; ATTENUATION SPECTRA; CADMIUM ZINC TELLURIDE (CZT) DETECTORS; CONTRAST TO NOISE RATIO; CT DATA; CT IMAGE; CT RECONSTRUCTION; CT SYSTEM; ENERGY SENSITIVE; EXPERIMENTAL SETUP; FULL-SPECTRUM; LINEAR ATTENUATION COEFFICIENTS; POLYCHROMATIC ENERGY; PRIOR KNOWLEDGE; RECONSTRUCTED IMAGE; SINGLE SCAN; WEIGHTED LEAST SQUARES; WEIGHTED-LEAST-SQUARES ALGORITHM; X RAY SPECTRUM; X-RAY COMPUTED TOMOGRAPHY; X-RAY CT; X-RAY DETECTOR; X-RAY ENERGIES;

ALGORITHMS; CADMIUM; CADMIUM ALLOYS; CADMIUM TELLURIDE; DETECTORS; SCANNING; X RAYS; Z TRANSFORMS; ZINC;

COMPUTERIZED TOMOGRAPHY;

CADMIUM; CDZNTE; TELLURIUM; ZINC;

ALGORITHM; ARTICLE; COMPUTER ASSISTED TOMOGRAPHY; IMAGE PROCESSING; IMAGE QUALITY; INSTRUMENTATION; METHODOLOGY; REGRESSION ANALYSIS; REPRODUCIBILITY;

ALGORITHMS; CADMIUM; IMAGE PROCESSING, COMPUTER-ASSISTED; LEAST-SQUARES ANALYSIS; PHANTOMS, IMAGING; REPRODUCIBILITY OF RESULTS; TELLURIUM; TOMOGRAPHY, X-RAY COMPUTED; ZINC;

EID: 79551605533     PISSN: 02780062     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMI.2010.2048120     Document Type: Article

References (37)

1. S. Webb, The Physics of Medical Imaging (Medical Science Series). Philadelphia, PA: IOP Publishing, 1996.
2. J. H. Hubbell and S. M. Seltzer, Tables of X-ray Mass Attenuation Coefficients and Mass Energy-Absorption Coefficients from 1 keVto 20 MeV for Elements Z = 1 to 92 and 48 Additional Substances of Dosimetric Interest Nat. Inst. Standards Technol., Tech. Rep. 43NANB412756, 1996.
3. G. Lasio, B. Whiting, and J. Williamson, "Statistical reconstruction for X-ray computed tomography using energy-integrating detectors," Phys. Med. Biol, vol. 52, no. 8, pp. 2247-2266, 2007.
4. B.Whiting, P. Massoumzadeh, O.Earl, J. O'Sullivan, D. Snyder,andF. Williamson, "Properties of preprocessed sinogram data in X-ray computed tomography," Med. Phys., vol. 33, pp. 3290-3303, 2006.
5. G. Christ, "Exact treatment of dual-energy method in CT using polyen-ergetic X-ray spectra," Phys. Med. Biol., vol. 29, no. 12, pp. 1501-1510, 1984.
6. R. Alvarez and A. Macovski, "Energy-selective reconstructions in X-ray computerized tomography," Phys. Med. Biol, vol. 21, no. 5, pp. 733-744, 1976.
7. A. J. Talbert, R. A. Brooks, and D. G. Morgenthaler, "Optimum energies for dual-energy computed tomography," Phys. Med Biol, vol. 25, no. 2, pp. 261-269, 1980.
8. W. Marshall, R. Alvarez, and A. Macovski, "Initial results with pre-reconstructed dual-energy computed tomography (PREDECT)," Radiology, vol. 140, pp. 421-430, Aug. 1981.
9. M. Bazalova, J. Carrier, L. Baulieu, and F. Verhaegen, "Tissue segmentation in Monte Carlo treatment planning: A simulation study using dual-energy CT images," Radiotherapy Oncol, vol. 86, no. 1, pp. 93-98, 2008.
10. T. Tsunoo, M. Torikoshi, Y. Ohno, M. Endo, M. Natsuhori, T. Kak-izaki, Y. Yamada, N. Ito, N. Yagi, and K. Uesugi, "Measurement of electron density and effective atomic number using dual-energy X-ray CT," IEEENucl. Sci. Symp. Conf. Rec, pp. 3764-3768, Oct. 2004.
11. A. Taibi, S. Fabbri, P. Baldelli, C. DiMaggio, G. Gennaro, M. Marziani, A. Tuffanelli, and M. Gambaccini, "Dual-energy imaging in full-field digital mammography: A phantom study," Phys. Med. Biol, vol. 48, no. 13, pp. 1945-1956, 2003.
12. P. Sukovic and N. Clinthorne, "Penalized weighted least-squares image reconstruction for dual energy X-ray transmission tomography," IEEE Trans. Med. Imag., vol. 19, no. 11, pp. 1075-1081, Nov. 2000.
13. K. L. Goh, S. C. Liew, and B. H. Hasegawa, "Correction of energy-dependent systematic errors in dual-energy X-ray CT using a basis material coefficients transformation method," IEEE Trans. Nucl. Sci., vol. 44, no. 6, pp. 2149-2154, Dec. 1997.
14. D. G. Lohan, K. Motamedi, K. Chow, R. Habibi, C. Panknin, S. G. Ruehm, and L. L. Seeger, "Does dual-energy CT of lower-extremity tendons incur penalties in patient radiation exposure or reduced multiplanar reconstruction image quality?," Am. J. Roentgenol, vol. 191, no. 5, pp. 1386-1390, 2008.
15. Schlomka, E. Roessl, R. Dorscheild, S. Dill, G. Martens, T. Istel, C. Baumer, C. Herrmann, R. Steadman, G. Zeitler, A. Livne, and R. Proksa, "Experimental feasibility of multi-energy photon-counting K-edge imaging in pre-clinical computed tomography," Phys. Med. Biol, vol. 53, no. 15, pp. 4031-4047, 2008.
16. C. Yan, R. Whalen, G. Beaupre, S. Yen, and S. Napel, "Reconstruction algorithm for polychromatic CT imaging: Application to beam hardening correction," IEEE Trans. Med. Imag., vol. 19, no. 1, pp. 1-11, Jan. 2000.
17. I. Elbakri and J. Fessler, "Statistical image reconstruction for polyener-getic X-ray computed tomography," IEEE Trans. Med. Imag., vol. 21, no. 2, pp. 89-99, Feb. 2002.
18. M. Bazalova and F. Verhaegen, "Monte Carlo simulation of a computed tomography X-ray tube," Phys. Med. Biol., vol. 52, no. 19, pp. 5945-5955, 2007.
19. C. Szeles, "CdZnTe and CdTe materials for X-ray and gamma ray detector applications," Phys. Stat. Sol. (b), vol. 241, no. 3, pp. 783-790, 2003.
20. M. Matsumoto, S. Miyajima, A. Yamamoto, T. Yamazaki, and Kanamori, "Measurement of diagnostic X-ray spectra using CdZnTe detector," in Proc. 2nd Int. Workshop EGS, Aug. 2000, pp. 242-249.
21. S. Ricq, F. Glasser, and M. Garcin, "Study of CdTe and CdZnTe detectors for X-ray computed tomography," Nucl. Instrum. Methods Phys. Res. A, vol. A458, pp. 534-543, 2001.
22. G. Giakos, R. Guntupalli, S. Vedantham, S. Chowdhury, and B. Pillai, "A computed tomographic CdZnTe based Scanning Detector," in IEEE Instrum. Meas. Technol. Conf., May 1998, pp. 462-465.
23. M. Hoheisel, "Review of medical imaging with emphasis on X-ray detectors," Nucl. Instrum. Methods Phys. Res. Sec. A Accelerators Spectrometers Detectors Associated Equipment, vol. 563, no. 1, pp. 215-224, 2006.
24. I. Elbakri and J. Fessler, "Segmentation-free statistical image reconstruction for polyenergetic X-ray computed tomography with experimental validation," Phys. Med. Biol., vol. 48, pp. 2453-2477, 2003.
25. M. Paulus, H. Sari-Sarraf, S. Gleason, J. Behel, L. Thompson, and W. Allen, "A new X-ray computed tomography system for laboratory mouse imaging," IEEE Trans. Nucl. Sci., vol. 2, pp. 1259-1263, 1998.
26. S. Gleason, H. Sari-Sarraf, M. Paulus, D. Johnson, S. Norton, and M. Abidi, "Reconstruction of multienergy X-ray computer tomography images of laboratory mice," IEEE Trans. Nucl. Sci., vol. 46, pp. 1081-1086, 1999.
27. H. M. Hudson and R. S. Larkin, "Accelerated image reconstruction using ordered subsets of projection data," IEEE Trans. Med. Imag., vol. 13, no. 4, pp. 601-609, Dec. 1994.
28. S. Geman and D. Geman, "Stochastic relaxation, Gibbs distributions, and Bayesian restoration of images," IEEE Trans. Pattern Anal. Mach. Intell., vol. 6, no. 6, pp. 721-741, Nov. 1984.
29. T. Claesson, A. Kerek, J. Molnar, and D. Novak, "A CT demonstrator based on a CZT solid state detector," in IEEE Nucl. Sci. Symp. Conf. Rec., 2001, vol. 3, pp. 1644-1646.
30. B. Gao, G. Yue, Q. Qiu, Y. Cheng, H. Shimoda, L. Fleming, and O. Zhou, "Fabrication and electron field emission properties of carbon nanotube films by electrophoretic deposition," Adv. Mater., vol. 13, no. 23, pp. 1770-1773, 2001.
31. G. Yue, Q. Giu, B. Goa, Y. Cheng, J. Zhang, H. Shimoda, S. Chang, J. Lu, and O. Zhou, "Generation of continuous and pulsed diagnostic imaging X-ray radiation using a carbon-nanotube-based field-emission cathode," Appl. Phys. Lett., vol. 81, no. 2, pp. 355-357, 2002.
32. J. Zhang, Y. Cheng, Y. Lee, B. Gao, Q. Qiu, W. Lin, D. Lalush, J. Lu, andO.Zhou,"Ananotube-basedfield emission X-ray source for micro-computed tomography," Rev. Sci. Instrum., vol. 76, pp. (094301)1-4, 2005.
33. Visipaque (Iodixanol), [Online]. Available: http://md.gehealth-care.com/ visipaque/
34. J. Hainfeld, D. Slatkin, M. Focella, and H. Smilowitz, "Gold nanopar-ticles: A new X-ray contrast agent," Br. J. Radiol., vol. 79, no. 939, pp. 248-253, 2006.
35. V. Kattumuri, K. Katti, S. Bhaskaran, E. Boote, S. Casteel, G. Fent, D. Roberston, M. Chandrasekhar, R. Kannan, and K. V. Katti, "Gum arabic as a phytochemical construct for the stabilization of gold nanoparticles: In vivo pharmacokinetics and X-ray-contrast-imaging studies," Small, vol. 3, no. 2, pp. 333-341, 2007.
36. AuroVist, A Nanoprobes Product, [Online]. Available: http://www. nanoprobes.com/AuroVist.html
37. MATLAB Version 7.7.0.471 2008B. Natick, MA, MathWorks, 2008.