Fast reconstruction with uniform noise properties in halfscan computed tomography

Medical Physics

Volumn 27, Issue 9, 2000, Pages 2031-2036

  Pan, Xiaochuan ^a  

^a UNIVERSITY OF CHICAGO   (United States)

Author keywords

Computed tomography; Fan beam projection; Halfscan; Helical CT; Image reconstruction

Indexed keywords

COMPUTERIZED TOMOGRAPHY; IMAGE ENHANCEMENT;

ACCURACY AND PRECISION; FAN-BEAM PROJECTIONS; FAST RECONSTRUCTION; FILTERED BACK-PROJECTION; HALF-SCAN; HELICAL CT; HYBRID ALGORITHMS; QUANTITATIVE STUDY;

IMAGE RECONSTRUCTION;

ALGORITHM; ARTICLE; COMPUTER ASSISTED TOMOGRAPHY; DIAGNOSTIC ACCURACY; IMAGE RECONSTRUCTION; MATHEMATICAL ANALYSIS; NOISE; PRIORITY JOURNAL; RADIATION DOSE;

EID: 0033796113     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.1288239     Document Type: Article

References (24)

1. G. T. Herman, Image Reconstruction from Projections (Academic, New York, 1980).
2. P. Dreike and D. B. Boyd, "Convolution reconstruction of fan beam projections," Comput. Graph. Image Process. 5, 459-469 (1976).
3. B. K. Horn, "Fan-beam reconstruction algorithms," Proc. IEEE 67, 1616-1623 (1977).
4. C. T. Gullberg, "The reconstruction of fan-beam data by filtering the back-projection," Comput. Graph. Image Process. 10, 30-47 (1979).
5. X. Pan, "Optimal noise control in and fast reconstruction of fan-beam computed tomography image," Med. Phys. 26, 689-697 (1999).
6. H. H. Barrett, "The Radon transform and its applications," in Progress in Optics, edited by E. Wolf (Elsevier Science, New York, 1984), Vol. XXI, pp. 17-45.
7. F. Natterer, The Radon Transform (Wiley, New York, 1986.)
8. J. Hsieh, "Nonstationary noise character of the helical scan and its impact on image quality and artifacts," Med. Phys. 24, 1375-1384 (1997).
9. International Commission on Radiation Units and Measurements, "Medical imaging - the assessment of image quality," ICRU Report, 54, (Bethesda, MD, 1996.)
10. H. M. Olerud, J. B. Olsen, and A. Skretting, "An anthropomorphic phantom for receiver operating characteristic studies in CT imaging of liver lesions, Br. J. Radiol. 72, 35-43 (1999).
11. D. L. Parker, "Optical short scan convolution reconstruction for fan-beam CT," Med. Phys. 9, 245-257 (1982).
12. C. R. Crawford and K. F. King, "Computed tomography scanning with simultaneous patient translation," Med. Phys. 17, 967-982 (1990).
13. S. J. Riederer, N. J. Pelc, and D. A. Chesler, "The noise power spectrum in computed x-ray tomography," Phys. Med. Biol. 23, 446-454 (1978).
14. M. F. Kijewski and P. F. Judy, "The noise power spectrum of CT images," Phys. Med. Biol. 32, 565-575 (1987).
15. W. A. Kalender, K. Engelke, and R. Schaller, "Spiral CT: Medical use and potential industrial applications," Proc. SPIE 3149, 688-694 (1997).
16. M. W. Vannier and G. Wang, "Principles of spiral CT," in Spiral CT of the Chest, edited by M. Rèmy-Jardin and J. Rèmy (Springer, New York, 1997), pp. 1-32.
17. K. Taguchi and H. Aradate, "Algorithm for image reconstruction in multi-slice helical CT," Med. Phys. 25, 550-560 (1998).
18. H. Hu, "Multi-slice helical CT," Med. Phys. 6, 5-18 (1999).
19. P. F. Judy, "Evaluating computed tomography image quality," in Medical CT and Ultrasound: Current Technology and Applications, edited by L. W. Goldman and J. B. Fowlkes (Advanced Medical, Madison, WI, 1995), pp. 359-377.
20. M. D. Harpen, "A simple theorem relating noise and patient dose in computed tomography," Med. Phys. 26, 2231-234 (1999).
21. M. Gies, W. A. Kalender, H. Wolf, and C. Suess, "Dose reduction in CT by anatomically adapted tube current modulation. I. Simulation studies," Med. Phys. 26, 2235-2247 (1999).
22. G. T. Gullberg, C. R. Crawford, and B. M. W. Tsui, "Reconstruction for fan-beam with a displaced center-of-rotation," IEEE Trans. Med. Imaging 5, 23-29 (1986).
23. G. L. Zeng, G. T. Gullberg, R. J. Jaczczak, and J. Li, "Fan-beam reconstruction algorithm for a spatially varying focal length collimator," IEEE Trans. Med. Imaging 12, 575-585 (1993)..
24. J. You, S. Bao and Z. Liang, "Benefits of angular expression to reconstruction algorithms for collimators with spatially varying focal lengths," IEEE Trans. Med. Imaging 16, 527-531 (1997).