New classes of helical weighting algorithms with applications to fast CT reconstruction

Medical Physics

Volumn 25, Issue 8, 1998, Pages 1521-1532

  Besson, Guy ^a  

^a GENERAL ELECTRIC COMPANY   (United States)

Author keywords

Fast reconstruction; Helical CT; Helical weighting; Post filtering helical weighting

Indexed keywords

COMPUTERIZED TOMOGRAPHY;

ANALYTICAL EXPRESSIONS; FAN-BEAM PROJECTIONS; FAST RECONSTRUCTION; HELICAL CT; HELICAL WEIGHTING; POST-FILTERING; RECONSTRUCTION ALGORITHMS; WEIGHT DISTRIBUTIONS;

IMAGE RECONSTRUCTION;

ALGORITHM; ARTICLE; CALCULATION; COMPUTER ASSISTED TOMOGRAPHY; IMAGE RECONSTRUCTION; MATHEMATICAL ANALYSIS; PRIORITY JOURNAL;

EID: 0031844465     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.598327     Document Type: Article

References (42)

1. I. Mori, "Computerized tomographic apparatus utilizing a radiation source," U.S. Patent No. 4,630,202, 1986.
2. H. Nishimura and O. Miyazaki, "CT system for spirally scanning subject on a movable bed synchronized to x-ray tube revolution," U.S. Patent 4,789,929, 1988.
3. W. A. Kalender, W. Seissler, E. Klotz, and P. Vock, "Spiral volumetric CT with single-breath-hold technique, continuous transport, and continuous scanner rotation," Radiology 176, 181-183 (1990).
4. C. R. Crawford and K. King, "Computed tomography scanning with simultaneous patient translation," Med. Phys. 17, 967-982 (1990).
5. W. A. Kalender and A. Polacin, "Physical performance characteristics of spiral CT scanning," Med. Phys. 18, 910-915 (1991).
6. A. Polacin, W. A. Kalender, and G. Marchal, "Evaluation of section sensitivity profiles and image noise in spiral CT," Radiology 185, 29-35 (1992).
7. B. Brown, "Procedure for monitoring contrast agent application in a CT imaging system," U.S. Patent No. 5,459,769, 1995.
8. W. A. Kalender, C. Suess, and A. Polacin, "Causes of artifacts in spiral CT angiography with MIP displays," Radiology 197, 221 (1995).
9. Y. Shen, F. Zhang, E. Yoshitome, F Kimura, O. Sakai, and Y. Kuniyasu, "Improvements of image quality of CT angiography by using deblurring techniques," Radiology 197, 221 (1995).
10. D. J. Heuscher and M. Vembar, "Improved 3D and CT angiography with spiral CT," Radiology 197, 222 (1995).
11. G. Wang and M. W. Vannier, "Longitudinal resolution in volumetric x-ray computerized tomography-analytical comparison between conventional and helical computerized tomography," Med. Phys. 21, 429-433 (1994).
12. W. A. Kalender, A. Polacin, and C. Suss, "A comparison of conventional and spiral CT: An experimental study of the detection of spherical lesions," J. Comput. Assist. Tomogr. 18, 167-176 (1994).
13. G. Wang and M. Vannier, "Low contrast resolution in volumetric x-ray CT-Analytical comparison between conventional and spiral CT," Med. Phys. 24, 373-376 (1997).
14. P. A. Templeton, C. S. White, Z. Protopapas, K. H. Latief, R. S. Fournier, and S. A. Tillett, "Real-time continuous imaging CT guidance for lung biopsy," Radiology 201, 270 (1996).
15. M. K. Mody, E. A. Kazerooni, and M Korobkin, "Percutaneous CT-guided biopsy of adrenal masses: Immediate and delayed complications," J. Comput. Assist. Tomogr. 19, 434-439 (1995).
16. P. Rogalla, S. Mutze, S. Paris, B Franke, and B. K. Hamm, "CT-fluoroscopy for lung biopsies: New low-risk and time-saving technique," Radiology 197, 164 (1995).
17. P. Kato, K. Katada, H. Anno, Y. Ida, S. Suetsugu, and S. Koga, "Transthoracic needle biopsy with real-time CT fluoroscopy," Radiology 197, 163 (1995).
18. J. Hsieh, "Analysis of the temporal response of computed tomography fluoroscopy," Med. Phys. 24, 665-675 (1997).
19. J. D. O'Sullivan, "A fast sine function gridding algorithm for Fourier inversion in computer tomography," IEEE Trans. Med Imaging MI-4, 200-207 (1985).
20. P. Edholm, G. T. Herman, and D. A. Roberts, "Image reconstruction from linograms: Implementation and evaluation," IEEE Trans. Med. Imaging MI-7 (1988).
21. G. Besson, "Simplification algorithms for CT reconstruction pre-processing and filtering," submitted to IEEE Trans. Med. Imag.
22. J. Hsieh, "Image reconstruction apparatus and method for helical scanning," U. S. Patent No. 5,491,735.
23. A. C. Kak and M. Slaney, Principles of Computerized Tomographic Imaging (IEEE, New York, 1988).
24. H H. Barrett and W. Swindell, Radiological Imaging (Academic, New York, 1981)
25. G. T. Herman, Image Reconstruction from Projections (Academic, New York, 1980).
26. J. Hsieh, "A general approach to the reconstruction of x-ray helical computed tomography," Med. Phys. 23, 221-229 (1996).
27. G. Wang and M. W. Vannier, "Helical CT image noise-analytical results," Med. Phys. 20, 1635-1640 (1993).
28. G. Wang and M. W. Vannier, "Optimal pitch in spiral computed tomography," Med. Phys. 24, 1635-1639 (1997).
29. G. Wang and M. W. Vannier, "Spatial variation of section sensitivity profile in spiral computed tomography," Med. Phys. 21, 11491-1497 (1994).
30. A. Polacin, W. A. Kalender, and G. Marchal, "Evaluation of section sensitivity profiles and image noise in spiral CT," Radiology 185, 29-35 (1992).
31. J. Hsieh, "Nonstationary noise characteristics of the helical scan and its impact on image quality and artifacts," Med. Phys 24, 1375-1384 (1997).
32. J. Hsieh, "Image artifacts, causes, and correction," in Medical CT and Ultrasound: Current Technology and Applications, edited by L. W. Goldman and J. B. Fowlkes (Advanced Publishing, Madison, WI, 1995).
33. N. J. Pelc and G. H. Glover, "Method for reducing image artifacts due to projection measurement inconsistencies," U.S. Patent No. 4,580,219, 1980.
34. A. Papoulis, Probability, Random Variables, and Stochastic Processes (McGraw-Hill, New York, 1984).
35. T. M. Peters and R. M. Lewitt, "Computed tomography with fan beam geometry," J. Comput. Assist. Tomogr. 1, 429-436 (1977).
36. R. A. Brooks, G H. Glover, A. J. Talbert, R. L. Eisner, and F. A. DiBianca, "Aliasing: A source of streaks in computed tomograms," J. Comput. Assist. Tomogr. 3, 511-518 (1979).
37. J. Namikawa, "Method of collecting data for x-ray tomography," U.S. Patent No. 4,852,132, 1989.
38. C. R. Crawford, K. F. King, T. L. Toth, and H. Hu, "Moving beam helical CT scanning," IEEE Trans. Med. Imaging 15, 188-196 (1996).
39. G. Besson, "CT fan-beam parametenzations leading to shift-invariant filtering," Inverse Probl. 12, 815-833 (1996).
40. G. Besson, "CT image reconstruction from fan-parallel data," submitted to Med. Phys.
41. H. Hu and Y. Shen, "Helical reconstruction algorithm with user-selectable section profiles," Radiological Society of North America, 1997, p. 189.
42. H Hu and Y. Shen, "Helical CT reconstruction with longitudinal filtration," submitted to Med. Phys.