Elimination of direct derivative along source trajectory for accurate image reconstruction in helical cone-beam CT

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 5370 I, Issue , 2004, Pages 685-689

  Zou, Yu ^a   Pan, Xiaochuan ^a  

^a UNIVERSITY OF CHICAGO   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

DATA FILTERING; DATA FUNCTION; HELICAL TRAJECTORY; KATSEVICH'S ALGORITHM;

ALGORITHMS; COMPUTATIONAL COMPLEXITY; COMPUTERIZED TOMOGRAPHY; DATA REDUCTION; FUNCTIONS; WAVE FILTERS;

IMAGE RECONSTRUCTION;

EID: 5644299261     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.536559     Document Type: Conference Paper

References (13)

1. K. C. Tam, S. Samarasekera, and F. Sauer, "Exact cone-beam ct with a spiral scan," Phys. Med. Biol. 43, pp. 1015-1024, 1998.
2. H. Kudo, F. Noo, and M. Defrise, "Cone-beam filtered-backprojection algorithm for truncated helical data," Phys. Med. Biol. 43, pp. 2885-2909, 1998.
3. S. Schaller, F. Noo, F. Sauer, K. C. Tam, G. Lauritschi, and T. Flohr, "Exact radon rebinning algorithms using local regions-of-interest for helical cone-beam ct," IEEE Trans. Med. Imaging 19, pp. 361-375, 2000.
4. H. Kudo, F. Noo, and M. Defrise, "Quasi-exact filtered backprojection algorithm for long object problem in helical cone-beam tomography," IEEE Trans. Med. Imaging 19, pp. 902-921, 2000.
5. M. Defrise, F. Noo, and H. Kudo, "A solution to the long-object problem in helical cone-beam tomography," Phys. Med. Biol. 45, pp. 623-643, 2000.
6. K. C. Tam, "Exact local regions-of-interest reconstruction in spiral cone-beam filtered backprojection ct: theory," Proc. SPIE Medical Imaging 3979, pp. 506-519, 2000.
7. A. Katsevich, "Theoretically exact fbp-type inversion algorithm for spiral ct," SIAM J. Appl. Math. 62, pp. 2012-2026, 2002.
8. Y. Zou, E. Y. Sidky, and X. Pan, "Generalized quasi-exact algorithms for image reconstruction in helical cone-beam ct," in Medical Imaging: Image Processing, Proc. SPIE in press, 2003.
9. A. Katsevich, "Analysis of an exact inversion algorithm for spiral cone-beam ct," Phys. Med. Biol. 47, pp. 2583-2597, 2002.
10. F. Noo, J. Pack, and D. Heuscher, "Exact helical reconstruction using native cone-beam geometries," Phys. Med. Biol. 48, pp. 3787-3818, 2003.
11. P. E. Danielsson, P. Edholm, and M. Seger, "Towards exact 3d-reconstruction for helical cone-beam scanning of long objects, a new detector arrangement and a new completeness condition," in Proceedings of the 1997 International Meeting on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine (Pittsburgh), D. W. Townsend and P. E. Kinahan, eds., pp. 141-144, 1997.
12. Y. Zou and X. Pan, "Reconstruction from minimum data in helical cone-beam ct," in 2003 IEEE Nuclear Science Symposium Conference Record (Portland, Organ, 2003), 2004.
13. A. Katsevich, G. Lauritsch, H.Brider, T. Flohr, and K. Stierstorfer, "Evaluation and empirical analysis of an exact fbp algorithm for spiral cone-beam ct," in Medical Imaging: Image Processing, Proc. SPIE in press, 2003.