A Ray-driven Approach to Analytical SPECT Reconstruction of Non-uniform Attenuation with Variable Focal-length Fan-beam Collimators

IEEE Nuclear Science Symposium and Medical Imaging Conference

Volumn 2, Issue , 2002, Pages 731-735

  Wen, Junhai ^a   Li, Tianfang ^a   Liang, Zhengrong ^a  

^a STONY BROOK UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

COMPUTER SIMULATION; LIGHT ABSORPTION; OPTICAL COLLIMATORS; PHOTONS;

RADIOTRACERS;

COMPUTERIZED TOMOGRAPHY;

EID: 0142179136     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (9)

1. L. Kunyansky, "A new SPECT reconstruction algorithm based on the Novikov's explicit inversion formula", Inverse Problems, vol. 17, pp. 293-306, 2001.
2. R. Novikov, "An inversion formula for the attenuated X-ray transformation", Preprint, May 2000.
3. F. Natterer, "Inversion of the attenuated Radon transform", Inverse Problems, vol. 17, pp. 113-119, 2001.
4. O.J. Tretiak and C.E. Meta, "The exponential Radon transform", SIAM J. Applied Mathematics, vol. 39, pp. 341-354, 1980.
5. Junhai Wen, Tiangfang Li, Xiang Li, and Zhengrong Liang, "Fan-beam and variable focal-length fan-beam SPECT reconstruction with non-uniform attenuation", J. Nuclear Medicine Technology, vol.30, pp. 97, 2002.
6. Junhai Wen, Taingfang Li, and Zhengrong Liang, "Ray-driven analytical fan-beam SPECT reconstruction with non-uniform attenuation", Proc. IEEE International Symposium on Biomedical Imaging, pp. 629-632, 2002.
7. Y. Weng, G.L. Zeng, and G.T. Gullberg, "Analytical inversion formula for uniformly attenuated fan-beam projections", IEEE Transactions on Nuclear Science, vol. 44, pp. 243-249, 1997.
8. Jiangsheng You, Zhengrong Liang, and Shanglian Bao, "A harmonic decomposition reconstruction algorithm for spatially varying focal length collimators", IEEE Transaction on Medical Imaging, vol. 17, no. 6, pp. 995-1002, 1998.
9. Jiangsheng You, Zhengrong Liang, and Gengsheng L. Zeng, "A unified reconstruction framework for both parallel-beam and variable focal-length fan-beam collimators by a Cormack-type inversion of exponential Radon transform", IEEE Transaction on Medical Imaging, vol. 18, no. 1, pp. 59-65, 1999.