Anatomical priors to improve image quality in small-animal SPECT/CT

IEEE Nuclear Science Symposium Conference Record

Volumn 6, Issue , 2007, Pages 4319-4323

  Wells, R Glenn ^a,b  

^a IEEE

^b UNIVERSITY OF OTTAWA   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

COMPUTATIONAL METHODS; COMPUTER SIMULATION; IMAGE QUALITY; IMAGING TECHNIQUES; MAPS; MEDICAL IMAGING; REPAIR; RESTORATION; SINGLE PHOTON EMISSION COMPUTED TOMOGRAPHY; TRELLIS CODES; WALLS (STRUCTURAL PARTITIONS);

ABSOLUTE DIFFERENCE; ABSOLUTE ERRORS; ACTIVITY DISTRIBUTION; ANATOMICAL INFORMATION; ANATOMICAL PRIORS; BOUNDARY INFORMATION; COMPUTER SIMULATIONS; COREGISTERED; GAUSSIAN FILTERING; GIBBS PRIORS; HIGH-QUALITY; ITERATIVE RECONSTRUCTIONS; MAP ALGORITHMS; MAP RECONSTRUCTION; MAXIMUM A POSTERIORI RECONSTRUCTION; MEAN ABSOLUTE ERROR; MYOCARDIAL WALLS; NUCLEAR SCIENCES; PINHOLE SPECT; RESCALED BLOCK-ITERATIVE; SMALL ANIMALS; SMALL REDUCTION; THREE RECONSTRUCTION;

CONFORMAL MAPPING;

EID: 48149115693     PISSN: 10957863     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/NSSMIC.2007.4437071     Document Type: Conference Paper

References (10)

1. D. S. Lalush and M. N. Wernick, Emission Tomography: The Fundamentals of PET and SPECT. Elsevier Academic Press, 2004. ch. Iterative Image Reconstruction.
2. P. P. Bruyant, H. C. Gifford. G. Gindi, and M. A. King, "Numerical observer study of MAP-OSEM regularization methods with anatomical priors for lesion detection in Ga67 images," IEEE Trans. Nucl. Sci., vol. 51, pp. 193-197, 2004.
3. E. Sabondjian and R. G. Wells, "Using CT priors in SPECT/CT wrist imaging," in 2006 IEEE Nuclear Science Symposium and Medical Imaging Conference Abstracts. 2006, p. 310. [Abstract].
4. J. Nuyts, K. Baete, D. Bequé, and P. Dupont, "Comparison between MAP and postprocessed ML for image reconstruction in emission tomography when anatomical knowledge is available," IEEE Trans. Med. Imag., vol. 24, pp. 667-675, 2005.
5. W. P. Segars, B. M. W. Tsui, E. C. Frey, G. A. Johnson, and S. S. Berr, "Development of a 4D digital mouse phantom for molecular imaging research," Mol. Imag. Biol., vol. 6, pp. 149-159, 2004.
6. D. Lalush and B. M. W. Tsui, "Block-iterative techniques for fast 4D reconstruction using a priori motion models in gated cardiac SPECT," Phys. Med. Biol., vol. 43, pp. 875-886, 1998.
7. P. J. Green, "Bayesian reconstructions from emission tomography data using modified EM algorithm," IEEE Trans. Med. Imag., vol. 9, pp. 84-93, 1990.
8. D. S. Lalush and B. M. W. Tsui, "A generalized Gibbs prior for maximum a posteriori reconstruction in SPECT," Phys. Med. Biol., vol. 38, pp. 729-741, 1993.
9. D. M. Higdon, J. E. Bowsher, V. E. Johnson, T. G. Turkington, D. R. Gilland, and R. J. Jaszczak, "Fully bayesian estimation of Gibbs hyperparameters for emission computed tomography data." IEEE Trans. Med. Imag., vol. 16, pp. 516-526, 1997.
10. D. S. Lalush, E. C. Frey, and B. M. W. Tsui, "Fast maximum entropy approximation in SPECT using the RBI-MAP algorithm," IEEE Trans. Med. Imag., vol. 19, pp. 286-294, 2000.