H.H. Barrett, D.W. Wilson, and B.M.W. Tsui, “Noise properties of the EM algorithm: I. Theory,” Phys. Med. Biol. 39, 833–846 (1994).

[CrossRef]
[PubMed]

X-L. Xu, J-S. Liow, and S.C. Strother, “Iterative algebraic reconstruction algorithms for emission computed tomography: A unified framework and its application to positron emission tomography,” Med. Phys., 20, 1675–1684 (1993).

[CrossRef]
[PubMed]

D.R. Gilland, B.M.W. Tsui, C.E. Metz, R.J. Jaszczak, and J.R. Perry, “An evaluation of maximum likelihood-EM reconstruction for SPECT by ROC analysis,” J. Nucl. Med. 33, 451–457 (1992).

[PubMed]

S.C. Moore, S.P. Kijewski, S.P. Muller, and B.L. Holman, “SPECT Image Noise Power: Effects of Nonstationary Projection Noise and Attenuation Compensation,” J. Nucl. Med. 29, 1704–1709, (1988).

[PubMed]

O.N. Strand, “Theory and methods related to the singular-function expansion and Landweber’s iteration for integral equations of the first kind,” SIAM J. Numer. Anal., 11, 798–825 (1974).

[CrossRef]

P. Gilbert, “Iterative Methods for the Three-Dimensional Reconstruction of an Object from Projections,” J. Theor. Biol. 36, 105–117 (1972).

[CrossRef]
[PubMed]

H.H. Barrett, D.W. Wilson, and B.M.W. Tsui, “Noise properties of the EM algorithm: I. Theory,” Phys. Med. Biol. 39, 833–846 (1994).

[CrossRef]
[PubMed]

H.H. Barrett and D.W. Wilson, “An algorithm to calculate null and measurement spaces,” http://www.radiology.arizona.edu/~fastspec/nul_spc.pdf

H.H. Barrett, “The FASTSPECT imaging system,” http://www.radiology.arizona.edu/~fastspec.

P. Gilbert, “Iterative Methods for the Three-Dimensional Reconstruction of an Object from Projections,” J. Theor. Biol. 36, 105–117 (1972).

[CrossRef]
[PubMed]

D.R. Gilland, B.M.W. Tsui, C.E. Metz, R.J. Jaszczak, and J.R. Perry, “An evaluation of maximum likelihood-EM reconstruction for SPECT by ROC analysis,” J. Nucl. Med. 33, 451–457 (1992).

[PubMed]

K.M. Hanson, “Bayesian and Related Methods in Image Reconstruction from Incomplete Data,” in Image Recovery, Theory and Application, Henry Stark, ed. (Academic, Orlando, Fla. 1987)

S.C. Moore, S.P. Kijewski, S.P. Muller, and B.L. Holman, “SPECT Image Noise Power: Effects of Nonstationary Projection Noise and Attenuation Compensation,” J. Nucl. Med. 29, 1704–1709, (1988).

[PubMed]

D.R. Gilland, B.M.W. Tsui, C.E. Metz, R.J. Jaszczak, and J.R. Perry, “An evaluation of maximum likelihood-EM reconstruction for SPECT by ROC analysis,” J. Nucl. Med. 33, 451–457 (1992).

[PubMed]

S.C. Moore, S.P. Kijewski, S.P. Muller, and B.L. Holman, “SPECT Image Noise Power: Effects of Nonstationary Projection Noise and Attenuation Compensation,” J. Nucl. Med. 29, 1704–1709, (1988).

[PubMed]

X-L. Xu, J-S. Liow, and S.C. Strother, “Iterative algebraic reconstruction algorithms for emission computed tomography: A unified framework and its application to positron emission tomography,” Med. Phys., 20, 1675–1684 (1993).

[CrossRef]
[PubMed]

D.R. Gilland, B.M.W. Tsui, C.E. Metz, R.J. Jaszczak, and J.R. Perry, “An evaluation of maximum likelihood-EM reconstruction for SPECT by ROC analysis,” J. Nucl. Med. 33, 451–457 (1992).

[PubMed]

S.C. Moore, S.P. Kijewski, S.P. Muller, and B.L. Holman, “SPECT Image Noise Power: Effects of Nonstationary Projection Noise and Attenuation Compensation,” J. Nucl. Med. 29, 1704–1709, (1988).

[PubMed]

S.C. Moore, S.P. Kijewski, S.P. Muller, and B.L. Holman, “SPECT Image Noise Power: Effects of Nonstationary Projection Noise and Attenuation Compensation,” J. Nucl. Med. 29, 1704–1709, (1988).

[PubMed]

I. Pang, “Wedge phantom for resolution measurement,” http://www.radiology.arizona.edu/~fastspec/wedge.htm.

D.R. Gilland, B.M.W. Tsui, C.E. Metz, R.J. Jaszczak, and J.R. Perry, “An evaluation of maximum likelihood-EM reconstruction for SPECT by ROC analysis,” J. Nucl. Med. 33, 451–457 (1992).

[PubMed]

O.N. Strand, “Theory and methods related to the singular-function expansion and Landweber’s iteration for integral equations of the first kind,” SIAM J. Numer. Anal., 11, 798–825 (1974).

[CrossRef]

X-L. Xu, J-S. Liow, and S.C. Strother, “Iterative algebraic reconstruction algorithms for emission computed tomography: A unified framework and its application to positron emission tomography,” Med. Phys., 20, 1675–1684 (1993).

[CrossRef]
[PubMed]

H.H. Barrett, D.W. Wilson, and B.M.W. Tsui, “Noise properties of the EM algorithm: I. Theory,” Phys. Med. Biol. 39, 833–846 (1994).

[CrossRef]
[PubMed]

D.R. Gilland, B.M.W. Tsui, C.E. Metz, R.J. Jaszczak, and J.R. Perry, “An evaluation of maximum likelihood-EM reconstruction for SPECT by ROC analysis,” J. Nucl. Med. 33, 451–457 (1992).

[PubMed]

H.H. Barrett, D.W. Wilson, and B.M.W. Tsui, “Noise properties of the EM algorithm: I. Theory,” Phys. Med. Biol. 39, 833–846 (1994).

[CrossRef]
[PubMed]

H.H. Barrett and D.W. Wilson, “An algorithm to calculate null and measurement spaces,” http://www.radiology.arizona.edu/~fastspec/nul_spc.pdf

X-L. Xu, J-S. Liow, and S.C. Strother, “Iterative algebraic reconstruction algorithms for emission computed tomography: A unified framework and its application to positron emission tomography,” Med. Phys., 20, 1675–1684 (1993).

[CrossRef]
[PubMed]

S.C. Moore, S.P. Kijewski, S.P. Muller, and B.L. Holman, “SPECT Image Noise Power: Effects of Nonstationary Projection Noise and Attenuation Compensation,” J. Nucl. Med. 29, 1704–1709, (1988).

[PubMed]

D.R. Gilland, B.M.W. Tsui, C.E. Metz, R.J. Jaszczak, and J.R. Perry, “An evaluation of maximum likelihood-EM reconstruction for SPECT by ROC analysis,” J. Nucl. Med. 33, 451–457 (1992).

[PubMed]

P. Gilbert, “Iterative Methods for the Three-Dimensional Reconstruction of an Object from Projections,” J. Theor. Biol. 36, 105–117 (1972).

[CrossRef]
[PubMed]

X-L. Xu, J-S. Liow, and S.C. Strother, “Iterative algebraic reconstruction algorithms for emission computed tomography: A unified framework and its application to positron emission tomography,” Med. Phys., 20, 1675–1684 (1993).

[CrossRef]
[PubMed]

H.H. Barrett, D.W. Wilson, and B.M.W. Tsui, “Noise properties of the EM algorithm: I. Theory,” Phys. Med. Biol. 39, 833–846 (1994).

[CrossRef]
[PubMed]

O.N. Strand, “Theory and methods related to the singular-function expansion and Landweber’s iteration for integral equations of the first kind,” SIAM J. Numer. Anal., 11, 798–825 (1974).

[CrossRef]

K.M. Hanson, “Bayesian and Related Methods in Image Reconstruction from Incomplete Data,” in Image Recovery, Theory and Application, Henry Stark, ed. (Academic, Orlando, Fla. 1987)

H.H. Barrett and D.W. Wilson, “An algorithm to calculate null and measurement spaces,” http://www.radiology.arizona.edu/~fastspec/nul_spc.pdf

H.H. Barrett, “The FASTSPECT imaging system,” http://www.radiology.arizona.edu/~fastspec.

I. Pang, “Wedge phantom for resolution measurement,” http://www.radiology.arizona.edu/~fastspec/wedge.htm.