Z. Chen and R. Ning, “Pixel-pyramid model for divergent projection geometry,” Opt. Eng. 44, 027002 (2005).

Z. Chen, R. Ning, Y. Yu, and D. Conover, “3D PSF characterization of circle-plus-arc cone-beam tomography,” Proc. SPIE 5745, 664-675 (2005).

X. Tang, J. Hsieh, A. Hagiwara, R. Nilsen, J. Thibault, and E. Drapkin, “A three-dimensional weighted cone beam filtered backprojection (CB-FBP) algorithm for image reconstruction in volumetric CT under a circular source trajectory,” Phys. Med. Biol. 50, 3889-905 (2005).

[CrossRef]

Z. Chen and R. Ning, “Super-gridded cone-beam reconstruction and its application to point-spread function calculation,” Appl. Opt. 44, 4615-4624 (2005).

[CrossRef]

R. Ning, X. Tang, D. Conover, and R. Yu, “Flat panel detector-based cone beam computed tomography with a circle-plus-two arcs data acquisition orbit: preliminary phantom study,” Med. Phys. 30, 1694-1705 (2003).

[CrossRef]

Z. Chen and R. Ning, “Filling the Radon domain of computed tomography by local convex combination,” Appl. Opt. 42, 7043-7051 (2003).

[CrossRef]

Z. Chen, R. Ning, and D. Conover, “Accurate perspective projection calculation using a pixel-pyramid model for iterative cone-beam reconstruction,” Proc. SPIE 5030, 728-39 (2003).

R. Ning, B. Chen, R. Yu, D. Conover, X. Tang, and Y. Ning, “Flat panel detector-based cone-beam volume CT angiography imaging: system evaluation,” IEEE Trans. Med. Imag. 19, 9494-963 (2000).

D. Gottlieb, B. Gustafsson, and P. Forssen, “On the direct Fourier method for computer tomography,” IEEE Trans. Med. Imag. 19, 223-232 (2000).

K. Mueller, R. Yagel, and J. J. Wheller, “Anti-aliased three-dimensional cone-beam reconstruction of low-contrast objects with algebraic methods,” IEEE Trans. Med. Imaging 18519-537 (1999).

X. Wang and R. Ning, “A cone-beam reconstruction algorithm for circle-plus-arc data-acquisition geometry,” IEEE Trans. Med. Imag. 18, 815-824 (1999).

S. Schaller, T. Flohr, and P. Steffen, “An efficient Fourier method for 3D Radon inversion in exact cone-beam CT reconstruction,” IEEE Trans. Med. Imag. 17, 244-250 (1998).

N. J. Dusaussoy, “Voir: A volumetric image reconstruction algorithm based on Fourier techniques for inversion of the 3-D Radon transform,” IEEE Trans. Image Process. 5, 121-131(1996).

[CrossRef]

M. Defrise and R. Clack, “A cone-beam reconstruction algorithm using shift-variant filtering and cone-beam backprojection,” IEEE Trans. Med. Imag. 13, 186-195 (1994).

C. Axelsson and P. Danielsson, “Three-dimensional reconstruction from cone-beam data in O(N3logN) time,” Phys. Med. Biol. 39, 477-491 (1994).

[CrossRef]

G. L. Zeng, R. Clack, and G. T. Gullberg, “Implementation of Tuy's cone-beam inversion formula,” Phys. Med. Biol. 39, 493-507 (1994).

[CrossRef]

H. K. Tuy, “An inversion formula for cone-beam reconstruction,” SIAM J. Appl. Math. 43, 546-552 (1983).

[CrossRef]

C. Axelsson and P. Danielsson, “Three-dimensional reconstruction from cone-beam data in O(N3logN) time,” Phys. Med. Biol. 39, 477-491 (1994).

[CrossRef]

R. Ning, B. Chen, R. Yu, D. Conover, X. Tang, and Y. Ning, “Flat panel detector-based cone-beam volume CT angiography imaging: system evaluation,” IEEE Trans. Med. Imag. 19, 9494-963 (2000).

Z. Chen and R. Ning, “Volume fusion of two-circular-orbits cone-beam tomography,” Appl. Opt. 45, 5960-5966(2006).

[CrossRef]

Z. Chen and R. Ning, “Super-gridded cone-beam reconstruction and its application to point-spread function calculation,” Appl. Opt. 44, 4615-4624 (2005).

[CrossRef]

Z. Chen and R. Ning, “Pixel-pyramid model for divergent projection geometry,” Opt. Eng. 44, 027002 (2005).

Z. Chen, R. Ning, Y. Yu, and D. Conover, “3D PSF characterization of circle-plus-arc cone-beam tomography,” Proc. SPIE 5745, 664-675 (2005).

Z. Chen, R. Ning, and D. Conover, “Accurate perspective projection calculation using a pixel-pyramid model for iterative cone-beam reconstruction,” Proc. SPIE 5030, 728-39 (2003).

Z. Chen and R. Ning, “Filling the Radon domain of computed tomography by local convex combination,” Appl. Opt. 42, 7043-7051 (2003).

[CrossRef]

M. Defrise and R. Clack, “A cone-beam reconstruction algorithm using shift-variant filtering and cone-beam backprojection,” IEEE Trans. Med. Imag. 13, 186-195 (1994).

G. L. Zeng, R. Clack, and G. T. Gullberg, “Implementation of Tuy's cone-beam inversion formula,” Phys. Med. Biol. 39, 493-507 (1994).

[CrossRef]

Z. Chen, R. Ning, Y. Yu, and D. Conover, “3D PSF characterization of circle-plus-arc cone-beam tomography,” Proc. SPIE 5745, 664-675 (2005).

Z. Chen, R. Ning, and D. Conover, “Accurate perspective projection calculation using a pixel-pyramid model for iterative cone-beam reconstruction,” Proc. SPIE 5030, 728-39 (2003).

R. Ning, X. Tang, D. Conover, and R. Yu, “Flat panel detector-based cone beam computed tomography with a circle-plus-two arcs data acquisition orbit: preliminary phantom study,” Med. Phys. 30, 1694-1705 (2003).

[CrossRef]

R. Ning, B. Chen, R. Yu, D. Conover, X. Tang, and Y. Ning, “Flat panel detector-based cone-beam volume CT angiography imaging: system evaluation,” IEEE Trans. Med. Imag. 19, 9494-963 (2000).

C. Axelsson and P. Danielsson, “Three-dimensional reconstruction from cone-beam data in O(N3logN) time,” Phys. Med. Biol. 39, 477-491 (1994).

[CrossRef]

M. Defrise and R. Clack, “A cone-beam reconstruction algorithm using shift-variant filtering and cone-beam backprojection,” IEEE Trans. Med. Imag. 13, 186-195 (1994).

X. Tang, J. Hsieh, A. Hagiwara, R. Nilsen, J. Thibault, and E. Drapkin, “A three-dimensional weighted cone beam filtered backprojection (CB-FBP) algorithm for image reconstruction in volumetric CT under a circular source trajectory,” Phys. Med. Biol. 50, 3889-905 (2005).

[CrossRef]

N. J. Dusaussoy, “Voir: A volumetric image reconstruction algorithm based on Fourier techniques for inversion of the 3-D Radon transform,” IEEE Trans. Image Process. 5, 121-131(1996).

[CrossRef]

S. Schaller, T. Flohr, and P. Steffen, “An efficient Fourier method for 3D Radon inversion in exact cone-beam CT reconstruction,” IEEE Trans. Med. Imag. 17, 244-250 (1998).

D. Gottlieb, B. Gustafsson, and P. Forssen, “On the direct Fourier method for computer tomography,” IEEE Trans. Med. Imag. 19, 223-232 (2000).

D. Gottlieb, B. Gustafsson, and P. Forssen, “On the direct Fourier method for computer tomography,” IEEE Trans. Med. Imag. 19, 223-232 (2000).

P. Grangeat, “Mathematical framework of cone beam 3D reconstruction via the first derivative of the Radon transform,” in *Mathematical Methods in Tomography*, Vol. 1497 of Lecture Notes in Mathematics, G.T.Herman, A. K. Louis, and F. Natterer, eds. (Springer-Verlag, 1991), pp. 66-97.

G. L. Zeng, R. Clack, and G. T. Gullberg, “Implementation of Tuy's cone-beam inversion formula,” Phys. Med. Biol. 39, 493-507 (1994).

[CrossRef]

D. Gottlieb, B. Gustafsson, and P. Forssen, “On the direct Fourier method for computer tomography,” IEEE Trans. Med. Imag. 19, 223-232 (2000).

X. Tang, J. Hsieh, A. Hagiwara, R. Nilsen, J. Thibault, and E. Drapkin, “A three-dimensional weighted cone beam filtered backprojection (CB-FBP) algorithm for image reconstruction in volumetric CT under a circular source trajectory,” Phys. Med. Biol. 50, 3889-905 (2005).

[CrossRef]

X. Tang, J. Hsieh, A. Hagiwara, R. Nilsen, J. Thibault, and E. Drapkin, “A three-dimensional weighted cone beam filtered backprojection (CB-FBP) algorithm for image reconstruction in volumetric CT under a circular source trajectory,” Phys. Med. Biol. 50, 3889-905 (2005).

[CrossRef]

A. C. Kak and M. Slaney, *Principles of Computerized Tomographic Imaging* (IEEE, 1999).

K. Mueller, R. Yagel, and J. J. Wheller, “Anti-aliased three-dimensional cone-beam reconstruction of low-contrast objects with algebraic methods,” IEEE Trans. Med. Imaging 18519-537 (1999).

X. Tang, J. Hsieh, A. Hagiwara, R. Nilsen, J. Thibault, and E. Drapkin, “A three-dimensional weighted cone beam filtered backprojection (CB-FBP) algorithm for image reconstruction in volumetric CT under a circular source trajectory,” Phys. Med. Biol. 50, 3889-905 (2005).

[CrossRef]

Z. Chen and R. Ning, “Volume fusion of two-circular-orbits cone-beam tomography,” Appl. Opt. 45, 5960-5966(2006).

[CrossRef]

Z. Chen and R. Ning, “Super-gridded cone-beam reconstruction and its application to point-spread function calculation,” Appl. Opt. 44, 4615-4624 (2005).

[CrossRef]

Z. Chen, R. Ning, Y. Yu, and D. Conover, “3D PSF characterization of circle-plus-arc cone-beam tomography,” Proc. SPIE 5745, 664-675 (2005).

Z. Chen and R. Ning, “Pixel-pyramid model for divergent projection geometry,” Opt. Eng. 44, 027002 (2005).

Z. Chen, R. Ning, and D. Conover, “Accurate perspective projection calculation using a pixel-pyramid model for iterative cone-beam reconstruction,” Proc. SPIE 5030, 728-39 (2003).

R. Ning, X. Tang, D. Conover, and R. Yu, “Flat panel detector-based cone beam computed tomography with a circle-plus-two arcs data acquisition orbit: preliminary phantom study,” Med. Phys. 30, 1694-1705 (2003).

[CrossRef]

Z. Chen and R. Ning, “Filling the Radon domain of computed tomography by local convex combination,” Appl. Opt. 42, 7043-7051 (2003).

[CrossRef]

R. Ning, B. Chen, R. Yu, D. Conover, X. Tang, and Y. Ning, “Flat panel detector-based cone-beam volume CT angiography imaging: system evaluation,” IEEE Trans. Med. Imag. 19, 9494-963 (2000).

X. Wang and R. Ning, “A cone-beam reconstruction algorithm for circle-plus-arc data-acquisition geometry,” IEEE Trans. Med. Imag. 18, 815-824 (1999).

R. Ning, B. Chen, R. Yu, D. Conover, X. Tang, and Y. Ning, “Flat panel detector-based cone-beam volume CT angiography imaging: system evaluation,” IEEE Trans. Med. Imag. 19, 9494-963 (2000).

S. Schaller, T. Flohr, and P. Steffen, “An efficient Fourier method for 3D Radon inversion in exact cone-beam CT reconstruction,” IEEE Trans. Med. Imag. 17, 244-250 (1998).

A. C. Kak and M. Slaney, *Principles of Computerized Tomographic Imaging* (IEEE, 1999).

S. Schaller, T. Flohr, and P. Steffen, “An efficient Fourier method for 3D Radon inversion in exact cone-beam CT reconstruction,” IEEE Trans. Med. Imag. 17, 244-250 (1998).

X. Tang, J. Hsieh, A. Hagiwara, R. Nilsen, J. Thibault, and E. Drapkin, “A three-dimensional weighted cone beam filtered backprojection (CB-FBP) algorithm for image reconstruction in volumetric CT under a circular source trajectory,” Phys. Med. Biol. 50, 3889-905 (2005).

[CrossRef]

R. Ning, X. Tang, D. Conover, and R. Yu, “Flat panel detector-based cone beam computed tomography with a circle-plus-two arcs data acquisition orbit: preliminary phantom study,” Med. Phys. 30, 1694-1705 (2003).

[CrossRef]

R. Ning, B. Chen, R. Yu, D. Conover, X. Tang, and Y. Ning, “Flat panel detector-based cone-beam volume CT angiography imaging: system evaluation,” IEEE Trans. Med. Imag. 19, 9494-963 (2000).

X. Tang, J. Hsieh, A. Hagiwara, R. Nilsen, J. Thibault, and E. Drapkin, “A three-dimensional weighted cone beam filtered backprojection (CB-FBP) algorithm for image reconstruction in volumetric CT under a circular source trajectory,” Phys. Med. Biol. 50, 3889-905 (2005).

[CrossRef]

H. Turbell, “Cone-beam reconstruction using filtered backprojection,” Ph.D. thesis (Linkoping University, 2001).

H. K. Tuy, “An inversion formula for cone-beam reconstruction,” SIAM J. Appl. Math. 43, 546-552 (1983).

[CrossRef]

X. Wang and R. Ning, “A cone-beam reconstruction algorithm for circle-plus-arc data-acquisition geometry,” IEEE Trans. Med. Imag. 18, 815-824 (1999).

K. Mueller, R. Yagel, and J. J. Wheller, “Anti-aliased three-dimensional cone-beam reconstruction of low-contrast objects with algebraic methods,” IEEE Trans. Med. Imaging 18519-537 (1999).

K. Mueller, R. Yagel, and J. J. Wheller, “Anti-aliased three-dimensional cone-beam reconstruction of low-contrast objects with algebraic methods,” IEEE Trans. Med. Imaging 18519-537 (1999).

R. Ning, X. Tang, D. Conover, and R. Yu, “Flat panel detector-based cone beam computed tomography with a circle-plus-two arcs data acquisition orbit: preliminary phantom study,” Med. Phys. 30, 1694-1705 (2003).

[CrossRef]

R. Ning, B. Chen, R. Yu, D. Conover, X. Tang, and Y. Ning, “Flat panel detector-based cone-beam volume CT angiography imaging: system evaluation,” IEEE Trans. Med. Imag. 19, 9494-963 (2000).

Z. Chen, R. Ning, Y. Yu, and D. Conover, “3D PSF characterization of circle-plus-arc cone-beam tomography,” Proc. SPIE 5745, 664-675 (2005).

G. L. Zeng, R. Clack, and G. T. Gullberg, “Implementation of Tuy's cone-beam inversion formula,” Phys. Med. Biol. 39, 493-507 (1994).

[CrossRef]

N. J. Dusaussoy, “Voir: A volumetric image reconstruction algorithm based on Fourier techniques for inversion of the 3-D Radon transform,” IEEE Trans. Image Process. 5, 121-131(1996).

[CrossRef]

D. Gottlieb, B. Gustafsson, and P. Forssen, “On the direct Fourier method for computer tomography,” IEEE Trans. Med. Imag. 19, 223-232 (2000).

S. Schaller, T. Flohr, and P. Steffen, “An efficient Fourier method for 3D Radon inversion in exact cone-beam CT reconstruction,” IEEE Trans. Med. Imag. 17, 244-250 (1998).

R. Ning, B. Chen, R. Yu, D. Conover, X. Tang, and Y. Ning, “Flat panel detector-based cone-beam volume CT angiography imaging: system evaluation,” IEEE Trans. Med. Imag. 19, 9494-963 (2000).

M. Defrise and R. Clack, “A cone-beam reconstruction algorithm using shift-variant filtering and cone-beam backprojection,” IEEE Trans. Med. Imag. 13, 186-195 (1994).

X. Wang and R. Ning, “A cone-beam reconstruction algorithm for circle-plus-arc data-acquisition geometry,” IEEE Trans. Med. Imag. 18, 815-824 (1999).

K. Mueller, R. Yagel, and J. J. Wheller, “Anti-aliased three-dimensional cone-beam reconstruction of low-contrast objects with algebraic methods,” IEEE Trans. Med. Imaging 18519-537 (1999).

R. Ning, X. Tang, D. Conover, and R. Yu, “Flat panel detector-based cone beam computed tomography with a circle-plus-two arcs data acquisition orbit: preliminary phantom study,” Med. Phys. 30, 1694-1705 (2003).

[CrossRef]

Z. Chen and R. Ning, “Pixel-pyramid model for divergent projection geometry,” Opt. Eng. 44, 027002 (2005).

G. L. Zeng, R. Clack, and G. T. Gullberg, “Implementation of Tuy's cone-beam inversion formula,” Phys. Med. Biol. 39, 493-507 (1994).

[CrossRef]

X. Tang, J. Hsieh, A. Hagiwara, R. Nilsen, J. Thibault, and E. Drapkin, “A three-dimensional weighted cone beam filtered backprojection (CB-FBP) algorithm for image reconstruction in volumetric CT under a circular source trajectory,” Phys. Med. Biol. 50, 3889-905 (2005).

[CrossRef]

C. Axelsson and P. Danielsson, “Three-dimensional reconstruction from cone-beam data in O(N3logN) time,” Phys. Med. Biol. 39, 477-491 (1994).

[CrossRef]

Z. Chen, R. Ning, Y. Yu, and D. Conover, “3D PSF characterization of circle-plus-arc cone-beam tomography,” Proc. SPIE 5745, 664-675 (2005).

Z. Chen, R. Ning, and D. Conover, “Accurate perspective projection calculation using a pixel-pyramid model for iterative cone-beam reconstruction,” Proc. SPIE 5030, 728-39 (2003).

H. K. Tuy, “An inversion formula for cone-beam reconstruction,” SIAM J. Appl. Math. 43, 546-552 (1983).

[CrossRef]

A. C. Kak and M. Slaney, *Principles of Computerized Tomographic Imaging* (IEEE, 1999).

H. Turbell, “Cone-beam reconstruction using filtered backprojection,” Ph.D. thesis (Linkoping University, 2001).

P. Grangeat, “Mathematical framework of cone beam 3D reconstruction via the first derivative of the Radon transform,” in *Mathematical Methods in Tomography*, Vol. 1497 of Lecture Notes in Mathematics, G.T.Herman, A. K. Louis, and F. Natterer, eds. (Springer-Verlag, 1991), pp. 66-97.