Title:
Image reconstruction including shift variant dotage compensation
Document Type and Number:
Japanese Patent JP6144912
Kind Code:
B2
Abstract:
An image reconstruction method comprises reconstructing an image using an iterative reconstruction method and computing a projection used in the reconstructing by summing ray increments between neighboring planes (P0, P1, P2, . . . ) parallel with a detector face (42) with stationary incremental blurring associated with each ray increment computed based on a distance between the neighboring parallel planes. A non-stationary blurring kernel may also be convolved at a plane closest to the detector face to generate a projection incorporating shift-variant blurring.
Inventors:
King Michael A
Mitra Mukherje Joeta
Xiao Lin Zhong
Song Siyun
One Zeon
Mitra Mukherje Joeta
Xiao Lin Zhong
Song Siyun
One Zeon
Application Number:
JP2012520123A
Publication Date:
June 07, 2017
Filing Date:
June 15, 2010
Export Citation:
Assignee:
KONINKLIJKE PHILIPS N.V.
International Classes:
G01T1/161; A61B6/03; G06T1/00
Domestic Patent References:
| JP2008530517A | ||||
| JP2005518892A |
Foreign References:
| US20080166063 | ||||
| US20060101106 |
Other References:
Jinyi Qi et al., High-resolution 3D Bayesian image reconstruction using the microPET small-animal scanner, Physics in Medicine and Biology, IOP Publishing, 1998, Vol.43, Issue.4, pp.1001-1013
Zeng, G.L. et al., A projector/backprojector with slice-to-slice blurring for efficient three-dimensional scatter modeling, Medical Imaging, IEEE Transactions on 1999, Vol.18, No.8, pp.722-732
Lalush, D.S. et al., A linear shift-variant model for local point response in circular-orbit cone-beam iterative reconstruction, Nuclear Science Symposium, IEEE, 1997, Vol.2, 1997, pp.1659-1663
Sanghee Cho et al., Fast projectors for iterative 3D PET reconstruction,Nuclear Science Symposium Conference Record, IEEE,2005,Vol.4,pp.1933-1937
Defrise, M. et al., A cone-beam reconstruction algorithm using shift-variant filtering and cone-beam backprojection,Medical Imaging, IEEE Transactions on,1994,Vol.13, No.1,pp.186-195
Yamaya, T. et al., Fast algebraic reconstruction using subsets of PET data,Nuclear Science Symposium, 1999. Conference Record. IEEE,1999,Vol.3,pp.1137-1141
Fessler, J.A. et al., Conjugate-gradient preconditioning methods for shift-variant PET image reconstruction,Image Processing, IEEE Transactions on, 1999,Vol.8, No.5,pp.688-699
Zeng, G.L. et al., A projector/backprojector with slice-to-slice blurring for efficient three-dimensional scatter modeling, Medical Imaging, IEEE Transactions on 1999, Vol.18, No.8, pp.722-732
Lalush, D.S. et al., A linear shift-variant model for local point response in circular-orbit cone-beam iterative reconstruction, Nuclear Science Symposium, IEEE, 1997, Vol.2, 1997, pp.1659-1663
Sanghee Cho et al., Fast projectors for iterative 3D PET reconstruction,Nuclear Science Symposium Conference Record, IEEE,2005,Vol.4,pp.1933-1937
Defrise, M. et al., A cone-beam reconstruction algorithm using shift-variant filtering and cone-beam backprojection,Medical Imaging, IEEE Transactions on,1994,Vol.13, No.1,pp.186-195
Yamaya, T. et al., Fast algebraic reconstruction using subsets of PET data,Nuclear Science Symposium, 1999. Conference Record. IEEE,1999,Vol.3,pp.1137-1141
Fessler, J.A. et al., Conjugate-gradient preconditioning methods for shift-variant PET image reconstruction,Image Processing, IEEE Transactions on, 1999,Vol.8, No.5,pp.688-699
Attorney, Agent or Firm:
Fueda Shusen
Takahiro Igarashi
Takahiro Igarashi