SPECT Reconstruction with a Non-linear Transformed Attenuation Prototype

Sven Barendt; Jan Modersitzki

doi:10.1007/978-3-642-19335-4_85

SPECT Reconstruction with a Non-linear Transformed Attenuation Prototype

Abstract

This work deals with the single photon emission computed tomography (SPECT) reconstruction process. As a SPECT measurement also depends on unknown attenuation properties of the tissue, such a process is challenging. Furthermore, the given attenuation may not be a good approximation to the true attenuation field. Reasons are repositioning or movement of the patient such as relaxation during scan time or even breathing. We propose a novel model for an attenuation correction in SPECT reconstruction, which is a natural extension of an idea of Natterer in that way, as the linear transformation of a so-called attenuation prototype is enhanced to an arbitrary transformation. We present numerical results for a non-linear spline transformation model which clearly indicate the superiority of the proposed reconstruction model compared to the case of no motion correction and the correction with a linear transformation model.

Original language	English
Title of host publication	Bildverarbeitung für die Medizin 2011
Editors	Heinz Handels, Jan Ehrhardt, Thomas M. Deserno, Hans-Peter Meinzer, Thomas Tolxdorff
Number of pages	5
Place of Publication	Berlin, Heidelberg
Publisher	Springer Berlin Heidelberg
Publication date	13.03.2011
Pages	414-418
ISBN (Print)	978-3-642-19334-7
ISBN (Electronic)	978-3-642-19335-4
DOIs	https://doi.org/10.1007/978-3-642-19335-4_85
Publication status	Published - 13.03.2011
Event	Workshops Bildverarbeitung fur die Medizin 2011 - Lübeck, Germany Duration: 20.03.2011 → 22.03.2011 Conference number: 99531

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title = "SPECT Reconstruction with a Non-linear Transformed Attenuation Prototype",

abstract = "This work deals with the single photon emission computed tomography (SPECT) reconstruction process. As a SPECT measurement also depends on unknown attenuation properties of the tissue, such a process is challenging. Furthermore, the given attenuation may not be a good approximation to the true attenuation field. Reasons are repositioning or movement of the patient such as relaxation during scan time or even breathing. We propose a novel model for an attenuation correction in SPECT reconstruction, which is a natural extension of an idea of Natterer in that way, as the linear transformation of a so-called attenuation prototype is enhanced to an arbitrary transformation. We present numerical results for a non-linear spline transformation model which clearly indicate the superiority of the proposed reconstruction model compared to the case of no motion correction and the correction with a linear transformation model.",

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Barendt, S & Modersitzki, J 2011, SPECT Reconstruction with a Non-linear Transformed Attenuation Prototype. in H Handels, J Ehrhardt, TM Deserno, H-P Meinzer & T Tolxdorff (eds), Bildverarbeitung für die Medizin 2011. Informatik aktuell, Springer Berlin Heidelberg, Berlin, Heidelberg, pp. 414-418, Workshops Bildverarbeitung fur die Medizin 2011, Lübeck, Schleswig-Holstein, Germany, 20.03.11. https://doi.org/10.1007/978-3-642-19335-4_85

SPECT Reconstruction with a Non-linear Transformed Attenuation Prototype. / Barendt, Sven; Modersitzki, Jan.
Bildverarbeitung für die Medizin 2011. ed. / Heinz Handels; Jan Ehrhardt; Thomas M. Deserno; Hans-Peter Meinzer; Thomas Tolxdorff. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. p. 414-418 (Informatik aktuell).

Research output: Chapters in Books/Reports/Conference Proceedings › Chapter › peer-review

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N2 - This work deals with the single photon emission computed tomography (SPECT) reconstruction process. As a SPECT measurement also depends on unknown attenuation properties of the tissue, such a process is challenging. Furthermore, the given attenuation may not be a good approximation to the true attenuation field. Reasons are repositioning or movement of the patient such as relaxation during scan time or even breathing. We propose a novel model for an attenuation correction in SPECT reconstruction, which is a natural extension of an idea of Natterer in that way, as the linear transformation of a so-called attenuation prototype is enhanced to an arbitrary transformation. We present numerical results for a non-linear spline transformation model which clearly indicate the superiority of the proposed reconstruction model compared to the case of no motion correction and the correction with a linear transformation model.

AB - This work deals with the single photon emission computed tomography (SPECT) reconstruction process. As a SPECT measurement also depends on unknown attenuation properties of the tissue, such a process is challenging. Furthermore, the given attenuation may not be a good approximation to the true attenuation field. Reasons are repositioning or movement of the patient such as relaxation during scan time or even breathing. We propose a novel model for an attenuation correction in SPECT reconstruction, which is a natural extension of an idea of Natterer in that way, as the linear transformation of a so-called attenuation prototype is enhanced to an arbitrary transformation. We present numerical results for a non-linear spline transformation model which clearly indicate the superiority of the proposed reconstruction model compared to the case of no motion correction and the correction with a linear transformation model.

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A2 - Deserno, Thomas M.

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T2 - Workshops Bildverarbeitung fur die Medizin 2011

Y2 - 20 March 2011 through 22 March 2011

ER -

SPECT Reconstruction with a Non-linear Transformed Attenuation Prototype

Abstract

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