Sinogram-based motion correction of PET images using optical motion tracking system and list-mode data acquisition

Author

Woo, S.-K. ; Watabe, H. ; Choi, Y. ; Kim, K.M. ; Park, C.C. ; Iida, H.

Author_Institution

Comput. & Inf. Commun. Eng. Dept., Kon-Kuk Univ., Seoul, South Korea

Volume

2

fYear

2002

fDate

10-16 Nov. 2002

Firstpage

830

Abstract

A head motion during brain imaging has been recognized as a source of image degradation and introduces distortion in positron emission tomography (PET) image. There are several techniques to correct the motion artifact, but these techniques cannot correct the motion during scanning. The aim of this study is to develop a sinogram-based motion correction (SBMC) method to correct directly the head motion during PET scanning using a motion tracking system and list-mode data acquisition. This method is a rebinning procedure by which the lines of response (LOR) are geometrically transformed according to the current values of the six-dimensional motion data. Michelogram was recomposed using rebinned LOR and motion corrected sinogram was generated. In the motion corrected image, the blurring artifact due to motion was reduced by SBMC method.

Keywords

brain; data acquisition; positron emission tomography; PET; PET images; brain imaging; head motion; image degradation; list-mode data acquisition; optical motion tracking system; positron emission tomography; sinogram-based motion correction; Brain; Data acquisition; Degradation; Head; Image recognition; Optical distortion; Optical imaging; Positron emission tomography; Stimulated emission; Tracking;

fLanguage

English

Publisher

ieee

Conference_Titel

Nuclear Science Symposium Conference Record, 2002 IEEE

Print_ISBN

0-7803-7636-6

Type

conf

DOI

10.1109/NSSMIC.2002.1239453

Filename

1239453