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

Sang Keun Woo; Hiroshi Watabe; Yong Choi; Kyeong Min Kim; Chang Choon Park; Peter M. Bloomfield; Hidehiro Iida

doi:10.1109/TNS.2004.829786

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

Sang Keun Woo, Hiroshi Watabe, Yong Choi, Kyeong Min Kim, Chang Choon Park, Peter M. Bloomfield, Hidehiro Iida

Research output: Contribution to journal › Article › peer-review

34 Citations (Scopus)

Abstract

Motion of the head during brain positron emission tomography (PET) acquisitions has been identified as a source of artifact in the reconstructed image. A number of techniques have been proposed to correct for this motion artifact, but they are unable to correct for a motion during an acquisition. The aim of this study was to develop a sinogram-based motion correction (SBMC) technique to correct directly the head motion during a PET scan using a motion tracking system and list-mode data acquisition. This method uses a rebinning procedure whereby the lines of response (LOR) are geometrically transformed according to the current values of six-dimensional motion data. A Michelogram was recomposed using the rebinned LOR, and the motion-corrected sinogram was generated. In the motion corrected image, the blurring artifact due to the motion was reduced by the SBMC technique. This technique was applied to actual PET data acquired in the list-mode, and demonstrated the potential for real-time motion correction of head movements during a PET acquisition.

Original language	English
Pages (from-to)	782-788
Number of pages	7
Journal	IEEE Transactions on Nuclear Science
Volume	51
Issue number	3 II
DOIs	https://doi.org/10.1109/TNS.2004.829786
Publication status	Published - 2004 Jun
Externally published	Yes

Keywords

Motion correction
Optical tracking system
PET
Sinogram

ASJC Scopus subject areas

Nuclear and High Energy Physics
Nuclear Energy and Engineering
Electrical and Electronic Engineering

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Sinogram-based motion correction of PET images using optical motion tracking system and list-mode data acquisition. / Woo, Sang Keun; Watabe, Hiroshi; Choi, Yong; Kim, Kyeong Min; Park, Chang Choon; Bloomfield, Peter M.; Iida, Hidehiro.

In: IEEE Transactions on Nuclear Science, Vol. 51, No. 3 II, 06.2004, p. 782-788.

Research output: Contribution to journal › Article › peer-review

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

abstract = "Motion of the head during brain positron emission tomography (PET) acquisitions has been identified as a source of artifact in the reconstructed image. A number of techniques have been proposed to correct for this motion artifact, but they are unable to correct for a motion during an acquisition. The aim of this study was to develop a sinogram-based motion correction (SBMC) technique to correct directly the head motion during a PET scan using a motion tracking system and list-mode data acquisition. This method uses a rebinning procedure whereby the lines of response (LOR) are geometrically transformed according to the current values of six-dimensional motion data. A Michelogram was recomposed using the rebinned LOR, and the motion-corrected sinogram was generated. In the motion corrected image, the blurring artifact due to the motion was reduced by the SBMC technique. This technique was applied to actual PET data acquired in the list-mode, and demonstrated the potential for real-time motion correction of head movements during a PET acquisition.",

keywords = "Motion correction, Optical tracking system, PET, Sinogram",

author = "Woo, {Sang Keun} and Hiroshi Watabe and Yong Choi and Kim, {Kyeong Min} and Park, {Chang Choon} and Bloomfield, {Peter M.} and Hidehiro Iida",

note = "Funding Information: Manuscript received January 10, 2003; revised April 2, 2004. This study was supported by the Program for Promotion of Fundamental Studies in Health Science of the Organization for Pharmaceutical Safety and Research of Japan. Copyright: Copyright 2008 Elsevier B.V., All rights reserved.",

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AU - Kim, Kyeong Min

AU - Park, Chang Choon

AU - Bloomfield, Peter M.

AU - Iida, Hidehiro

N1 - Funding Information: Manuscript received January 10, 2003; revised April 2, 2004. This study was supported by the Program for Promotion of Fundamental Studies in Health Science of the Organization for Pharmaceutical Safety and Research of Japan. Copyright: Copyright 2008 Elsevier B.V., All rights reserved.

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N2 - Motion of the head during brain positron emission tomography (PET) acquisitions has been identified as a source of artifact in the reconstructed image. A number of techniques have been proposed to correct for this motion artifact, but they are unable to correct for a motion during an acquisition. The aim of this study was to develop a sinogram-based motion correction (SBMC) technique to correct directly the head motion during a PET scan using a motion tracking system and list-mode data acquisition. This method uses a rebinning procedure whereby the lines of response (LOR) are geometrically transformed according to the current values of six-dimensional motion data. A Michelogram was recomposed using the rebinned LOR, and the motion-corrected sinogram was generated. In the motion corrected image, the blurring artifact due to the motion was reduced by the SBMC technique. This technique was applied to actual PET data acquired in the list-mode, and demonstrated the potential for real-time motion correction of head movements during a PET acquisition.

AB - Motion of the head during brain positron emission tomography (PET) acquisitions has been identified as a source of artifact in the reconstructed image. A number of techniques have been proposed to correct for this motion artifact, but they are unable to correct for a motion during an acquisition. The aim of this study was to develop a sinogram-based motion correction (SBMC) technique to correct directly the head motion during a PET scan using a motion tracking system and list-mode data acquisition. This method uses a rebinning procedure whereby the lines of response (LOR) are geometrically transformed according to the current values of six-dimensional motion data. A Michelogram was recomposed using the rebinned LOR, and the motion-corrected sinogram was generated. In the motion corrected image, the blurring artifact due to the motion was reduced by the SBMC technique. This technique was applied to actual PET data acquired in the list-mode, and demonstrated the potential for real-time motion correction of head movements during a PET acquisition.

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KW - Optical tracking system

KW - PET

KW - Sinogram

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

Abstract

Keywords

ASJC Scopus subject areas

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