Direct list mode reconstruction for motion compensation

Ronald H. Huesman; Jinyi Qi; Dimitris Samaras; Yang Wang; Liu Yang; Wei Zhang; Richard Ferrieri; Paul Vaska; David Schlyer

Direct list mode reconstruction for motion compensation

Ronald H. Huesman, Jinyi Qi, Dimitris Samaras, Yang Wang, Liu Yang, Wei Zhang, Richard Ferrieri, Paul Vaska, David Schlyer

Biomedical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

6 Scopus citations

Abstract

As resolution of PET increases, subject movement is becoming a significant factor that limits image quality. It is important to develop image reconstruction methods that can compensate motion. The basic approach that we have taken in this work is to use video cameras to track the subject movement and to use this information in reconstruction algorithms. We have developed a direct list-mode reconstruction algorithm that incorporates the subject motion information in the likelihood function. The method can accurately compensate measured motion and it does not require interpolation of either measured events or reconstructed images. We applied the method to experimental data from a phantom in a microPET scanner.

Original language	English (US)
Title of host publication	IEEE Nuclear Science Symposium Conference Record
Editors	J.A. Seibert
Pages	3953-3955
Number of pages	3
Volume	6
State	Published - 2004
Event	2004 Nuclear Science Symposium, Medical Imaging Conference, Symposium on Nuclear Power Systems and the 14th International Workshop on Room Temperature Semiconductor X- and Gamma- Ray Detectors - Rome, Italy Duration: Oct 16 2004 → Oct 22 2004

Other

Other	2004 Nuclear Science Symposium, Medical Imaging Conference, Symposium on Nuclear Power Systems and the 14th International Workshop on Room Temperature Semiconductor X- and Gamma- Ray Detectors
Country	Italy
City	Rome
Period	10/16/04 → 10/22/04

ASJC Scopus subject areas

Computer Vision and Pattern Recognition
Industrial and Manufacturing Engineering

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Huesman, R. H., Qi, J., Samaras, D., Wang, Y., Yang, L., Zhang, W., Ferrieri, R., Vaska, P., & Schlyer, D. (2004). Direct list mode reconstruction for motion compensation. In J. A. Seibert (Ed.), IEEE Nuclear Science Symposium Conference Record (Vol. 6, pp. 3953-3955). [M10-192]

Direct list mode reconstruction for motion compensation. / Huesman, Ronald H.; Qi, Jinyi; Samaras, Dimitris; Wang, Yang; Yang, Liu; Zhang, Wei; Ferrieri, Richard; Vaska, Paul; Schlyer, David.

IEEE Nuclear Science Symposium Conference Record. ed. / J.A. Seibert. Vol. 6 2004. p. 3953-3955 M10-192.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Huesman, RH, Qi, J, Samaras, D, Wang, Y, Yang, L, Zhang, W, Ferrieri, R, Vaska, P & Schlyer, D 2004, Direct list mode reconstruction for motion compensation. in JA Seibert (ed.), IEEE Nuclear Science Symposium Conference Record. vol. 6, M10-192, pp. 3953-3955, 2004 Nuclear Science Symposium, Medical Imaging Conference, Symposium on Nuclear Power Systems and the 14th International Workshop on Room Temperature Semiconductor X- and Gamma- Ray Detectors, Rome, Italy, 10/16/04.

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AU - Samaras, Dimitris

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AU - Yang, Liu

AU - Zhang, Wei

AU - Ferrieri, Richard

AU - Vaska, Paul

AU - Schlyer, David

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AB - As resolution of PET increases, subject movement is becoming a significant factor that limits image quality. It is important to develop image reconstruction methods that can compensate motion. The basic approach that we have taken in this work is to use video cameras to track the subject movement and to use this information in reconstruction algorithms. We have developed a direct list-mode reconstruction algorithm that incorporates the subject motion information in the likelihood function. The method can accurately compensate measured motion and it does not require interpolation of either measured events or reconstructed images. We applied the method to experimental data from a phantom in a microPET scanner.

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